# Help:gas composition in % by vol.

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 October 13, 2001, 00:55 Help:gas composition in % by vol. #1 Adi Guest   Posts: n/a Hi friends, Currently I am facing the problem to determine simulation exit gas composition in % by volume. I have the gas composition from gasification result such as CO : 0.004431, CH4 : 0.0001466 and O2 : 0.01 in mass fraction. My question to you all, how to convert the exit mass fraction into % by volume. My purpose is the current result of my gasification study will be compared with others work which are written in % by volume. Anybody who can help me to assist my problem immediately, will be highly appreciated. Thank you very much Bye Adi SANewaj likes this.

 October 16, 2001, 06:13 Re: Help:gas composition in % by vol. #2 Greg Perkins Guest   Posts: n/a Try mole fractions!

 October 23, 2001, 04:12 Re: Help:gas composition in % by vol. #3 Volker Pawlik Guest   Posts: n/a For gases mole fractions and vol-fractions are the same. This is due to the property of gases that 1 mole of any gas occupies the same volume at the same conditions (pressure and temperature). Is'n that called the law of Boyle and Mariotte?

 February 2, 2016, 07:16 #4 New Member   Shah Asif Newaj Sagar Join Date: Feb 2016 Posts: 2 Rep Power: 0 Hey friend, I am quite new in simulation and using ANSYS. Can u tell me please, how i can get the simulation exit gas composition, what u have done? Eagerly waiting for your reply friend.. Thank you.. Last edited by SANewaj; February 2, 2016 at 07:19. Reason: Information Missing..

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