Saudi Aramco TPRF ON Calculator

Please select the species that you want to calculate and enter their vol% or mol% ...

SpeciesDensity (kg/m^3)Carbon #Hydrogen #Oxygen #RONMONVolume%Mole%
n-Heptane683.94716000
iso-Octane692.148180100100
Toluene867.03780118103
Ethanol78926110890.7

*Ethanol is calculated only for "Blending Rule of PRFs and TPRFs with Ethanol" method.



Additional Entries for TPRF+Ethanol (Optional)




References

[1] TPRF Blends to Predict Knock is implemented based on the following paper:
Kalghatgi, G., Babiker, H., and Badra, J.
"A Simple Method to Predict Knock Using Toluene, N-Heptane and Iso-Octane Blends (TPRF) as Gasoline Surrogates" SAE 2015 World Congress & Exhibition
doi:10.4271/2015-01-0757 ( doi:10.4271/2015-01-0757 )

[2] Blending Rule of PRFs and TPRFs with Ethanol is implemented based on the following paper:
A.S. AlRamadan, S.M. Sarathy, M. Khurshid, J. Badra
"A Blending Rule for Octane Numbers of PRFs and TPRFs with Ethanol" Fuel, 180, 2016, 175–186
doi:10.1016/j.fuel.2016.04.032 (doi:10.1016/j.fuel.2016.04.032 )