Heat exchanger design

libya81 · April 14, 2012, 01:15

Hi there,
My project is to design two pipes one in side the other. I have drawed 4 skeches, one for the inner pipe, one for the inner pipe's wall, one for the outer pipe, and the last one for the outer pipe's wall. After that, I have created a surfaces for each one. Finally I have cut the first sketch by using a Boolean option and then subtract.
Do you guys think I am on the right track, or I have to create the fifth sketch, or I am totally designing a wrong geometry.
Best
Thanks in advance

Sixkillers · April 14, 2012, 10:03

Hi!

I am not sure if it is precisely what you want, but the following tutorial you might find useful.

Andrea1984 · April 16, 2012, 05:59

Hi,

I think the best way is first to create a volume which includes all your geometry (namely a cylinder of the same size of your outer pipe) and then splitting it using internal surfaces (to create all the internal domains you need).
I find out this is the best way to make fluent recognize well the interface surfaces between the different volumes.

Hope this can help

tanglei · April 18, 2012, 04:39

hi
I think your operation is ok,

April 14, 2012, 01:15	Heat exchanger design	#1
libya81 New Member Join Date: Apr 2012 Posts: 24 Rep Power: 14	Hi there, My project is to design two pipes one in side the other. I have drawed 4 skeches, one for the inner pipe, one for the inner pipe's wall, one for the outer pipe, and the last one for the outer pipe's wall. After that, I have created a surfaces for each one. Finally I have cut the first sketch by using a Boolean option and then subtract. Do you guys think I am on the right track, or I have to create the fifth sketch, or I am totally designing a wrong geometry. Best Thanks in advance

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April 14, 2012, 10:03		#2
Sixkillers Member Join Date: Nov 2011 Location: Czech Republic Posts: 97 Rep Power: 14	Hi! I am not sure if it is precisely what you want, but the following tutorial you might find useful.

April 16, 2012, 05:59		#3
Andrea1984 Senior Member Andrea Join Date: Feb 2012 Location: Leeds, UK Posts: 179 Rep Power: 16	Hi, I think the best way is first to create a volume which includes all your geometry (namely a cylinder of the same size of your outer pipe) and then splitting it using internal surfaces (to create all the internal domains you need). I find out this is the best way to make fluent recognize well the interface surfaces between the different volumes. Hope this can help

April 18, 2012, 04:39		#4
tanglei New Member 唐磊 Join Date: Apr 2012 Location: China Posts: 8 Rep Power: 0	hi I think your operation is ok,