UFR 1-06 Best Practice Advice

Front Page

Description

Test Case Studies

Evaluation

Best Practice Advice

References

Axisymmetric buoyant far-field plume in a quiescent unstratified environment

Underlying Flow Regime 1-06

Best Practice Advice

Best Practice Advice for the UFR

Key Physics

The key physics to be captured in this UFR is the self-similar behaviour of a spreading axisymmetric buoyant plume.

Numerical Modelling Issues

• The flow can be treated as axisymmetric.
• For a grid-independent resolution of the George et al. [3] plume, at least (40 × 100) grid nodes should be used in the (radial × axial) directions. At least 10 nodes should be used radially to resolve the plume source.
• Discretization schemes should be at least second-order accurate.
• For further advice on boundary conditions, see Test Case

Recommendations for further work

Front Page

Description

Test Case Studies

Evaluation

Best Practice Advice

References

Contributed by: Simon Gant — Lea Associates

© copyright ERCOFTAC 2010