23. The gas turbine has an overall pressure ratio of 5:1 and a maximum cycle temperature of 550°C. The turbine drives the compressor and an electric generator, the mechanical efficiency of the drive being 97%. The ambient temperature is 20°C and the isentropic efficiencies for the compressor and turbine are 0.8 and 0.83 respectively. Calculate the power output in kilowatts for an air flow of 15 kg/s. Calculate also the thermal efficiency and the work ratio. Neglect changes is kinetic energy, and the loss of pressure in combustion chamber.
23. The gas turbine has an overall pressure ratio of 5:1 and a maximum cycle temperature of 550°C. The turbine drives the compressor and an electric generator, the mechanical efficiency of the drive being 97%. The ambient temperature is 20°C and the isentropic efficiencies for the compressor and turbine are 0.8 and 0.83 respectively. Calculate the power output in kilowatts for an air flow of 15 kg/s. Calculate also the thermal efficiency and the work ratio. Neglect changes is kinetic energy, and the loss of pressure in combustion chamber.
Introduction to Chemical Engineering Thermodynamics
8th Edition
ISBN:9781259696527
Author:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Publisher:J.M. Smith Termodinamica en ingenieria quimica, Hendrick C Van Ness, Michael Abbott, Mark Swihart
Chapter1: Introduction
Section: Chapter Questions
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Transcribed Image Text:23. The gas turbine has an overall pressure ratio of 5:1 and a maximum cycle temperature of 550°C. The
turbine drives the compressor and an electric generator, the mechanical efficiency of the drive being 97%.
The ambient temperature is 20°C and the isentropic efficiencies for the compressor and turbine are 0.8 and
0.83 respectively. Calculate the power output in kilowatts for an air flow of 15 kg/s. Calculate also the
thermal efficiency and the work ratio.
Neglect changes is kinetic energy, and the loss of pressure in combustion chamber.
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