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Gas velocity in a tube under isothermal heating

Posted 2017年1月12日 GMT-5 09:02 Fluid & Heat, Heat Transfer & Phase Change Version 5.2a 0 Replies

Samir Hilfi
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Hi,
I'm working on modelling a gas flow inside a quartz tube. the gas flows from room temperature zone (25 cm long) and enters a hot zone (75 cm at 1000 C) . according to calculation the mean velocity of gas suppose to be some thing like 15 m/s but cmosol shows 1cm/s, I thing the effect of temperature on velocity doesn't calculated, so pleae can you help?

Regards


Samir
0 Replies Last Post 2017年1月12日 GMT-5 09:02
COMSOL Moderator

Hello Samir Hilfi

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