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Calculation Of Heat Exchanger Tube Velocity


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#1 CHEMSTRONG

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Posted 10 August 2022 - 03:31 AM

Dear Sir,

 

How do we calculate Tube Velocity in Heat Exchanger ?

 

Please advice the formula ?

 

Q=UADelta T lm , can we equate this to V/A: Velocity is V and Area is A 



#2 breizh

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Posted 10 August 2022 - 04:10 AM

Hi , 

Wow !

Did you check what is written in your post ?  

On one hand there is an equation which  is related to heat duty of the HX ( KW)  and on the other end  Qv = V*Section  (m3/s)

 

Share with us your background and your role within your organization for us to support you effectively .

I'm really confused with your chemical engineering expertise and every day questions . 

 

Breizh 



#3 CHEMSTRONG

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Posted 10 August 2022 - 04:50 AM

Dear Sir,

 

I am new to Process Design and I am from Refinery operational background wherein I monitor unit operations on daily basis only.

I want to know how to calculate Tube velocity ? What is the formula to be used ?



#4 breizh

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Posted 10 August 2022 - 05:04 AM

Hi,

The velocity in the tubes is the total flow rate divided by (the number of tubes * cross section of each tube) .

Let you study in depth the documents supplied , probably good for you to get a degree from Uni . Nothing wrong with your background but there is a long way to go. 

Nowadays a lot of resources are available using google search or equivalent engine , same for videos using Youtube channel . 

 

Good luck anyway

Breizh 



#5 fallah

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Posted 10 August 2022 - 05:07 AM

 

Q=UADelta T lm , can we equate this to V/A: Velocity is V and Area is A 

 

Hi,

 

No you cannot; 

 

In a rough estimation, you can divide the volumetric flow rate passing through the tube side by the total cross sectional area of the tube side to find the tube side velocity.



#6 latexman

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Posted 10 August 2022 - 06:29 AM

Dear CHEMSTRONG,

 

Are you a ChE degree holder?  I suspect not.  IMHO, this question can be answered by most Freshman or Sophomore ChE students and by some high school students and graduates.  It's like you ask a question that pops into your head with no real thought, not opening a reference, or any study or work at all.  Please research your questions thoroughly before asking.  

 

We have jobs!  Stop wasting our time.



#7 CHEMSTRONG

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Posted 10 August 2022 - 08:29 AM

Dear Sir,

 

I am really sorry. I am fresh professional Refinery Operations background .



#8 breizh

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Posted 11 August 2022 - 11:02 PM

Hi,

Search Online Courses, Lecture Videos, Video tutorials (freevideolectures.com)

 

This may help you .

Breizh 






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