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Heat engine

Index Heat engine

In thermodynamics, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work. [1]

103 relations: Absorption (electromagnetic radiation), Absorption refrigerator, Adiabatic process, Air cycle machine, Aluminium bromide, Ammonia, Atkinson cycle, Avedøre Power Station, Barton evaporation engine, Brayton cycle, Cairo University, CANDU reactor, Carbon dioxide, Carnot cycle, Carnot heat engine, Carnot's theorem (thermodynamics), Chemical energy, Combined cycle, Diesel cycle, Diesel engine, Dimer (chemistry), Dissipation, Drinking bird, Dry ice bomb, Electrical resistance and conductance, Endoreversible thermodynamics, Energy, Engine, Engine displacement, Entropy, Ericsson cycle, Exothermic reaction, Fossil fuel power station, Friction, Frost heaving, Fuel efficiency, Gas turbine, Geothermal power, Heat capacity, Heat pump, Heat sink, Heat transfer, Horsepower, Injector, Internal combustion engine, Isentropic process, Isobaric process, Isochoric process, Isothermal process, John Ericsson, ..., John Wiley & Sons, Johnson thermoelectric energy converter, Kalina cycle, Kelvin, Larderello, Lenoir cycle, Magnetic refrigeration, Malone engine, Mechanical energy, Miller cycle, Minto wheel, Nitrogen dioxide, NOx, Nuclear power plant, Ocean thermal energy conversion, Organic Rankine cycle, Otto cycle, Petrol engine, Power density, Pressure–volume diagram, Pulsejet, Rankine cycle, Rankine scale, Reciprocating engine, Refrigerator, Regenerative cooling, ResearchGate, Reversible process (thermodynamics), Second law of thermodynamics, Steam engine, Stirling cycle, Stirling engine, Sulfur dioxide, Supercritical steam generator, Temperature, Thermal efficiency, Thermal energy, Thermal reservoir, Thermionic emission, Thermo-magnetic motor, Thermoacoustic heat engine, Thermodynamic system, Thermodynamic temperature, Thermodynamics, Thermoelectric effect, Thermogalvanic cell, Thermosynthesis, Thermotunnel cooling, Timeline of heat engine technology, Vapor-compression refrigeration, West Thurrock, Work (physics), Xenon. Expand index (53 more) »

Absorption (electromagnetic radiation)

In physics, absorption of electromagnetic radiation is the way in which the energy of a photon is taken up by matter, typically the electrons of an atom.

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Absorption refrigerator

An absorption refrigerator is a refrigerator that uses a heat source (e.g., solar energy, a fossil-fueled flame, waste heat from factories, or district heating systems) to provide the energy needed to drive the cooling process.

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Adiabatic process

In thermodynamics, an adiabatic process is one that occurs without transfer of heat or matter between a thermodynamic system and its surroundings.

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Air cycle machine

An air cycle machine (ACM) is the refrigeration unit of the environmental control system (ECS) used in pressurized gas turbine-powered aircraft.

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Aluminium bromide

Aluminium bromide is any chemical compound with the empirical formula AlBrx.

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Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

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Atkinson cycle

The Atkinson-cycle engine is a type of internal combustion engine invented by James Atkinson in 1882.

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Avedøre Power Station

The Avedøre Power Station (Avedøreværket) is a combined heat and power station, located in Avedøre, Denmark, just south of Copenhagen, and is owned by Ørsted A/S.

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Barton evaporation engine

The Barton Evaporation Engine (BEE) is a heat engine invented in 2004 by Dr Noel Barton of Sunoba Pty Ltd.

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Brayton cycle

The Brayton cycle is a thermodynamic cycle named after George Brayton who describes the workings of a constant-pressure heat engine.

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Cairo University

Cairo University (جامعة القاهرة, known as the Egyptian University from 1908 to 1940, and King Fuad I University from 1940 to 1952) is Egypt's premier public university.

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CANDU reactor

The CANDU, for Canada Deuterium Uranium, is a Canadian pressurized heavy-water reactor design used to generate electric power.

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Carbon dioxide

Carbon dioxide (chemical formula) is a colorless gas with a density about 60% higher than that of dry air.

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Carnot cycle

The Carnot cycle is a theoretical thermodynamic cycle proposed by French physicist Sadi Carnot in 1824 and expanded upon by others in the 1830s and 1840s.

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Carnot heat engine

A Carnot heat engine is a theoretical engine that operates on the reversible Carnot cycle.

