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Input Boundary Condition Changed when converged |
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June 3, 2011, 23:41 |
Input Boundary Condition Changed when converged
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New Member
Join Date: Jun 2011
Posts: 4
Rep Power: 14 |
hi, im performing a simulation of double pipe heat exchanger...
the boundary conditions being inlet temperatures and inlet mass flow rates, and outlet pressure as the iteration was completed and i checked the values of area weighted static temperature at inlet and outlet, the inlet values were found to be cghanged by some decimals than what i gave. why is this happening and how can i control this? also the mass flow rate being constant isnt it that we should get same velocity at both inlet and outlet side? here the value of velocity at outlet of inner tube also changed by some decimals...how can i control this and maintain the same velocity?? please help..... Thanking in advance |
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