https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&feed=atom&action=history Description AC6-15 - Revision history 2024-03-29T05:51:30Z Revision history for this page on the wiki MediaWiki 1.39.2 https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36599&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2019-03-12T11:35:05Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:35, 12 March 2019</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l47">Line 47:</td> <td colspan="2" class="diff-lineno">Line 47:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ACContribs</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>{{ACContribs</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>|authors=A. Minakov [1,2], D. Platonov [1,2], I. Litvinov [<del style="font-weight: bold; text-decoration: none;">2</del>], S. Shtork [<del style="font-weight: bold; text-decoration: none;">2</del>], K. Hanjalić [3]</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>|authors=A. Minakov [1,2], D. Platonov [1,2], I. Litvinov [<ins style="font-weight: bold; text-decoration: none;">1</ins>], S. Shtork [<ins style="font-weight: bold; text-decoration: none;">1</ins>], K. Hanjalić [3]</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|organisation=</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|organisation=</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;p style=&quot;text-indent: 40px&quot;&gt;[1] Institute of Thermophysics SB RAS, Novosibirsk, Russia,&lt;/p&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;p style=&quot;text-indent: 40px&quot;&gt;[1] Institute of Thermophysics SB RAS, Novosibirsk, Russia,&lt;/p&gt;</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36584&oldid=prev Dave.Ellacott: Dave.Ellacott moved page Lib:Description AC6-15 to Description AC6-15 over redirect 2019-02-25T12:10:16Z <p>Dave.Ellacott moved page <a href="/w/index.php/Lib:Description_AC6-15" class="mw-redirect" title="Lib:Description AC6-15">Lib:Description AC6-15</a> to <a href="/w/index.php/Description_AC6-15" title="Description AC6-15">Description AC6-15</a> over redirect</p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <tr class="diff-title" lang="en"> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="1" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 12:10, 25 February 2019</td> </tr><tr><td colspan="2" class="diff-notice" lang="en"><div class="mw-diff-empty">(No difference)</div> </td></tr></table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36529&oldid=prev Dave.Ellacott: /* Flow Configuration */ 2019-01-24T17:18:03Z <p><span dir="auto"><span class="autocomment">Flow Configuration</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 17:18, 24 January 2019</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l27">Line 27:</td> <td colspan="2" class="diff-lineno">Line 27:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><br/></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Configuration==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Configuration==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The flow configuration considered (see [[Description_AC6-15#figure1|Fig. 1]]) is a 60:1 scaled-down laboratory model mimicking the draft tube of a Kaplan turbine, operating at a low load. The laboratory turbine actually does not look precisely like the typical Kaplan turbine, but nevertheless it was designed to generate the same flow conditions and featuring similar flow pattern in the <del style="font-weight: bold; text-decoration: none;">daft </del>tube as in a full-scale double regulated axial turbine. Namely, as demonstrated in [[Best_Practice_Advice_AC6-15#2|Bosioc&amp;nbsp;''et&amp;nbsp;al.''&amp;nbsp;(2009)]], [[Best_Practice_Advice_AC6-15#3|Chen&amp;nbsp;''et&amp;nbsp;al.''&amp;nbsp;(2010)]],</div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The flow configuration considered (see [[Description_AC6-15#figure1|Fig. 1]]) is a 60:1 scaled-down laboratory model mimicking the draft tube of a Kaplan turbine, operating at a low load. The laboratory turbine actually does not look precisely like the typical Kaplan turbine, but nevertheless it was designed to generate the same flow conditions and featuring similar flow pattern in the <ins style="font-weight: bold; text-decoration: none;">draft </ins>tube as in a full-scale double regulated axial turbine. Namely, as demonstrated in [[Best_Practice_Advice_AC6-15#2|Bosioc&amp;nbsp;''et&amp;nbsp;al.''&amp;nbsp;(2009)]], [[Best_Practice_Advice_AC6-15#3|Chen&amp;nbsp;''et&amp;nbsp;al.''