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Carnot's theorem (thermodynamics)

Carnot's theorem, developed in 1824 by Nicolas Léonard Sadi Carnot, also called Carnot's rule, is a principle that specifies limits on the maximum efficiency any heat engine can obtain.

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Chemical energy

In chemistry, chemical energy is the potential of a chemical substance to undergo a transformation through a chemical reaction to transform other chemical substances.

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Combined cycle

In electric power generation a combined cycle is an assembly of heat engines that work in tandem from the same source of heat, converting it into mechanical energy, which in turn usually drives electrical generators.

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Diesel cycle

The Diesel cycle is a combustion process of a reciprocating internal combustion engine.

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Diesel engine

The diesel engine (also known as a compression-ignition or CI engine), named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel which is injected into the combustion chamber is caused by the elevated temperature of the air in the cylinder due to mechanical compression (adiabatic compression).

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Dimer (chemistry)

A dimer (di-, "two" + -mer, "parts") is an oligomer consisting of two monomers joined by bonds that can be either strong or weak, covalent or intermolecular.

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Dissipation is the result of an irreversible process that takes place in homogeneous thermodynamic systems.

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Drinking bird

Drinking birds, also known as insatiable birdies, dunking birds, drinky birds or dipping birds, are toy heat engines that mimic the motions of a bird drinking from a water source.

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Dry ice bomb

A dry ice bomb is a simple explosive device.

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Electrical resistance and conductance

The electrical resistance of an electrical conductor is a measure of the difficulty to pass an electric current through that conductor.

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Endoreversible thermodynamics

Endoreversible thermodynamics is a subset of irreversible thermodynamics aimed at making more realistic assumptions about heat transfer than are typically made in reversible thermodynamics.

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In physics, energy is the quantitative property that must be transferred to an object in order to perform work on, or to heat, the object.

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An engine or motor is a machine designed to convert one form of energy into mechanical energy.

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Engine displacement

Engine displacement is the swept volume of all the pistons inside the cylinders of a reciprocating engine in a single movement from top dead centre (TDC) to bottom dead centre (BDC).

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In statistical mechanics, entropy is an extensive property of a thermodynamic system.

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Ericsson cycle

The Ericsson cycle is named after inventor John Ericsson who designed and built many unique heat engines based on various thermodynamic cycles.

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Exothermic reaction

An exothermic reaction is a chemical reaction that releases energy by light or heat.

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Fossil fuel power station

A fossil fuel power station is a power station which burns a fossil fuel such as coal, natural gas, or petroleum to produce electricity.

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Friction is the force resisting the relative motion of solid surfaces, fluid layers, and material elements sliding against each other.

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Frost heaving

Frost heaving (or a frost heave) is an upwards swelling of soil during freezing conditions caused by an increasing presence of ice as it grows towards the surface, upwards from the depth in the soil where freezing temperatures have penetrated into the soil (the freezing front or freezing boundary).

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Fuel efficiency

Fuel efficiency is a form of thermal efficiency, meaning the ratio from effort to result of a process that converts chemical potential energy contained in a carrier (fuel) into kinetic energy or work.

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Gas turbine

A gas turbine, also called a combustion turbine, is a type of continuous combustion, internal combustion engine.

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Geothermal power

Geothermal power is power generated by geothermal energy.

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Heat capacity

Heat capacity or thermal capacity is a measurable physical quantity equal to the ratio of the heat added to (or removed from) an object to the resulting temperature change.

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Heat pump

A heat pump is a device that transfers heat energy from a source of heat to what is called a "heat sink".

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Heat sink

A heat sink (also commonly spelled heatsink) is a passive heat exchanger that transfers the heat generated by an electronic or a mechanical device to a fluid medium, often air or a liquid coolant, where it is dissipated away from the device, thereby allowing regulation of the device's temperature at optimal levels.

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Heat transfer

Heat transfer is a discipline of thermal engineering that concerns the generation, use, conversion, and exchange of thermal energy (heat) between physical systems.

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Horsepower (hp) is a unit of measurement of power (the rate at which work is done).

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A steam injector is typically used to deliver cold water to a boiler against its own pressure using its own live or exhaust steam, replacing any mechanical pump.

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Internal combustion engine

An internal combustion engine (ICE) is a heat engine where the combustion of a fuel occurs with an oxidizer (usually air) in a combustion chamber that is an integral part of the working fluid flow circuit.

