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Re: heat exchanger
Re: heat exchanger -- abos	Post Reply	Top of thread	Forum

Posted by: devitg ® 09/02/2005, 15:08:50 Author Profile Mail author Edit

which gas? it's pressure? initial temp? end temp? flow? which fluid to carry out the heat?

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Re: heat exchanger
Re: Re: heat exchanger -- devitg	Post Reply	Top of thread	Forum

Posted by: abos ® 09/03/2005, 09:50:24 Author Profile Mail author Edit

air entering at 300K to be heated to 350K at 75psig ..heated by water. Thanks!

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Re: heat exchanger
Re: Re: heat exchanger -- abos	Post Reply	Top of thread	Forum

Posted by: devitg ® 09/03/2005, 16:10:14 Author Profile Mail author Edit

how about the flow ????

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Re: heat exchanger
Re: Re: heat exchanger -- devitg	Post Reply	Top of thread	Forum

Posted by: darchi ® 09/06/2005, 11:39:14 Author Profile Mail author Edit

Hi all, Added to above, depending on the velocity of the flow, calculate Reynold number.Then calculate the Nussle number using the proper co-relation from the data book. Findout h and then U- overall heat transfer co-efficient. Finally getting Q from Q = U*A*dt Regards darchi

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