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Heat tracing calculation

Heat tracing calculation

Heat tracing calculation

(OP)
Dear sirs
I would like to ask your help for some published reference about heat tracing calculation for insulated pipelines.

I did already some search but I did not found anything I would define as usefull. I started by consulting the Piping handbook (Nayyar et. Al.) but there they describe very well the use of a program for calculation from a Company which is primary interested in selling electrical heat tracing (I agree this is for most of the applications better but not for all).

I also took a look at the sites of Thermon, Cromolox and Raychem but I feel they focus strongly on Electrical tracing.

In my specific case I would like to keep the product cool because it is sensitive to high temperatures therefore no chance with electrical nor steam calculations will help.

Rgs.  

RE: Heat tracing calculation

So you want to "cold trace" a pipe?

Do you need to keep it colder than the surrounding ambient?

 

RE: Heat tracing calculation

So all these replies did not help?
http://www.eng-tips.com/viewthread.cfm?qid=230860

<<A good friend will bail you out of jail, but a true friend
will be sitting beside you saying " Damn that was fun!" - Unknown>>

RE: Heat tracing calculation

(OP)
Unotec,
Frankly speaking: The answers did not replied the question which was about published references for heat tracing calculations.

I am sure the answers were well intented and I agree on them but this do not help if you have to calculate.

Mintjulep,
You are 100% right

Rgs

RE: Heat tracing calculation

abcmex

You might find more references if you looked for "cooling jackets" rather than "heat tracing".  As you have found, "heat tracing" generally refers to an electrical jacketed system that prevents pipes from freezing rather than a cooling system.

One of the things that would help narrow recommendations is a better understanding of what you're trying to do:  are you protecting your process fluid from a hot external environment or do you need to remove heat from the process fluid to keep it from overheating?

Patricia Lougheed

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RE: Heat tracing calculation

Try IEEE 515, gives most formulas, but not much different than implementation of many EHT suppliers.

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