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Waste heat recovery unit, the Glossary

A waste heat recovery unit (WHRU) is an energy recovery heat exchanger that transfers heat from process outputs at high temperature to another part of the process for some purpose, usually increased efficiency.^[1]

42 relations: Absorption refrigerator, Air conditioning, Air pollution, Antilag system, Cogeneration, Cooling tower, Cyclone Waste Heat Engine, Direct current, Economizer, Electric turbo-compound, Energy recovery, European Commission, Exhaust gas, Exhaust heat recovery system, Flue gas, Formula One, Heat exchanger, Heat pipe, Heat pump, Heat recovery steam generator, Office of Energy Efficiency and Renewable Energy, Organic Rankine cycle, Pinch analysis, Quenching, Recuperator, Regenerative heat exchanger, Run-around coil, Shape-memory alloy, SHARC International Systems Inc., Slag, Solar thermal collector, Steel mill, Steelmaking, Superheater, Thermal oxidizer, Thermal pollution, Thermal wheel, Thermoelectric effect, United States Department of Energy, Waste-to-energy plant, Wastewater, Working fluid.
Energy recovery
Heat exchangers

Absorption refrigerator

An absorption refrigerator is a refrigerator that uses a heat source to provide the energy needed to drive the cooling process. Waste heat recovery unit and absorption refrigerator are cooling technology.

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Air conditioning

Air conditioning, often abbreviated as A/C (US) or air con (UK), is the process of removing heat from an enclosed space to achieve a more comfortable interior temperature (sometimes referred to as 'comfort cooling') and in some cases also strictly controlling the humidity of internal air. Waste heat recovery unit and air conditioning are cooling technology.

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Air pollution

Air pollution is the contamination of air due to the presence of substances called pollutants in the atmosphere that are harmful to the health of humans and other living beings, or cause damage to the climate or to materials.

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Antilag system

The anti-lag system (ALS) is a method of reducing turbo lag or effective compression used on turbocharged engines to minimize turbo lag on racing or performance cars.

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Cogeneration

Cogeneration or combined heat and power (CHP) is the use of a heat engine or power station to generate electricity and useful heat at the same time. Waste heat recovery unit and Cogeneration are Renewable energy.

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Cooling tower

A cooling tower is a device that rejects waste heat to the atmosphere through the cooling of a coolant stream, usually a water stream, to a lower temperature. Waste heat recovery unit and cooling tower are cooling technology.

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Cyclone Waste Heat Engine

The Cyclone Waste Heat Engine (WHE) is a small steam engine developed to produce power from steam created from waste heat.

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Direct current

Direct current (DC) is one-directional flow of electric charge.

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Economizer

Economizers (US and Oxford spelling), or economisers (UK), are mechanical devices intended to reduce energy consumption, or to perform useful function such as preheating a fluid. Waste heat recovery unit and Economizer are energy recovery.

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Electric turbo-compound

An electric turbo-compound (ETC) system is defined where a turbine coupled to a generator (turbogenerator) is located in the exhaust gas flow of a reciprocating engine to harvest waste heat energy and convert it into electrical power.

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Energy recovery

Energy recovery includes any technique or method of minimizing the input of energy to an overall system by the exchange of energy from one sub-system of the overall system with another.

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European Commission

The European Commission (EC) is the primary executive arm of the European Union (EU).

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Exhaust gas

Exhaust gas or flue gas is emitted as a result of the combustion of fuels such as natural gas, gasoline (petrol), diesel fuel, fuel oil, biodiesel blends, or coal.

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Exhaust heat recovery system

An exhaust heat recovery system turns waste heat energy in exhaust gases into electric energy for batteries or mechanical energy reintroduced on the crankshaft. Waste heat recovery unit and exhaust heat recovery system are energy recovery.

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Flue gas

Flue gas is the gas exiting to the atmosphere via a flue, which is a pipe or channel for conveying exhaust gases, as from a fireplace, oven, furnace, boiler or steam generator.

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Formula One

Formula One, commonly known as Formula 1 or F1, is the highest class of international racing for open-wheel single-seater formula racing cars sanctioned by the Fédération Internationale de l'Automobile (FIA).

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Heat exchanger

A heat exchanger is a system used to transfer heat between a source and a working fluid. Waste heat recovery unit and heat exchanger are heat exchangers.

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Heat pipe

A heat pipe is a heat-transfer device that employs phase transition to transfer heat between two solid interfaces.

