Brayton Cycle (Gas Turbine) for Propulsion Application AnalysisAuthor: Gordan Feric
The ideal cycle for a simple gas turbine is the Brayton Cycle, also called the Joule Cycle.In this course material, the open, simple Brayton Cycle used for stationary power generation is considered providing thrust instead of power output.In order to keep the scope of the thrust analysis simple, the working fluid exiting gas turbine expands to the atmospheric conditions -- final working fluid exit pressure is equal to the ambient pressure.
The Brayton Cycle thermal efficiency is presented only for the air as the working fluid. The thermal efficiency derivation is presented with a simple mathematical approach. The Brayton Cycle is presented in a T - s diagram and its major performance trends (specific propulsion output and propulsion output) are plotted in a few figures as a function of compression ratio, gas turbine inlet temperature and working fluid mass flow rate. It should be noted that this online course does not deal with costs (capital, operational or maintenance).
In this course material, the student gets familiar with the Brayton Cycle, its components, T - s diagram, operation and major performance trends.
by Gordan Feric
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