# Question 1. A two-shaft stationary gas turbine has isentropic efficiencies of 0.85, 0.88, and 0.9 for the compressor, gas generator turbine, and power turbine, respectively, and a compressor pressure ratio of 20. a) Determine the compressor work and net work, the gas generator turbine exit temperature, and thermal efficiency for 80° F ambient and 1900°F compressor-turbine inlet temperatures. b) Calculate and discuss the effects of adding reheat to 1900° F ahead of the power turbine.

WXGNK0 The Asker · Mechanical Engineering

Transcribed Image Text: 1. A two-shaft stationary gas turbine has isentropic efficiencies of 0.85, 0.88, and 0.9 for the compressor, gas generator turbine, and power turbine, respectively, and a compressor pressure ratio of 20. a) Determine the compressor work and net work, the gas generator turbine exit temperature, and thermal efficiency for 80° F ambient and 1900°F compressor-turbine inlet temperatures. b) Calculate and discuss the effects of adding reheat to 1900° F ahead of the power turbine.
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Transcribed Image Text: 1. A two-shaft stationary gas turbine has isentropic efficiencies of 0.85, 0.88, and 0.9 for the compressor, gas generator turbine, and power turbine, respectively, and a compressor pressure ratio of 20. a) Determine the compressor work and net work, the gas generator turbine exit temperature, and thermal efficiency for 80° F ambient and 1900°F compressor-turbine inlet temperatures. b) Calculate and discuss the effects of adding reheat to 1900° F ahead of the power turbine.