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Modelling Humidity for a railway train model

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September 7, 2022, 12:03	Modelling Humidity for a railway train model	#1
AlhassanMusa New Member Musa Alhassan Join Date: Sep 2022 Posts: 1 Rep Power: 0	Hello, I really need help to model humidity. I have my relative humidity as 55%, and air temperature as 25 degrees. I used UDF of a saturation temperature from literature with species transport. I am not sure how to calculate for the mass fraction and volume fraction. See below for my setup:Capture.jpg Capture.PNG2.PNG Capture.PNG3.PNG Capture.PNG4.PNG Capture.PNG5.jpg

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aerosol transport, cfd, humidity, railway, relative humiduty

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