Gas turbine enginesTheoryA gas turbine engine is a type of combustion engine which produces electric current. It convertsliquid fuels to mechanical energy. This mechanical energy is used by the generator to produceelectrical energy. This is then transferred to houses along power lines. A gas-turbine engineproduces propulsive thrust or useful work. In the case of pure jet aircraft engine, the generatoris driven by accelerating the turbine exhaust flow through a nozzle. This type of engineproduces large amount of power. Engine theory can be explained using a combination ofBoyles law and Charless law.The combined gas law states that:(P x V)/T = Ki.e., the product of volume and pressure of a quantity of gas divided by absolute temperature isa constant.ComponentsThe term (P x V) across each stage of working cycle is proportional to absolute temperature atthat stage. The 3 main stages include compression, combustion and expansion.Work done is used to increase the pressure and decrease the volume during compression.During combustion, there is an increase in temperature due to the addition of fuel to burn withair. This leads to a corresponding rise in volume. Durin ...
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