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  2. SPX Corporation - Wikipedia

    en.wikipedia.org/wiki/SPX_Corporation

    SPX Corporation is an American manufacturing company, headquartered in Charlotte, North Carolina. [ 2 ] [ 3 ] [ 4 ] The company operates within four markets: heating, ventilation, and air conditioning ( HVAC ), detection and measurement, power transmission and generation, and engineered solutions.

  3. Cascade refrigeration - Wikipedia

    en.wikipedia.org/wiki/Cascade_refrigeration

    A two-cycle cascade refrigeration process schematic diagram. A cascade refrigeration cycle is a multi-stage thermodynamic cycle. An example two-stage process is shown at right. (Bottom on mobile) The cascade cycle is often employed for devices such as ULT freezers. [1]

  4. Dilution refrigerator - Wikipedia

    en.wikipedia.org/wiki/Dilution_refrigerator

    Schematic diagram of a cryogen-free, or dry, dilution refrigerator precooled by a two-stage pulse tube refrigerator, indicated by the dotted rectangle. A 3 He/ 4 He dilution refrigerator is a cryogenic device that provides continuous cooling to temperatures as low as 2 mK, with no moving parts in the low-temperature region.

  5. Heat recovery steam generator - Wikipedia

    en.wikipedia.org/wiki/Heat_recovery_steam_generator

    The HRSG can recover the heat from the gas turbine to produce steam/hot water for district heating or cooling. Large ocean vessels (e.g. Emma Maersk ) make use of heat recovery so that their oil-fired boilers can be shut down while underway.

  6. Heat pump and refrigeration cycle - Wikipedia

    en.wikipedia.org/wiki/Heat_pump_and...

    Thermodynamic heat pump cycles or refrigeration cycles are the conceptual and mathematical models for heat pump, air conditioning and refrigeration systems. [1] A heat pump is a mechanical system that transmits heat from one location (the "source") at a certain temperature to another location (the "sink" or "heat sink") at a higher temperature. [2]

  7. Top Trump, Biden, and Harris Advisers Spill the Tea on 2024

    www.aol.com/top-trump-biden-harris-advisers...

    President-elect Donald Trump; Vice President Kamala Harris Credit - Chris Unger—Zuffa LLC/Getty Images; Al Drago—Bloomberg/Getty Images. This article is part of The D.C. Brief, TIME’s ...

  8. Turbine inlet air cooling - Wikipedia

    en.wikipedia.org/wiki/Turbine_Inlet_Air_Cooling

    Turbine inlet air cooling filter-house modification to place the cooling coil coming from ammonia compression chiller plant. In a mechanical compression chiller technology, the coolant is circulated through a chilling coil heat exchanger that is inserted in the filter house, downstream from the filtering stage. Downstream from the coil, a ...

  9. 30 Color Photos Photographers Took 100 Years Ago That Still ...

    www.aol.com/44-old-color-photos-showing...

    Image credits: Detroit Photograph Company "There was a two-color process invented around 1913 by Kodak that used two glass plates in contact with each other, one being red-orange and the other ...