19 Facts About Gas turbines

Gas turbines turbine, called a combustion turbine, is a type of continuous flow internal combustion engine.

Gas turbines are used to power aircraft, trains, ships, electrical generators, pumps, gas compressors, and tanks.

Mechanically, gas turbines can be considerably less complex than internal combustion piston engines.

Airbreathing jet engines are gas turbines optimized to produce thrust from the exhaust gases, or from ducted fans connected to the gas turbines.

Gas turbines are used in many liquid fuel rockets, where gas turbines are used to power a turbopump to permit the use of lightweight, low-pressure tanks, reducing the empty weight of the rocket.

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Aeroderivative gas turbines are generally based on existing aircraft gas turbine engines, and are smaller and lighter than industrial gas turbines.

Small gas turbines are used as auxiliary power units to supply auxiliary power to larger, mobile, machines such as an aircraft.

Industrial gas turbines differ from aeronautical designs in that the frames, bearings, and blading are of heavier construction.

Gas turbines can be particularly efficient when waste heat from the turbine is recovered by a heat recovery steam generator to power a conventional steam turbine in a combined cycle configuration.

Aeroderivative gas turbines can be used in combined cycles, leading to a higher efficiency, but it will not be as high as a specifically designed industrial gas turbine.

Industrial gas turbines that are used solely for mechanical drive or used in collaboration with a recovery steam generator differ from power generating sets in that they are often smaller and feature a dual shaft design as opposed to a single shaft.

Closed-cycle gas turbines based on helium or supercritical carbon dioxide hold promise for use with future high temperature solar and nuclear power generation.

Gas turbines are often used on ships, locomotives, helicopters, tanks, and to a lesser extent, on cars, buses, and motorcycles.

Gas turbines offer a high-powered engine in a very small and light package.

Turbines have historically been more expensive to produce than piston engines, though this is partly because piston engines have been mass-produced in huge quantities for decades, while small gas turbine engines are rarities; however, turbines are mass-produced in the closely related form of the turbocharger.

Turbo-compound engines are fitted with blow down Gas turbines which are similar in design and appearance to a turbocharger except for the turbine shaft being mechanically or hydraulically connected to the engine's crankshaft instead of to a centrifugal compressor, thus providing additional power instead of boost.

Each of their Gas turbines employed a unique rotating recuperator, referred to as a regenerator that increased efficiency.

Gas turbines are used in many naval vessels, where they are valued for their high power-to-weight ratio and their ships' resulting acceleration and ability to get underway quickly.

Simple-cycle efficiencies of early gas turbines were practically doubled by incorporating inter-cooling, regeneration, and reheating.