制冷,制冷设备,制冷技术

制冷

  • [Refrigeration equipments] Vapor-compression cycle 日期:2013-01-08 11:16:14 点击:92 好评:2

    The vapor-compression cycle is used in most household refrigerators as well as in many large commercial and industrial refrigeration systems. Figure 1 provides a schematic diagram of the components of a typical vapor-compression refrigerat...

  • [Refrigeration equipments] Unit of refrigeration 日期:2013-01-08 10:50:41 点击:146 好评:0

    The measured capacity of refrigeration is always dimensioned in units of power. Domestic and commercial refrigerators may be rated in kJ/s, or Btu/h of cooling. For commercial and industrial refrigeration systems, most of the world uses th...

  • [Refrigeration equipments] Non-cyclic refrigeration 日期:2013-01-08 10:45:19 点击:169 好评:0

    In non-cyclic refrigeration, cooling is accomplished by melting ice or by subliming dry ice (frozen carbon dioxide). These methods are used for small-scale refrigeration such as in laboratories and workshops, or in portable coolers. Ice ow...

  • [Refrigeration equipments] Current applications of refrigeration 日期:2013-01-08 10:43:58 点击:141 好评:0

    Probably the most widely used current applications of refrigeration are for air conditioning of private homes and public buildings, and refrigerating foodstuffs in homes, restaurants and large storage warehouses. The use of refrigerators i...

  • [Refrigeration equipments] First refrigeration systems 日期:2013-01-08 10:41:54 点击:100 好评:0

    The first known method of artificial refrigeration was demonstrated by William Cullen at the University of Glasgow in Scotland in 1756. Cullen used a pump to create a partial vacuum over a container of diethyl ether , which then boiled , a...

  • [Refrigeration equipments] Snowbird Environmental Systems wins $9M Navy contract 日期:2012-09-10 16:44:35 点击:101 好评:0

    Snowbird Environmental Systems of Jacksonville has won a maximum $9 million contract for landing craft air cushion air conditioners for the Navy. The work is expected to be completed by Aug. 5, 2013, the Defense Department said in a news r...

  • [Refrigeration equipments] New Technologies to Reduce Refrigerants’ Environmental Impa 日期:2012-09-10 16:42:11 点击:194 好评:0

    Neu-Isenburg, August 2012. At Chillventa 2012 from October 9 to 11 in Nuremberg, DuPont Refrigerants (Hall 4, Booth 410) will be showcasing new refrigerant solutions that will significantly reduce the environmental impact of refrigeration...

  • [Refrigeration equipments] Retailers: Take SN’s Refrigeration Survey 日期:2012-09-10 16:39:51 点击:149 好评:0

    SN has launched its first annual Supermarket News Refrigeration Survey , which looks at the refrigeration practices within food retailers. Food retailers and wholesalers with corporate stores are invited to answer as many questions as poss...

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