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  2. Vapor-compression refrigeration - Wikipedia

    en.wikipedia.org/.../Vapor-compression_refrigeration

    The condensed liquid refrigerant, in the thermodynamic state known as a saturated liquid, is next routed through an expansion valve where it undergoes an abrupt reduction in pressure. That pressure reduction results in the adiabatic flash evaporation of a part of the liquid refrigerant. The auto-refrigeration effect of the adiabatic flash ...

  3. Flash-gas (refrigeration) - Wikipedia

    en.wikipedia.org/wiki/Flash-gas_(refrigeration)

    If the system's refrigerant is degenerate, flash-gas may also be produced, as physical properties of the fluid change. This happens because the piping is designed for a specific refrigerant mixture that allows liquid in the liquid line, given certain thermodynamic conditions. If the refrigerant mixture changes its composition considerably, the ...

  4. Refrigeration - Wikipedia

    en.wikipedia.org/wiki/Refrigeration

    Between points 4 and 5, the liquid refrigerant goes through the expansion valve (also called a throttle valve) where its pressure abruptly decreases, causing flash evaporation and auto-refrigeration of, typically, less than half of the liquid. That results in a mixture of liquid and vapour at a lower temperature and pressure as shown at point 5.

  5. Thermal expansion valve - Wikipedia

    en.wikipedia.org/wiki/Thermal_expansion_valve

    A thermal expansion valve or thermostatic expansion valve (often abbreviated as TEV, TXV, or TX valve) is a component in vapor-compression refrigeration and air conditioning systems that controls the amount of refrigerant released into the evaporator and is intended to regulate the superheat of the refrigerant that flows out of the evaporator ...

  6. Flash evaporation - Wikipedia

    en.wikipedia.org/wiki/Flash_evaporation

    If the throttling valve or device is located at the entry into a pressure vessel so that the flash evaporation occurs within the vessel, then the vessel is often referred to as a flash drum. [1] [2] If the saturated liquid is a single-component liquid (for example, propane or liquid ammonia), a part

  7. Subcooling - Wikipedia

    en.wikipedia.org/wiki/Subcooling

    In refrigeration systems, a subcooled liquid is the convenient state in which refrigerants may undergo the remaining stages of a refrigeration cycle. [1] Normally, a refrigeration system has a subcooling stage, allowing technicians to be certain that the quality, in which the refrigerant reaches the next step on the cycle , is the desired one.

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