Thermodynamic efficiency is an important consideration in gas turbine engine design, most particularly for those turbines destined for the aerospace market where the powenweight ratio and fuel efficiency are of major concern. ![]() Propulsion or power generation is obtained by the very rapid expansion of this ignited fuel-air mixture through the turbine blades. Gas turbine engines operate on the simple principle of converting heat energy into mechanical work, by taking a large volume of air, compressing it to high pressure, mixing the compressed air with fuel and then igniting it. The engines consist of an inlet duct followed in sequence by a compressor section, combustion chambers, high and low pressure turbine sections and an exhaust duct. Gas turbine engines find widespread use for aircraft and marine propulsion and for land-based power generation.
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