Kosky, Balmer, Keat, Wise: Exploring Engineering, Fourth Edition
7-11) Using the results of problems 9 and 10, determine the mass air-to-fuel ratio
(A/F)mass for the combustion of natural gas in air.
Need: (A/F)mass = ____ (either expressed as a pure number or more
descriptively, kg of air/kg of fuel)
Know: Stoichiometric equation, CH4 +2(O2 + 3.76 N2) = CO2+ 2H2O+
7.52N2
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