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The actual temperature entering the combustor in K. Fuel air ratio Fuel consumption in kg/s

The actual temperature entering the combustor in K. Fuel air ratio Fuel consumption in kg/s

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
Problem 1.1MA
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A 25 MW Gas Turbine power plant operating on a simple open cycle system gives the following data:

Air inlet temperature = 300 K

Air inlet pressure  = 101.325 kPa

Pressure ratio = 4

Temperature after combustion = 1150 K

Compressor adiabatic efficiency = 92%

Compressor mechanical efficiency = 87%

Turbine mechanical efficiency = 80%

Generator efficiency = 96 %

Heating value = 41,680 kJ/kg

Combustion losses = 10%

For air and gas mixture, Cp = 1.005 kJ/kg – K, R = 282 J/kg-K

Determine:

  • The actual temperature entering the combustor in K.
  • Fuel air ratio
  • Fuel consumption in kg/s
  • The volume of air supplied in CFM.
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