Thermoacoustic engines (sometimes called "TA engines") are thermoacoustic devices which use high-amplitude sound waves to pump heat from one place to...

Thermoacoustics is the interaction between temperature, density and pressure variations of acoustic waves. Thermoacoustic heat engines can readily be driven...

A heat engine is a system that converts heat to usable energy, particularly mechanical energy, which can then be used to do mechanical work. While originally...

1887 – Lord Rayleigh discussed the theoretical possibility of a thermoacoustic heat engine that could turn a temperature difference directly into mechanical...

combustion engine. Another group of noncombustive engines includes thermoacoustic heat engines (sometimes called "TA engines") which are thermoacoustic devices...

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Vuilleumier cycle. Stirling engine Thermoacoustic heat engine Manson-Guise Engine Vacuum engine Carnot heat engine Timeline of heat engine technology "An Inquiry...

A Stirling engine is a heat engine that is operated by the cyclic expansion and contraction of air or other gas (the working fluid) by exposing it to...

water-source heat pump was installed in the Danish town of Esbjerg in 2023. A thermoacoustic heat pump operates as a thermoacoustic heat engine without refrigerant...

1945). p. 226. According to Lord Rayleigh's criterion for thermoacoustic processes, "If heat be given to the air at the moment of greatest condensation...

An internal combustion engine (ICE or IC engine) is a heat engine in which the combustion of a fuel occurs with an oxidizer (usually air) in a combustion...

The aerospike engine is a type of rocket engine that maintains its aerodynamic efficiency across a wide range of altitudes. It belongs to the class of...

through the heat of compression alone. An Akroyd engine will have a compression ratio between 3:1 and 5:1 whereas a typical diesel engine will have a...

A rotating detonation engine (RDE) uses a form of pressure gain combustion, where one or more detonations continuously travel around an annular channel...

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instance, thermoacoustic instabilities are a major hazard to gas turbines and rocket engines. Moreover, flame blowoff of an aero-gas-turbine engine in mid-flight...

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A variable cycle engine (VCE), also referred to as adaptive cycle engine (ACE), is an aircraft jet engine that is designed to operate efficiently under...

engine compressors provide the compression part of the gas turbine engine thermodynamic cycle. There are three basic categories of gas turbine engine...

A rocket engine nozzle is a propelling nozzle (usually of the de Laval type) used in a rocket engine to expand and accelerate combustion products to high...

A turboprop is a turbine engine that drives an aircraft propeller. A turboprop consists of an intake, reduction gearbox, compressor, combustor, turbine...

occurs. The Rayleigh Criterion implies that thermoacoustic instability can be optimally controlled by having heat release oscillations 180 degrees out of...

The turbojet is an airbreathing jet engine which is typically used in aircraft. It consists of a gas turbine with a propelling nozzle. The gas turbine...

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airbreathing jet engine that is widely used in aircraft propulsion. The word "turbofan" is a combination of references to the preceding generation engine technology...

The Scuderi engine, in 2005–2013 was a claimed new type of engine with claimed benefits. No engine to date has been produced commercially. In 2009, the...

efficiency; a jet engine is a form of heat engine. Heat engine efficiency is determined by the ratio of temperatures reached in the engine to that exhausted...

Rijke tube is considered to be a standing wave form of thermoacoustic devices known as "heat engines" or "prime movers". The Rijke tube operates with both...

a thermoacoustic SASER has a high-Q cavity and uses a gain medium to amplify coherent waves. For further explanation see thermoacoustic heat engine. The...

wave machines or pressure exchangers). As with all heat engines, the efficiency of a wave disk engine is governed by the temperature difference between...