&amp;nbsp;(2010)]],</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Best_Practice_Advice_AC6-15#14|Susan-Resiga&amp;nbsp;(2008)]], the conditions in a real turbine set-up could be achieved in an experiment without having to replicate precisely the full geometry of the complete real turbine system (spiral chamber, stay vanes and guide vanes, rotor). What matters for studying the draft tube flow dynamics is the inflow velocity and turbulence field distribution after a real turbine entering the draft tube. These have been created using a set of two rows of blades ([[Description_AC6-15#figure1|Fig. 1]]), designed to generate the draft tube inlet conditions that correspond to a real Kaplan turbine</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>[[Best_Practice_Advice_AC6-15#14|Susan-Resiga&amp;nbsp;(2008)]], the conditions in a real turbine set-up could be achieved in an experiment without having to replicate precisely the full geometry of the complete real turbine system (spiral chamber, stay vanes and guide vanes, rotor). What matters for studying the draft tube flow dynamics is the inflow velocity and turbulence field distribution after a real turbine entering the draft tube. These have been created using a set of two rows of blades ([[Description_AC6-15#figure1|Fig. 1]]), designed to generate the draft tube inlet conditions that correspond to a real Kaplan turbine</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>([[Best_Practice_Advice_AC6-15#4|Kuibin, Litvinov, Sonin, Ustimenko, &amp; Shtork,&amp;nbsp;2016]]). To this effect one of the rows was set still, functioning as a guide vane of the turbine (with a uniform fluid inflow at a volumetric flowrate &lt;math&gt;{\mathcal{Q}}&lt;/math&gt;).</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>([[Best_Practice_Advice_AC6-15#4|Kuibin, Litvinov, Sonin, Ustimenko, &amp; Shtork,&amp;nbsp;2016]]). To this effect one of the rows was set still, functioning as a guide vane of the turbine (with a uniform fluid inflow at a volumetric flowrate &lt;math&gt;{\mathcal{Q}}&lt;/math&gt;).</div></td></tr> <tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l41">Line 41:</td> <td colspan="2" class="diff-lineno">Line 41:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|align=&quot;left&quot; colspan=&quot;2&quot;|'''Figure 1:''' A photo of the experimental setup (a), and a sketch of the test section (b)</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|align=&quot;left&quot; colspan=&quot;2&quot;|'''Figure 1:''' A photo of the experimental setup (a), and a sketch of the test section (b)</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, &lt;math&gt;{n_s=nP^{1/2}/H^{5/4}}&lt;/math&gt;, of about 350, and the swirl intensity &lt;math&gt;{S=W_{max}/U_{max}}&lt;/math&gt;&amp;nbsp;=&amp;nbsp;0.78.  </div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, &lt;math&gt;{n_s=nP^{1/2}/H^{5/4}}&lt;/math&gt;, of about 350, and the swirl intensity &lt;math&gt;{S=W_{max}/U_{max}}&lt;/math&gt;&amp;nbsp;=&amp;nbsp;0.78.  </div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36451&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2019-01-22T14:32:08Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 14:32, 22 January 2019</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l56">Line 56:</td> <td colspan="2" class="diff-lineno">Line 56:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|number=15</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|number=15</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>}}</div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;"></ins></div></td></tr> <tr><td colspan="2" class="diff-side-deleted"></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div><ins style="font-weight: bold; text-decoration: none;">© copyright ERCOFTAC 2019</ins></div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36273&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:25:48Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:25, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, &lt;math&gt;{n_s=nP^{1/2}/H^{5/4}}&lt;/math&gt;, of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, &lt;math&gt;{n_s=nP^{1/2}/H^{5/4}}&lt;/math&gt;, of about 350, and the swirl intensity <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{S=W_{max}/U_{max}}&lt;/math&gt;&amp;nbsp;=&amp;nbsp;0.78</ins>.  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36272&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:25:10Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:25, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was ''H''=1.67 m and the rotating speed 2273&amp;nbsp;min&lt;sup&gt;-1&lt;/sup&gt;, yielding the other two basic non-dimensional design parameters, the specific speed, <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{n_s=nP^{1/2}/H^{5/4}}&lt;/math&gt;</ins>, of about 350, and the swirl intensity .  