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[qwerasdf1]

hi friends, I am going to program a double pipe heat exchanger designer software and I need to every detail on heat transfer and mechanical design considerations. 
I've read some on double pipe heat exchanger on net like this double pipe heat exchanger guide but i need a complete source if exists, I would appreciate if you could introduce some sources to me. 

thanks in advance. 

[Art Montemayor]

Do you mean to state that you are planning on WRITING a computer program to design double pipe heat exchangers and your background in heat transfer knowledge is that you have read an article on the internet?

 

Good luck.  You will certainly need a lot of more knowledge than what you read in articles.  Are you a Chemical or Mechanical Engineering student?  Have you taken at least two courses in process heat transfer and fluid mechanics?  If not, you're in for a lot of frustration in trying to produce a workable and credible computer program.  My intent here is not to disillusion or to negatively criticize what you propose.  On the contrary.  I wish all engineering students would confront such a challenge.  However, process heat transfer is not composed of formulas or cook book recipes that produce solutions simply by your applying them.  You have to know WHICH, WHEN, and WHY you apply certain principles and equations.  The equations, by themselves, are useless without the logic and reasoning that leads up to their employment.  And to obtain the logic and reasoning, you have to know the ins and outs of process heat transfer - starting with the very basics and leading up to the most complex.

 

As a typical, basic and classical source for how to design a double pipe heat exchanger I would recommend you read Donald Kern's famous text book on the subject:  Process Heat Transfer, McGraw-Hill publishers (1950).  You can probably find a copy in your technical library or buy it through the Amazon internet bookstore.