教師資料查詢 | 類別: 期刊論文 | 教師: 何啟東 Ho, Chii-dong (瀏覽個人網頁)

標題:Heat transfer modeling of conjugated Graetz problems in double-pass parallel-plate heat exchangers under asymmetric wall temperatures
學年101
學期2
出版(發表)日期2013/07/01
作品名稱Heat transfer modeling of conjugated Graetz problems in double-pass parallel-plate heat exchangers under asymmetric wall temperatures
作品名稱(其他語言)
著者Chii-Dong Ho; Yi-Chin Chen; Hsung Chang; Shung-Wen Kang
單位
出版者
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
語言英文
ISSN
期刊性質國內
收錄於SCI;EI;
產學合作
通訊作者
審稿制度
國別中華民國
公開徵稿
出版型式,電子版
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