Turbine Engines, Brayton Cycle And Thermodynamics

998 WordsMay 10, 20164 Pages
Turbine Engines, Brayton Cycle and Thermodynamics I 'm writing this research paper for my Thermodynamics class with Professor Roh. I have a big interest in turbine gas engines and how they operate. My future goal within mechanical engineering is to learn how to maintain and design turbine gas engines. How do Turbine Gas Engines operate? I read this article at Wartsila website which enlightened me that Gas turbines are comprised of three primary sections mounted on the same shaft: the compressor, the combustor and the turbine. The compressor can be either axial flow or centrifugal flow. Axial flow compressors are more common in power generation because they have higher flow rates and efficiencies. The acceleration of the air through the rotating blades and diffusion by the stators increases the pressure and reduces the volume of the air. Although no heat is added, the compression of the air also causes the temperature to increase. The compressed air is mixed with fuel which ignites under constant pressure conditions and the hot combustion products (gases) are directed through the turbine where it expands rapidly and imparts rotation to the shaft. The turbine is also comprised of stages, each with a row of stationary blades (or nozzles) to direct the expanding gases followed by a row of moving blades. The rotation of the shaft drives the compressor to draw in and compress more air to sustain continuous combustion. The remaining shaft power is used to drive a generator

More about Turbine Engines, Brayton Cycle And Thermodynamics

Open Document