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external cross flow problem

Question asked by Emre Kavlak on Apr 12, 2014
Latest reply on Apr 15, 2014 by Kyu-Hyung Kim

I'd like to simulate a tube which  has a  water mass flow rate 0.21 kg/s and inlet temp is 340K.  also there is a cross flow  air over the tube externaly whose temp initialy is 288 K  and velocity 20m/s. Thus I wanna see the fluid temp distribution thorugh the tube but i cant simulute that. I choose external flow analys and insert fluid subdomain as water in tube. also specify the tube material as aliminum. after i calculated i get the uniform 340K temp inside the tube. Pls can u help me about this ?