The air enters the compressor of an open cycle gas turbine at I bar and 20°C. The overall pressure ratio of the cycle is 4/1, The isentropic efficiencies of the compressor and turbine are S0% and 85%N respectively. The air fuel ratio used is 801 with a heating value of 41800 JAg The pressure drop in the combustion clumber is 0.11 har and the combustion efficiency is 96%. The air flow rate is estimated to be 5 kg's. Determine: • Power output in kW. • Cycle thermal efficiency. Assume that the working fluid around the cycle has the properties C, 1.10 kukg K and y=14

Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
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Q3: The air enters the compressor of an open cycle gas turbine at I bar and 20'C. The overall
pressure ratio of the cycle is 4/1. The isentropic efficiencies of the compressor and turbine
are 80% and 85% respectively. The air/fuel ratio used is 80/1 with a heating value of
41800 kJAkg. The pressure drop in the combustion chumber is 0,1l bar and the
combustion efficiency is 96%. The air flow rate is estimated to be 5 kg's. Determine:
• Power output in kW.
• Cycle thermal efficiency.
Assume that the working fluid around the cycle has the properties C, = 1.10 kJ/kg K and
y= 14
Transcribed Image Text:Q3: The air enters the compressor of an open cycle gas turbine at I bar and 20'C. The overall pressure ratio of the cycle is 4/1. The isentropic efficiencies of the compressor and turbine are 80% and 85% respectively. The air/fuel ratio used is 80/1 with a heating value of 41800 kJAkg. The pressure drop in the combustion chumber is 0,1l bar and the combustion efficiency is 96%. The air flow rate is estimated to be 5 kg's. Determine: • Power output in kW. • Cycle thermal efficiency. Assume that the working fluid around the cycle has the properties C, = 1.10 kJ/kg K and y= 14
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