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36271&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:24:14Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:24, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D=100}&lt;/math&gt;mm the inlet draft-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was <ins style="font-weight: bold; text-decoration: none;">''</ins>H<ins style="font-weight: bold; text-decoration: none;">''</ins>=1.67 m and the rotating speed 2273<ins style="font-weight: bold; text-decoration: none;">&amp;nbsp;</ins>min<ins style="font-weight: bold; text-decoration: none;">&lt;sup&gt;</ins>-1<ins style="font-weight: bold; text-decoration: none;">&lt;/sup&gt;</ins>, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36270&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:23:09Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:23, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D}&lt;/math&gt;<del style="font-weight: bold; text-decoration: none;">=100mm </del>the inlet <del style="font-weight: bold; text-decoration: none;">daft</del>-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  &lt;math&gt;{D<ins style="font-weight: bold; text-decoration: none;">=100</ins>}&lt;/math&gt;<ins style="font-weight: bold; text-decoration: none;">mm </ins>the inlet <ins style="font-weight: bold; text-decoration: none;">draft</ins>-tube diameter, and  &lt;math&gt;{\mu}&lt;/math&gt; is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36269&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:22:38Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:22, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  <del style="font-weight: bold; text-decoration: none;">''</del>D<del style="font-weight: bold; text-decoration: none;">''</del>=100mm the inlet daft-tube diameter, and  is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  &lt;math&gt;{\rho}&lt;/math&gt; denotes fluid (air) density,  &lt;math&gt;{U_{av}}&lt;/math&gt;is the average fluid velocity,  <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{</ins>D<ins style="font-weight: bold; text-decoration: none;">}&lt;/math&gt;</ins>=100mm the inlet daft-tube diameter, and  <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{\mu}&lt;/math&gt; </ins>is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott https://kbwiki.ercoftac.org/w/index.php?title=Description_AC6-15&diff=36268&oldid=prev Dave.Ellacott: /* Flow Physics and Fluid Dynamics Data */ 2018-11-27T11:21:41Z <p><span dir="auto"><span class="autocomment">Flow Physics and Fluid Dynamics Data</span></span></p> <table style="background-color: #fff; color: #202122;" data-mw="interface"> <col class="diff-marker" /> <col class="diff-content" /> <col class="diff-marker" /> <col class="diff-content" /> <tr class="diff-title" lang="en"> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">← Older revision</td> <td colspan="2" style="background-color: #fff; color: #202122; text-align: center;">Revision as of 11:21, 27 November 2018</td> </tr><tr><td colspan="2" class="diff-lineno" id="mw-diff-left-l42">Line 42:</td> <td colspan="2" class="diff-lineno">Line 42:</td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>|}</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>==Flow Physics and Fluid Dynamics Data==</div></td></tr> <tr><td class="diff-marker" data-marker="−"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #ffe49c; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  denotes fluid (air) density,  is the average fluid velocity,  the inlet daft-tube diameter, and  is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td><td class="diff-marker" data-marker="+"></td><td style="color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #a3d3ff; vertical-align: top; white-space: pre-wrap;"><div>The considered volumetric flowrate of 19&amp;nbsp;l/s was about 39% of the nominal capacity of 68.4&amp;nbsp;m&lt;sup&gt;3&lt;/sup&gt;/h, corresponding to Re=29.000, defined as &lt;math&gt;{Re=U_{av}D/\mu}&lt;/math&gt;, where  <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{\rho}&lt;/math&gt; </ins>denotes fluid (air) density,  <ins style="font-weight: bold; text-decoration: none;">&lt;math&gt;{U_{av}}&lt;/math&gt;</ins>is the average fluid velocity,  <ins style="font-weight: bold; text-decoration: none;">''D''=100mm </ins>the inlet daft-tube diameter, and  is the dynamic viscosity. The operating head was H=1.67 m and the rotating speed 2273 min-1, yielding the other two basic non-dimensional design parameters, the specific speed, , of about 350, and the swirl intensity .  </div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>&lt;br/&gt;</div></td></tr> <tr><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td><td class="diff-marker"></td><td style="background-color: #f8f9fa; color: #202122; font-size: 88%; border-style: solid; border-width: 1px 1px 1px 4px; border-radius: 0.33em; border-color: #eaecf0; vertical-align: top; white-space: pre-wrap;"><div>----</div></td></tr> </table> Dave.Ellacott