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gas-air heater

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  • Air preheater — An air preheater or air heater is a general term to describe any device designed to heat air before another process (for example, combustion in a boiler) with the primary objective of increasing the thermal efficiency of the process. They may be… …   Wikipedia

  • gas — gas1 [ gæs ] noun *** 1. ) uncount AMERICAN liquid fuel that is used for producing power in the engines of cars. British petrol: GASOLINE: get gas: We need to get some gas before we leave town. 2. ) count or uncount a substance such as air that… …   Usage of the words and phrases in modern English

  • gas — I UK [ɡæs] / US noun Word forms gas : singular gas plural gasses *** Differences between British and American English: gas: In the UK, gas usually refers to a clear substance like air that is burned to cook food or to heat your house: a gas… …   English dictionary

  • gas*/*/*/ — [gæs] noun I 1) [C/U] a substance such as air that is neither a solid nor a liquid gases such as carbon dioxide[/ex] 2) [U] a gas that is burned as fuel, for example to heat your house or cook food Can you smell gas?[/ex] a gas… …   Dictionary for writing and speaking English

  • Air cooling — is a method of dissipating heat. It works by making the object to be cooled have a larger surface area or have an increased flow of air over its surface, or both. An example of the former is to add fins to the surface of the object, either by… …   Wikipedia

  • Heater core — A heater core is a radiator like device used in heating the cabin of a vehicle. Hot coolant from the vehicle s engine is passed through a winding tube of the core, a heat exchanger between coolant and cabin air. Fins attached to the core tubes… …   Wikipedia

  • Gas heater — A gas heater is a device used to heat a room or outdoor area by burning natural gas or liquefied petroleum gas.The first gas heater made use of the same principles of the Bunsen burner invented in the previous year. It was first commercialized by …   Wikipedia

  • Air source heat pumps — An air source heat pump is a type of heat pump which use the outside air as a heat source or heat sink to heat or cool an interior space. Air source heat pumps are more efficient than oil, gas, and electric resistance heating in mild climates… …   Wikipedia

  • Air conditioner — For general aspects of air conditioning, see Air conditioning. A typical home air conditioning unit. An air conditioner (often referred to as AC) is a home appliance, system, or mechanism designed to dehumidify and extract heat from an area. The… …   Wikipedia

  • Air conditioning — The term air conditioning refers to the cooling and dehumidification of indoor air for thermal comfort. In a broader sense, the term can refer to any form of cooling, heating, ventilation or disinfection that modifies the condition of air.… …   Wikipedia

  • gas — gas1 W2S1 [gæs] n plural gases or gasses [Sense: 1 3, 6 9; Date: 1600 1700; : Modern Latin; Origin: Greek khaos empty space ; CHAOS] [Sense: 4 5; Date: 1900 2000; Origin: gasoline] …   Dictionary of contemporary English

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