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Hello, I may have to put together a air cooling system. One option is to blow air on a finned tube like an evaporator. My question is what if I do not have enough heat in the air to evaporate all the refrigerent? How is this done in standard a/c applications? Are there heaters or expansion...

Thanks All, I am not a process engineer. You mention about spread sheet calculations. Are there any available on the web that would do something like this. Thanks

Thanks Pmover. This is not a homework problem. I work in industry. If I know the final temperature then ofcourse I know the final mass. So I know how much mass has left the tank. How do I know how much time it took ? Let us say the outside pressure is atmospheric. I would appreciate if you could...

Hello All, I have a thermodynamic question. If you have steam at 365 F, 150 psi gage, total volume 2.3434 ft3. There are two vales on the tank 2" diameter pipe. I want to know how long it will take for the pressure to drop to 10 psi gage if the vales are opened. I really need a procedure...

Hi, Does anyone know what is a 'Grass Shield Cuve" in reference to catalytic converters and how it is used ? Thanks ..Satish

Hi, I am looking for thermal expansion coefficient for 409 grade steel. The reference tempearature room and around 447 C. Thanks

Hi, I want to know whether anyone has any idea of underbody air temperatures under a car. I am trying to design a heat shield to go over the exhaust pipe whose temp is about 570 degrees celcius. Any idea of heat transter coefiiciens in worst case( idling) Thanks