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  2. Dilution refrigerator - Wikipedia

    en.wikipedia.org/wiki/Dilution_refrigerator

    Pulse tube coolers are commonly used cryocoolers in dry dilution refrigerators. Dry dilution refrigerators generally follow one of two designs. One design incorporates an inner vacuum can, which is used to initially precool the machine from room temperature down to the base temperature of the pulse tube cooler (using heat-exchange gas).

  3. Pulse tube refrigerator - Wikipedia

    en.wikipedia.org/wiki/Pulse_tube_refrigerator

    a heat exchanger X 3 near room temperature where heat is released to the surroundings; a flow resistance (often called orifice) a buffer volume (a large closed volume at practically constant pressure) Figure 2: Left: (near X 2): a gas element enters the tube with temperature T L and leaves it with a lower temperature.

  4. Cryocooler - Wikipedia

    en.wikipedia.org/wiki/Cryocooler

    Fig.1 Schematic diagram of a Stirling cooler. The system has one piston at ambient temperature T a and one piston at low temperature T L. The basic type of Stirling-type cooler is depicted in Fig.1. It consists of (from left to right): a piston; a compression space and heat exchanger (all at ambient temperature T a) a regenerator; a heat exchanger

  5. Yeti's Industry-Leading Coolers and Tumblers Are Still on ...

    www.aol.com/best-prime-day-yeti-deals-100000415.html

    Keep drinks ice-cold this summer with these hot deals on insulated tumblers and drinkware, along with the top-rated Yeti Tundra cooler for sale after Prime Day. Yeti's Industry-Leading Coolers and ...

  6. Absorption refrigerator - Wikipedia

    en.wikipedia.org/wiki/Absorption_refrigerator

    Common absorption refrigerators use a refrigerant with a very low boiling point (less than −18 °C (0 °F)) just like compressor refrigerators.Compression refrigerators typically use an HCFC or HFC, while absorption refrigerators typically use ammonia or water and need at least a second fluid able to absorb the coolant, the absorbent, respectively water (for ammonia) or brine (for water).

  7. Ice storage air conditioning - Wikipedia

    en.wikipedia.org/wiki/Ice_storage_air_conditioning

    Such a system usually runs in ice-making mode for 16 to 18 hours a day and in ice-melting mode for six hours a day. Capital expenditures are minimized because the chillers can be just 40 - 50% of the size needed for a conventional design. Ice storage sufficient to store half a day's rejected heat is usually adequate.

  8. Cooler - Wikipedia

    en.wikipedia.org/wiki/Cooler

    Portable Ice Chest, U.S. Patent # 2,663,167 (1953) A cooler, portable ice chest, ice box, cool box, [1] chilly bin (in New Zealand), or esky is an insulated box used to keep food or drink cool. Ice cubes are most commonly placed in it to help the contents inside stay cool.

  9. People keep getting gored by bison. Experts weigh in on why ...

    www.aol.com/lifestyle/people-keep-getting-gored...

    Last year, a 25-year-old woman was gored by a bison after getting within 10 feet of the animal, according to a press release from park officials. "Bison have injured more people in Yellowstone ...

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