# Using IVC calculator in FORTE to get the right mass fraction of gaseous fuel

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 July 4, 2024, 20:35 Using IVC calculator in FORTE to get the right mass fraction of gaseous fuel #1 New Member   Muhammad Usman Saeed Akhtar Join Date: Jul 2024 Posts: 2 Rep Power: 0 Dear Members, Can you please let me know how IVC mixture in tutorial 2 (Dual fuel combustion modelling using a 60% sector mesh) of Forte was calculated? I followed the reference paper and used the given values in IVC calculator: mass of gasoline = 104.96mg mass of diesel = 23.04mg Phi = 0.77 EGR = 0.455 However, I did not get the same values provided in the dual fuel tutorial. Can you please let me know how we can use the IVC calculator to find the mass fractions of species in a homogenous mixture of gases at IVC when gaseous fuel is premixed with the air and liquid fuel is injected directly into the cylinder? Many thanks! Last edited by Usmansaeed; July 5, 2024 at 07:12.

July 18, 2024, 04:25
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 Originally Posted by Usmansaeed Dear Members, Can you please let me know how IVC mixture in tutorial 2 (Dual fuel combustion modelling using a 60% sector Buckshot Roulette mesh) of Forte was calculated? I followed the reference paper and used the given values in IVC calculator: mass of gasoline = 104.96mg mass of diesel = 23.04mg Phi = 0.77 EGR = 0.455 However, I did not get the same values provided in the dual fuel tutorial. Can you please let me know how we can use the IVC calculator to find the mass fractions of species in a homogenous mixture of gases at IVC when gaseous fuel is premixed with the air and liquid fuel is injected directly into the cylinder? Many thanks!
To calculate the mass fractions of species at IVC for the dual fuel combustion model in Forte, you need to input the given parameters into the IVC calculator. Ensure the correct values for air-fuel ratio, total mass, and EGR percentage are used to get the accurate composition.

July 18, 2024, 07:41
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 Originally Posted by elena199x To calculate the mass fractions of species at IVC for the dual fuel combustion model in Forte, you need to input the given parameters into the IVC calculator. Ensure the correct values for air-fuel ratio, total mass, and EGR percentage are used to get the accurate composition.
Thank you for your response. Did you mean the total mass of port-injected gaseous fuel or the total mass of both port and direct-injected fuels?

 Tags cfd, diesel combustion, forté, sector mesh

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