405 ヒートアイランド問題に関する都市空調システムの検討 : 第6報:ビル用マルチエアコンの実性能予測(省エネルギー(2),環境保全型エネルギー技術)

概要

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Sprit type air conditioners are on the increase for large building because of easy installed. Increase in sprit type air conditioners had air cooled heat exchangers, for example multi-type packaged unit system, causes increase in amount of sensible exhaust heat generated when they are at work. The likely explanation that this is one of causes of heat island phenomena is being discussed. In this study, the method of prediction for multi-type packaged unit system performances was devised, and COP and amount of exhaust heat from multi-type packaged unit system during operation were predicted. As a result, the higher outdoor temperature, the lower COP became. COP difference between our prediction and a test operated Daikin Industries, Ltd., falls within 0.5% under the influences of outdoor temperature. On the other hand, exhaust heat from sprit type air conditioners during one day which was predicted in sever hot day was occurred about 11 % larger than in standard summer day.
一般社団法人日本機械学会の論文
2008-07-09