Aerospace Engineering > GATE 2020 > Combustion
The operating conditions of an aircraft engine combustor are as follows.
The rate of total enthalpy of air entering the combustor =28.94 MJ/s.
The rate of total enthalpy of air leaving the combustor=115.42 MJ/s.
Mass flow rate of air =32 kg/s.
Air to fuel mass ratio =15.6
Lower heating value of the fuel =46 MJ/kg.
The efficiency of the combustor is _______ % (round off to two decimal places).
The rate of total enthalpy of air entering the combustor =28.94 MJ/s.
The rate of total enthalpy of air leaving the combustor=115.42 MJ/s.
Mass flow rate of air =32 kg/s.
Air to fuel mass ratio =15.6
Lower heating value of the fuel =46 MJ/kg.
The efficiency of the combustor is _______ % (round off to two decimal places).
Explanation
Correct : 91 to 93
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