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From: Torsten Hennig on 23 Mar 2010 06:29 > > That modicfication made my answer a lot more > reasonable. Thank you. My last question is this: the > units for all of the terms are in W/m^3 except for > the last term of h(Text-T) which has units of W/m^2. > Do I need to divide by the plate thickness for this > term as well to get the correct units? > > Thank you so much for your help, > Meagan Hi Meagan, if the plate is cooled from both sides, you have to replace h*(Text-T) by 2/(thickness of the plate)*h*(Text-T) ; if it is cooled only from one side, you have to replace h*(Text-T) by 1/(thickness of the plate)*h*(Text-T) ; if it is cooled differently from up and down, you have to replace h*(Text-T) by (h_up*(Text_up-T) + h_down*(Text_down-T))/ (thickness of the plate). Best wishes Torsten. |