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The Improvement of Collector Efficiency in Solar Air Heaters by Simultaneously Air Flow over and under the Absorbing Plate

類別:期刊論文

學年 / 學期:88-1

出版日期:1999-10-01 00:00:00

著者:Ho-Ming Yeh, Chii-Dong Ho and Jun-Ze Hou

著錄名稱、卷期、頁數:Energy 24(10), pp.857-871

摘要:The performance of double-flow type solar air heaters, in which air is flowing simultaneously over and under the absorbing plate, is more effective than that of the devices with only one flow channel over or under the absorbing plate because the heat-transfer area in double-flow systems is double. The effect of the fraction of mass flow rate in the upper or lower flow channel of a double-flow device on collector efficiencies, has also been investigated theoretically and experimentally. Considerable improvement in collector performance is obtained by employing a double-flow type solar air heater, instead of using a single-flow device, if the mass flow rates in both flow channels are kept the same.

語言:en

ISSN:1873-6785 0360-5442

期刊性質:國外

收錄於:SCI EI

通訊作者:Ho-Ming Yeh

審稿制度:

國別:GBR

出版型式:電子版,紙本