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Isentropic process

In thermodynamics, an isentropic process is an idealized thermodynamic process that is both adiabatic and reversible.

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Isobaric process

An isobaric process is a thermodynamic process in which the pressure stays constant: ΔP.

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Isochoric process

An isochoric process, also called a constant-volume process, an isovolumetric process, or an isometric process, is a thermodynamic process during which the volume of the closed system undergoing such a process remains constant.

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Isothermal process

An isothermal process is a change of a system, in which the temperature remains constant: ΔT.

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John Ericsson

John Ericsson (born Johan) (July 31, 1803 – March 8, 1889) was a Swedish-American inventor, active in England and the United States, and regarded as one of the most influential mechanical engineers ever.

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John Wiley & Sons

John Wiley & Sons, Inc., also referred to as Wiley, is a global publishing company that specializes in academic publishing.

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Johnson thermoelectric energy converter

A Johnson thermoelectric energy converter or JTEC is a type of solid-state heat engine that uses the electrochemical oxidation and reduction of hydrogen in a two-cell, thermal cycle that approximates the Ericsson cycle.

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Kalina cycle

The Kalina cycle, developed by Dr.

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The Kelvin scale is an absolute thermodynamic temperature scale using as its null point absolute zero, the temperature at which all thermal motion ceases in the classical description of thermodynamics.

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Larderello is a frazione of the comune of Pomarance, in Tuscany in central Italy.

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Lenoir cycle

The Lenoir cycle is an idealized thermodynamic cycle often used to model a pulse jet engine.

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Magnetic refrigeration

Magnetic refrigeration is a cooling technology based on the magnetocaloric effect.

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Malone engine

The Malone engine is a liquid-based engine invented by J.F.J Malone of Newcastle, England.

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Mechanical energy

In physical sciences, mechanical energy is the sum of potential energy and kinetic energy.

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Miller cycle

In engineering, the Miller cycle is a thermodynamic cycle used in a type of internal combustion engine.

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Minto wheel

The Minto wheel is a heat engine named after Wally Minto.

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Nitrogen dioxide

Nitrogen dioxide is the chemical compound with the formula.

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In atmospheric chemistry, is a generic term for the nitrogen oxides that are most relevant for air pollution, namely nitric oxide (NO) and nitrogen dioxide.

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Nuclear power plant

A nuclear power plant or nuclear power station is a thermal power station in which the heat source is a nuclear reactor.

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Ocean thermal energy conversion

Ocean thermal energy conversion (OTEC) uses the temperature difference between cooler deep and warmer shallow or surface seawaters to run a heat engine and produce useful work, usually in the form of electricity.

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Organic Rankine cycle

The Organic Rankine Cycle (ORC) is named for its use of an organic, high molecular mass fluid with a liquid-vapor phase change, or boiling point, occurring at a lower temperature than the water-steam phase change.

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Otto cycle

An Otto cycle is an idealized thermodynamic cycle that describes the functioning of a typical spark ignition piston engine.

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Petrol engine

A petrol engine (known as a gasoline engine in American English) is an internal combustion engine with spark-ignition, designed to run on petrol (gasoline) and similar volatile fuels.

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Power density

Power density (or volume power density or volume specific power) is the amount of power (time rate of energy transfer) per unit volume.

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Pressure–volume diagram

A pressure–volume diagram (or PV diagram, or volume–pressure loop) is used to describe corresponding changes in volume and pressure in a system.

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A pulsejet engine (or pulse jet) is a type of jet engine in which combustion occurs in pulses.

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Rankine cycle

The Rankine cycle is a model used to predict the performance of steam turbine systems.

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Rankine scale

The Rankine scale is an absolute scale of thermodynamic temperature named after the Glasgow University engineer and physicist William John Macquorn Rankine, who proposed it in 1859.

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Reciprocating engine

A reciprocating engine, also often known as a piston engine, is typically a heat engine (although there are also pneumatic and hydraulic reciprocating engines) that uses one or more reciprocating pistons to convert pressure into a rotating motion.

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A refrigerator (colloquially fridge, or fridgefreezer in the UK) is a popular household appliance that consists of a thermally insulated compartment and a heat pump (mechanical, electronic or chemical) that transfers heat from the inside of the fridge to its external environment so that the inside of the fridge is cooled to a temperature below the ambient temperature of the room.

