UFR 3-36 Evaluation: Difference between revisions
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!align="center" colspan="2"|Figure 3: Skin friction and pressure coefficient on the body wall. Solid line: uDNS, dashed line: SSGLRR-<math>\omega</math>, dashed-dotted line: k-<math>\omega</math> | !align="center" colspan="2"|Figure 3: Skin friction and pressure coefficient on the body wall. Solid line: uDNS, dashed line: SSGLRR-<math>\omega</math>, dashed-dotted line: k-<math>\omega</math> | ||
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Non-dimensional quantities: | |||
*Pressure coefficient: <math>{c_p = 2(p - p_{\infty} / (\rho_{\infty} U_{\infty}^2))}</math> | |||
*Skin-friction coefficient: <math>{c_f = 2 \tau_w / (\rho_{\infty} U_{\infty}^2))}</math> | |||
with the wall pressure <math> p </math>, the freestream pressure <math>p_\infty</math>, the freestream density <math>\rho_\infty</math>, the freestream velocity <math>U_\infty</math> and the wall shear stress <math>\tau_w</math>. | |||
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Revision as of 09:30, 8 November 2022
HiFi-TURB-DLR rounded step
Semi-confined flows
Underlying Flow Regime 3-36
Evaluation
Comparison of uDNS results with RANS results
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| Figure 3: Skin friction and pressure coefficient on the body wall. Solid line: uDNS, dashed line: SSGLRR-, dashed-dotted line: k- | |
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Non-dimensional quantities:
- Pressure coefficient:
- Skin-friction coefficient:
with the wall pressure , the freestream pressure , the freestream density , the freestream velocity and the wall shear stress .
Contributed by: Erij Alaya and Cornelia Grabe — Deutsches Luft-und Raumfahrt Zentrum (DLR)
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