|June 6, 2010, 18:02||
I have a problem with the sign of mass flow rate Enthalpy
Join Date: Oct 2009
Posts: 38Rep Power: 8
I put some Lines (from the menu 'surface-line') on my model in order to monitor the enthalpy flow rate. I use the flow rate integral which is
integral of rho*h*u.dA
the absolute values are OK but the sign is negative when it must be positive. I think this has got something to do with the inner product of u.dA.
Does anybody know how I should define the monitor line in order to get positive enthalpy flow rates?
By the way, if I use 'surface-rake' instead of 'surface-line', what will happen?
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