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Heat Exchanger Rating

hairpin heat exchanger rating hysys overall heat transfer coeffi area baffle

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#1 OzChemE


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Posted 13 June 2020 - 11:49 AM

I'm using HYSYS to evaluate an existing hairpin heat exchanger. The exchanger was in service in many years. I have the heat exchanger drawing (with limited info) for the heat exchanger geometry.  But so many variables I can not find in the drawings and I have to use HYSYS defaults. What HYSYS output values I need to look for to decide if I entered correct geometry and the heat exchanger is adequate for the new flow rate and temperature requirements? Thank you for helping me in advance. 

#2 ChinmoyBasak


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Posted 16 June 2020 - 08:39 PM

Please reread your post. Do you think anyone can help you with only the information given?
Suggestion. Please share.
- State inlet & outlet condition, fluid properties.
- Do some hand calculation
- Share the hand-sketched drawing if you have the proper permission.
- Look at the HTFS manual. (require access)
Good luck

#3 Chemitofreak


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Posted 17 June 2020 - 12:50 AM

Ask Mechanical/Inspection department to measure the dimensions and internal details.


Then use the same for rating of the exchanger

#4 breizh


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Posted 17 June 2020 - 02:29 AM


To make you familiar with this type of technology and support your work( calculation) you can use the link and the document attached .




a spreadsheet is available ( bottom of the document above) .


this should help you prior to use HYSYS 


Good luck


Attached Files

Edited by breizh, 17 June 2020 - 08:40 PM.

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