shell and tube heat exchanger design

[lynark]

Hi,

Is there a rule of thumb in designing a shell and tube condenser? if non how do you have any links to provide so i can study the design. Because my boss only taught me his rule of thumb with really explaining how he do it. And when i select the design i just based it on the manufacturer catalog.


thank you

lynark

[NoNickName]

Well, you need to know surface, LDTM, specific heats of fluids, bla bla bla... are you a manufacturer of s&t condensers?

[lynark]

Well, you need to know surface, LDTM, specific heats of fluids, bla bla bla... are you a manufacturer of s&t condensers?

Hi NNN,

More of a local fabricator. We fabricate our own shell and tube condenser for the refrigeration system. So I want to know how they compute it, because right they are using a standard selection. I mean for example 89TR capacity, they will use 6 pass of 26" x 18' because of the sqft surface area. I don't know if its correct or what are the computation behind it.

[NoNickName]

One hell of a condenser!
You could use coolpack and calculate the heat transfer of each pipe individually.

[nike123]

This is cheap software:
http://www.freedownloadscenter.com/B...er_Design.html

This one is expensive:
http://www.lv-soft.com/software/fach...ngers.wts..htm

[lynark]

One hell of a condenser!
You could use coolpack and calculate the heat transfer of each pipe individually.

hi NNN,

Well i don't know if its really that big. Can you help me in using the coolpack? What are the details you need? by the way our system is ammonia with open type compressor.

[lynark]

This is cheap software:
http://www.freedownloadscenter.com/B...er_Design.html

This one is expensive:
http://www.lv-soft.com/software/fach...ngers.wts..htm

Hi Nike,

i'll try to use first the cheap one