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Old   March 15, 2017, 08:52
Unhappy Jet Impingement Heat Transfer
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Robin Kumar Thapa
Join Date: Feb 2017
Location: Dehradun, India
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Hello everyone,
I am doing a jet impingement problem using V2F Turbulence Model. Its been 2 week since I started this problem but still I am not able to get correct result. For validation I got correct results but for main case I am not getting maximum Nu number at stagnation point. In my results it comes max at r/D=0.50 .
Problem Description:
D=0.05 m
H/D=2 & R/D=6
Axis symmetry problem.
Inlet velocity & Temperature : 10 m/s , 2273 K
T.I And T.L.S at inlet= 5% & 3.5mm
Plate Wall at Constant temperature : 673 K
Pressure Inlet : 180 Bar , 2273 K
Pressure Outlet : 180 Bar , 2273 K
This problem is to simulate combustion inside large 2 stroke marine diesel engine.

Please help..
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File Type: jpg geom.JPG (35.9 KB, 16 views)
File Type: jpg Nu.JPG (23.1 KB, 18 views)
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jet impingement, nusselt, stagnation point, v2f boundary conditions, v2f model

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