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Heating and Cooling of Buildings with Air Cycles

机译：使用空中循环加热和冷却建筑物

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Air cycle refrigeration, sometimes known as the Joule cycle or reversed Brayton cycle, is a sub-set of the gas cycle. The attraction of using air as a refrigerant is obvious; air is free, safe and harmless to the environment. This contrasts sharply with the majority of refrigerants used in conventional vapour compression systems which are either environmentally harmful or are potentially hazardous by being toxic or flammable. Air cycles are the basis of most aircraft cooling and cabin air conditioning systems. Attempts to develop air cycle systems for buildings and other land based applications has to date only met with limited success, partly due to the perceived low energy efficiency of air cycle systems. This paper describes ongoing work by the University of Bristol and BRE to develop and demonstrate an air cycle system to providing cooling and heating in buildings, with similar or lower energy consumption and CO{sub}2 emissions compared with conventional heating and cooling plant.
机译：空气循环制冷，有时称为焦耳循环或逆转布雷顿循环，是气体循环的子集。使用空气作为制冷剂的吸引力是显而易见的;空气是免费的，安全和无害的环境。这与传统蒸汽压缩系统中使用的大多数制冷剂急剧形成对比，这些制冷剂通过毒性或易燃而受到环境有害或潜在危险的。空中循环是大多数飞机冷却和机舱空调系统的基础。目前只能达到有限的成功，开发建筑物和其他陆地应用程序的空中循环系统，部分原因是由于空中循环系统的低能量效率的效率有限。本文介绍了布里斯托尔大学的持续工作，并Bre开发和展示一个空中循环系统，以在建筑物中提供冷却和加热，与传统的加热和冷却厂相比，具有相似或更低的能量消耗和CO {Sub} 2排放。

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