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Constant Prandtl Number with Sutherland Transport |
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#1 |
Member
Josh Kelly
Join Date: Dec 2018
Posts: 41
Rep Power: 8 ![]() |
Hi,
Is it possible to set a constant Prandtl number alongside the Sutherland transport model? From my results so far it appears Pr=1 (approx) but I want Pr = 0.71 throughout the flow, how do I do this? I am using the rhoCentralFoam and my test case is supersonic flow over a flat plate. Thanks in advance |
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#2 |
Senior Member
Gerhard Holzinger
Join Date: Feb 2012
Location: Austria
Posts: 342
Rep Power: 28 ![]() ![]() |
Most probably not.
When you select Sutherland for the transport model, you specify how OpenFOAM calculates the dynamic viscosity and the thermal conductivity. This leaves you with no remaining independent quantities. Hence, the Prandtl number is already fixed. The screenshots attached to this post, were taken from my "manual", which can be found here |
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#3 | |
Member
Himanshu
Join Date: Jan 2017
Posts: 34
Rep Power: 10 ![]() |
Quote:
you mean to say that we don't need to give prandtl number if we give viscosity as Sutherland? |
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#4 |
Member
Himanshu
Join Date: Jan 2017
Posts: 34
Rep Power: 10 ![]() |
Ya...I got the answer. We don't have to mentioned it.
Thanks |
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Tags |
openfoam, prandtl number, rhocentralfoam, sutherland, transport model |
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