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AMMONIA IN SMALL CAPACITY HEAT PUMPAND REFRIGERATION SYSTEMS

机译：小容量热泵和制冷系统中的氨

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摘要

Ammonia has so far been used primarily in large size systems, e.g. industrial and commercialrnrefrigeration plants. For small capacities, halogenated hydrocarbon systems have totallyrndominated the market. As focus is directed towards natural refrigerants, due to the ODP andrnGWP of the halogenated hydrocarbons, it is of interest to investigate the possibilities andrnpossible advantages, and perhaps disadvantages, of using ammonia also in small capacityrnsystems.rnThis paper reports on the initial phase of an investigation concerning the possibilities ofrndesigning a small capacity (<10 Kw) heat pump or refrigeration system using ammonia asrnrefrigerant. The investigation includes a market search for suitable components. The system isrndesigned to mimic typical domestic heat pumps on the Swedish market. In the design, specialrnattention is paid to minimization of the refrigerant charge and material compatibility.
机译：迄今为止，氨主要用于大型系统中，例如氨气。工业和商业制冷厂。对于小容量，卤代烃系统已完全占领了市场。由于关注的焦点是天然制冷剂，由于卤代烃的ODP和GWP，研究在小容量系统中也使用氨的可能性和可能的​​优点，甚至是缺点，引起人们的兴趣。关于使用氨制冷剂设计小容量（<10 Kw）热泵或制冷系统的可能性的调查。调查包括寻找合适组件的市场。该系统被设计为模仿瑞典市场上的典型家用热泵。在设计中，要特别注意最小化制冷剂充注量和材料相容性。

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