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  2. Heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Heat_exchanger

    Tubular heat exchanger Partial view into inlet plenum of shell and tube heat exchanger of a refrigerant based chiller for providing air-conditioning to a building. A heat exchanger is a system used to transfer heat between a source and a working fluid. Heat exchangers are used in both cooling and heating processes. [1]

  3. NTU method - Wikipedia

    en.wikipedia.org/wiki/NTU_Method

    At this point, all of the same heat transfer effectiveness-NTU correlations will accurately predict the mass transfer performance, as long as the heat transfer terms in the definition of NTU have been replaced by the mass transfer terms, as shown above. Similarly, it follows that the definition of becomes:

  4. Thermal efficiency - Wikipedia

    en.wikipedia.org/wiki/Thermal_efficiency

    The role of a heat exchanger is to transfer heat between two mediums, so the performance of the heat exchanger is closely related to energy or thermal efficiency. [11] A counter flow heat exchanger is the most efficient type of heat exchanger in transferring heat energy from one circuit to the other [citation needed].

  5. Thermoelectric cooling - Wikipedia

    en.wikipedia.org/wiki/Thermoelectric_cooling

    Peltier (thermoelectric) performance is a function of ambient temperature, hot and cold side heat exchanger performance, thermal load, Peltier module (thermopile) geometry, and Peltier electrical parameters. [7] The amount of heat that can be moved is proportional to the current and time.

  6. Shell-and-tube heat exchanger - Wikipedia

    en.wikipedia.org/wiki/Shell-and-tube_heat_exchanger

    A shell-and-tube heat exchanger is a class of heat exchanger designs. [1] [2] It is the most common type of heat exchanger in oil refineries and other large chemical processes, and is suited for higher-pressure applications. As its name implies, this type of heat exchanger consists of a shell (a large pressure vessel) with a bundle of tubes ...

  7. Heat transfer enhancement - Wikipedia

    en.wikipedia.org/wiki/Heat_transfer_enhancement

    In order to enhance the performance of the heat exchanger, the term, must be increased. For achieving a reduced thermal resistance, the enhanced surface geometry may be used to increase one or both terms h A L {\displaystyle {hA \over L}} in relation to the plain surfaces, leading to a reduced thermal resistance per unit tube length, L U A ...

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