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Analytical and experimental studies of wire mesh packed double-pass solar air heaters under recycling operation

類別:期刊論文

學年 / 學期:104-1

出版日期:2015-08-01 00:00:00

著者:Ho, Chii-Dong; Chang, Hsuan; Lin, Chun-Sheng; Chao, Chun-Chieh; Tien, Yi-En

著錄名稱、卷期、頁數:Energy Procedia 75, pp.403-409

摘要:The device performance of a solar air heater featured with recycling as well as wire mesh packed was investigated experimentally and theoretically. The deviations between the theoretical predictions and experimental measurements were calculated within 1.07-9.32%. Comparisons were made among different designs including the single-pass, flat-plate double-pass, and recycling wire mesh packed double-pass operations. The applications of wire mesh and recycle-effect concept to the present study were proposed in aiming to strengthen the convective heat transfer coefficient due to the turbulence enlargement. The collector efficiency of the recycling wire mesh packed double-pass operation is much higher than the other configurations under various recycle ratios and mass flow rates.

關鍵字:Wire mesh packed;Heat-transfer efficiency;Recycling double-pass;Solar air heater.

語言:en_US

ISSN:1876-6102

期刊性質:國外

收錄於:EI

通訊作者:Ho, Chii-Dong

審稿制度:

國別:USA

出版型式:電子版