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Pipeline Heat Loss During Rain Events

rain pipeline

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#1 mbsingleton

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Posted 19 November 2019 - 08:26 AM

I am trying to estimate the heat loss of an 8000 ft above ground ethane pipeline.  There are a number of resources to estimate heat loss given ambient temperature and wind speed, but I have not been able to find any resources that provide a good estimate of heat loss during a rain case?

 

I suppose that I can make an assumption that during a heavy rain event, the pipe is "submerged" in liquid water, but it seems that this would over-estimate the conductive heat loss.

 

Does anybody know of any resources that provide heat loss correlations/estimations that include rain events?



#2 latexman

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Posted 19 November 2019 - 09:19 AM

I would try using a falling film heat transfer coefficient.  It's hard to imagine it submerged.






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