Applying the First Law to Reacting Systems
Liquid ethanol (C2H5OH) at 77°F, 1 atm enters a combustion chamber operating at steady state and burns completely with dry air entering at 340°F, 1 atm. The fuel flow rate is 50 lb/s, and the equivalence ratio is 0.8. Products of combustion exit at 2000°F, 1 atm. Ignoring kinetic and potential energy effects, determine(a) the air–fuel ratio on a mass basis.
(b) the rate of heat transfer, in Btu/s.
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