Evaluation of Annual Performance of Multi-type Air-conditioners for Buildings

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概要

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• The partial thermal load performance tests of electric-motor driven multi-type air-conditioners for buildings, the rated cooling and heating capacities of which were 56 kW and 63 kW, respectively, were carried out using the air-enthalpy method testing apparatus. Based on the results of those tests, the applicability of JIS B 8616: 2006, which was developed for the estimation of the annual electricity consumption of packaged air-conditioners with rated cooling capacities less than 28 kW, to the multi-type air-conditioners with larger capacities were examined. It was found that JIS B 8616: 2006 generally overestimates COP under a relatively low thermal load operation. As a result, the annual electricity consumption is underestimated by JIS. The prediction error changes depending of the building uses, and it amounted to -17 % in the case of office and -6 % in the detached shop.

著者

• Nakayama Hiroshi

  Research And Development Division Sony Magnetic Products Inc.

• Hirota Masafumi

  Department Of Mechanical Engineering Mie University

• HIROTA Masafumi

  Department of Mechanical Engineering, Mie University

• WATANABE Choyu

  Research and Development Division, Chubu Electric Power Co., Inc.

• OHASHI Ei-ichiro

  Department of Micro/Nano Systems Engineering, Nagoya University

• NAGAMATSU Katsuaki

  Research and Development Division, Chubu Electric Power Co., Inc.

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• Evaluation of Annual Performance of Multi-type Air-conditioners for Buildings

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