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Heat pump

A heat pump is a device that consumes work (or electricity) to transfer heat from a cold heat sink to a hot heat sink. Waste heat recovery unit and heat pump are energy recovery.

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Heat recovery steam generator

A heat recovery steam generator (HRSG) is an energy recovery heat exchanger that recovers heat from a hot gas stream, such as a combustion turbine or other waste gas stream. Waste heat recovery unit and heat recovery steam generator are energy recovery.

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Office of Energy Efficiency and Renewable Energy

The Office of Energy Efficiency and Renewable Energy (EERE) is an office within the United States Department of Energy.

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Organic Rankine cycle

In thermal engineering, the organic Rankine cycle (ORC) is a type of thermodynamic cycle.

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Pinch analysis

Pinch analysis is a methodology for minimising energy consumption of chemical processes by calculating thermodynamically feasible energy targets (or minimum energy consumption) and achieving them by optimising heat recovery systems, energy supply methods and process operating conditions. Waste heat recovery unit and Pinch analysis are energy recovery and heat exchangers.

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Quenching

In materials science, quenching is the rapid cooling of a workpiece in water, gas, oil, polymer, air, or other fluids to obtain certain material properties.

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Recuperator

A recuperator is a special purpose counter-flow energy recovery heat exchanger positioned within the supply and exhaust air streams of an air handling system, or in the exhaust gases of an industrial process, in order to recover the waste heat. Waste heat recovery unit and recuperator are energy recovery and heat exchangers.

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Regenerative heat exchanger

A regenerative heat exchanger, or more commonly a regenerator, is a type of heat exchanger where heat from the hot fluid is intermittently stored in a thermal storage medium before it is transferred to the cold fluid. Waste heat recovery unit and regenerative heat exchanger are energy recovery and heat exchangers.

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Run-around coil

air handling units on the roof of an office building A run-around coil is a type of energy recovery heat exchanger most often positioned within the supply and exhaust air streams of an air handling system, or in the exhaust gases of an industrial process, to recover the heat energy. Waste heat recovery unit and run-around coil are energy recovery.

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Shape-memory alloy

In metallurgy, a shape-memory alloy (SMA) is an alloy that can be deformed when cold but returns to its pre-deformed ("remembered") shape when heated.

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SHARC International Systems Inc.

SHARC International Systems Inc. (CSE: SHRC), DBA SHARC Energy Systems, is a Canadian company, based in Vancouver, British Columbia, that specializes in wastewater heat recovery.

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Slag

Slag is a by-product of smelting (pyrometallurgical) ores and recycled metals.

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Solar thermal collector

A solar thermal collector collects heat by absorbing sunlight. Waste heat recovery unit and solar thermal collector are Renewable energy.

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Steel mill

A steel mill or steelworks is an industrial plant for the manufacture of steel.

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Steelmaking

Steelmaking is the process of producing steel from iron ore and/or scrap.

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Superheater

A superheater is a device used to convert saturated steam or wet steam into superheated steam or dry steam.

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Thermal oxidizer

A thermal oxidizer (also known as thermal oxidiser, or thermal incinerator) is a process unit for air pollution control in many chemical plants that decomposes hazardous gases at a high temperature and releases them into the atmosphere.

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Thermal pollution

Thermal pollution, sometimes called "thermal enrichment", is the degradation of water quality by any process that changes ambient water temperature. Waste heat recovery unit and Thermal pollution are cooling technology.

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Thermal wheel

A thermal wheel, also known as a rotary heat exchanger, or rotary air-to-air enthalpy wheel, energy recovery wheel, or heat recovery wheel, is a type of energy recovery heat exchanger positioned within the supply and exhaust air streams of air-handling units or rooftop units or in the exhaust gases of an industrial process, in order to recover the heat energy. Waste heat recovery unit and thermal wheel are energy recovery and heat exchangers.

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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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United States Department of Energy

The United States Department of Energy (DOE) is an executive department of the U.S. federal government that oversees U.S. national energy policy and energy production, the research and development of nuclear power, the military's nuclear weapons program, nuclear reactor production for the United States Navy, energy-related research, and energy conservation.

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References

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

Also known as Thermal Energy Recovery System, Waste heat recovery.

Waste heat recovery unit, the Glossary

Table of Contents

See also

Energy recovery

Heat exchangers

References