Thermo Instrument
Prediction of wall shear stress for a lobed pump
Heat Transfer, Phase Change & Radiation
• A new solar load model has been implemented in FLUENT 6.2. The
solar load model allows the radiant energy transport between the sun
and a wall surface to be solved, based on the intensity and position of
the sun. This model is important for automotive and building climate
control applications.
• For the discrete ordinates (DO) model, a second order discretization
option is now available for obtaining more accurate results,
particularly for cases with high optical thickness. A UDF can be used
to customize the absorption coefficient for each band with the graybanded DO model. Several improvements have also been made to the
surface-to-surface radiation model, including the ability to specify the
number of faces per surface cluster for different boundaries, allowing
fine clustering to be used only where it is needed. The result is a more
accurate solution without the memory penalty associated with using
fine clustering everywhere.
• A wet steam model has been implemented in FLUENT 6.2. Two-phase
flow in steam turbine applications is one area that will benefit. Cases
with shell conduction no longer require encapsulation in parallel; this
significantly improves calculation efficiency. Several enhancements
have also been made to both the cavitation and heat exchanger models
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