Gas Power Systems Nick DiFilippo

Spark Ignition Compression Ignition Compression Ratio

Air Standard Otto Cycle Q Q Q Q

Air Standard Diesel Cycle Q Q Q Q Cold air standard Air standard

Comparison of Otto and Diesel Cycle

Air Standard Dual Cycle Q Q Q Q Q Q

Gas Turbine Power Plants

Air Standard Brayton Cycle

Actual Gas Turbine

T1 = 300K h1 = kJ/kg Pr1 = State 1 T2s = 540K h2s = kJ/kg State 2s State 3 T3 = 1300K h3 = kJ/kg Pr3 = T4s = 720.2K h4s = kJ/kg State 4s

Brayton With Regeneration T4>T2

T1 = 300K h1 = kJ/kg Pr1 = State 1 T2s = 540K h2s = kJ/kg State 2s State 3 T3 = 1300K h3 = kJ/kg Pr3 = T4s = 720.2K h4s = kJ/kg State 4s State 2State 4 T4 = 853K h4 = kJ/kg T2 = 598K h2 = kJ/kg

Brayton with Intercooling, Reheating and Regeneration Reheat