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Heat Flow in simple pipe with water

Posted 8 mars 2016, 05:21 UTC−5 Fluid & Heat, Heat Transfer & Phase Change, Modeling Tools & Definitions, Parameters, Variables, & Functions 2 Replies

Jacek Zarzecki

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Hello,
I'm really new to heat flow computation and I have no Idea how to calculate time and distance of water flowing in pipe when water temperature will stay constans.
Model:
pipe 50 m long, 0.04mm diameter, 0.036 mm inside diameter, PVC
buried in ground 2 m deep
ground temperature 10 degC
inlet water 22.7 degC, no idea of velocity (lets say 0.01m/s)
what will be the water outlet temperature afer 1h, 2h, ... 12h of flow
on what disance (from inlet) and at what time water temperature will become steady.

best regards
Jacek

2 Replies Last Post 10 mars 2016, 04:01 UTC−5

Jeff Hiller COMSOL Employee

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Posted: 9 years ago

Hello Jacek,
This is a textbook application for the Pipe Flow Module: www.comsol.com/pipe-flow-module
Make sure your license includes that product, and then follow the approach documented in the tutorial contained in the Introduction to the Pipe Flow Module manual, version 5.2.
Best regards,
Jeff

Jacek Zarzecki

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Posted: 9 years ago

thanks
Will check and try :)

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Heat Flow in simple pipe with water

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