出版日期：2013-07-01 00:00:00

著者：Chii-Dong Ho; Yi-Chin Chen; Hsung Chang; Shung-Wen Kang

著錄名稱、卷期、頁數：Journal of the Chinese Institute of Engineers 36(5), pp.647-657

摘要：The heat transfer of a Graetz problem is investigated theoretically. The problem involves an improvement to the design of a parallel-plate heat exchanger using an inserted plate which forms a double-pass device with recycle operation. The parallel plates are at different temperatures. The theoretical mathematical model is solved analytically using the separation of variables, superposition principle, and an orthogonal expansion technique in extended power series. Significant heat transfer improvement can be realized by the design compared to a single-pass device. The improvement is greater for a larger Graetz number system. For a small Graetz number system, the single-pass design is preferred. The optimal location of the inserted plate is when the two subchannels are at the same height.

關鍵字：conjugated Graetz problems;asymmetric wall temperature;double-pass operation;performance improvement

語言：en

期刊性質：國內

收錄於：SCI EI

審稿制度：否

國別：TWN

出版型式：電子版