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April 24, 2012, 12:13
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turbulence in air inside solar cooker?
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#1 |
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Member
Vaibhav Rai Khare
Join Date: Jul 2011
Location: Jaipur
Posts: 37
Rep Power: 14  |
i am validating the result through FLUENT of solar cooker and now stuck in a problem.in solar cooker, the inside air tends to turbulence flow?? as there is no flow of inside air so what model should be used in that case?
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April 24, 2012, 12:22
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#2 | |
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Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,672
Rep Power: 65 |
Quote:
I think you meant that there is no forced convective flows, there can still be free/natural convection (and this can be turbulent). Is this the case? |
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April 24, 2012, 12:27
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#3 |
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Member
Vaibhav Rai Khare
Join Date: Jul 2011
Location: Jaipur
Posts: 37
Rep Power: 14 |
yeah..this is what i want to say??? so it should be turbulent or what???
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April 24, 2012, 12:37
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#4 | |
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Senior Member
Lucky
Join Date: Apr 2011
Location: Orlando, FL USA
Posts: 5,672
Rep Power: 65 |
Quote:
Did you not do the estimation to show that the boundary layer tends to the turbulent regime? What's your Rayleigh number? Also, it sounds like you have already run the simulation once. So you ran it with laminar or what model? |
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