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Regenerative cooling

Regenerative cooling is a method of cooling gases in which compressed gas is cooled by allowing it to expand and thereby take heat from the surroundings.

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ResearchGate is a social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators.

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Reversible process (thermodynamics)

In thermodynamics, a reversible process is a process whose direction can be "reversed" by inducing infinitesimal changes to some property of the system via its surroundings, with no increase in entropy.

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Second law of thermodynamics

The second law of thermodynamics states that the total entropy of an isolated system can never decrease over time.

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Steam engine

A steam engine is a heat engine that performs mechanical work using steam as its working fluid.

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Stirling cycle

The Stirling cycle is a thermodynamic cycle that describes the general class of Stirling devices.

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Stirling engine

A Stirling engine is a heat engine that operates by cyclic compression and expansion of air or other gas (the working fluid) at different temperatures, such that there is a net conversion of heat energy to mechanical work.

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Sulfur dioxide

Sulfur dioxide (also sulphur dioxide in British English) is the chemical compound with the formula.

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Supercritical steam generator

A supercritical steam generator is a type of boiler that operates at supercritical pressure, frequently used in the production of electric power.

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Temperature is a physical quantity expressing hot and cold.

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Thermal efficiency

In thermodynamics, the thermal efficiency (\eta_ \) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, a steam turbine or a steam engine, a boiler, furnace, or a refrigerator for example.

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Thermal energy

Thermal energy is a term used loosely as a synonym for more rigorously-defined thermodynamic quantities such as the internal energy of a system; heat or sensible heat, which are defined as types of transfer of energy (as is work); or for the characteristic energy of a degree of freedom in a thermal system kT, where T is temperature and k is the Boltzmann constant.

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Thermal reservoir

A thermal reservoir, a short-form of thermal energy reservoir, or thermal bath is a thermodynamic system with a heat capacity that is large enough that when it is in thermal contact with another system of interest or its environment, its temperature remains effectively constant.

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Thermionic emission

Thermionic emission is the thermally induced flow of charge carriers from a surface or over a potential-energy barrier.

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Thermo-magnetic motor

Thermo-magnetic motors convert heat into mechanical work using the thermomagnetic effect, i.e., the influence of temperature on the magnetic material magnetization.

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Thermoacoustic heat engine

Thermoacoustic engines (sometimes called "TA engines") are thermoacoustic devices which use high-amplitude sound waves to pump heat from one place to another, or conversely use a heat difference to induce high-amplitude sound waves.

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Thermodynamic system

A thermodynamic system is the material and radiative content of a macroscopic volume in space, that can be adequately described by thermodynamic state variables such as temperature, entropy, internal energy, and pressure.

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Thermodynamic temperature

Thermodynamic temperature is the absolute measure of temperature and is one of the principal parameters of thermodynamics.

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Thermodynamics is the branch of physics concerned with heat and temperature and their relation to energy and work.

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Thermoelectric effect

The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa via a thermocouple.

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Thermogalvanic cell

A thermogalvanic cell is a kind of galvanic cell in which heat is employed to provide electrical power directly.

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Thermosynthesis is a theoretical mechanism proposed by Anthonie Muller for biological use of the free energy in a temperature gradient to drive energetically uphill anabolic reactions.

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Thermotunnel cooling

Thermotunnel cooling is similar to thermionic emission cooling in that fast moving electrons carry heat across a gap but cannot return due to a voltage difference.

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Timeline of heat engine technology

This Timeline of heat engine technology describes how heat engines have been known since antiquity but have been made into increasingly useful devices since the 17th century as a better understanding of the processes involved was gained.

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Vapor-compression refrigeration

Vapor-compression refrigeration or vapor-compression refrigeration system (VCRS), in which the refrigerant undergoes phase changes, is one of the many refrigeration cycles and is the most widely used method for air-conditioning of buildings and automobiles.

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West Thurrock

West Thurrock is a traditional Church of England parish and town in Thurrock, Essex, England, located 17.5 miles (28.1 km) east south-east of Charing Cross, London.

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Work (physics)

In physics, a force is said to do work if, when acting, there is a displacement of the point of application in the direction of the force.

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Xenon is a chemical element with symbol Xe and atomic number 54.

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Carnot efficiency, Cycle efficiency, Heat Engine, Heat engines, Mechanical heat engine, Minto engine, Thermal Engines, Thermal engine, Thermodynamic motor.


[1] https://en.wikipedia.org/wiki/Heat_engine

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