| 標題：The Influences of Recycle on a Double-Pass Laminar Counterflow Concentric-Tube Heat Exchangers with Sinusoidal Wall Fluxes |
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| 學年 | 97 |
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| 學期 | 2 |
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| 出版（發表）日期 | 2009/07/01 |
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| 作品名稱 | The Influences of Recycle on a Double-Pass Laminar Counterflow Concentric-Tube Heat Exchangers with Sinusoidal Wall Fluxes |
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| 作品名稱（其他語言） | |
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| 著者 | Chii-Dong Ho; Tsung-Lieh Hsien; Hsuan Chang; Jr-Wei Tu; Chih-Ming Yang |
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| 單位 | |
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| 出版者 | |
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| 著錄名稱、卷期、頁數 | International Communications in Heat and Mass Transfer 36(6), p.579-584 |
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| 摘要 | The effects of external recycle at the ends on double-pass laminar countercurrent heat exchangers with sinusoidal heat flux distribution are investigated analytically by setting a general solution to separate the original boundary value problem into a partial differential equation, which is solved by Frobenius method, and an ordinary differential equation. Analytical results show that recycle effects enhance the heat-transfer efficiency due to that the desirable effect of forced-convection increment has more influence than the undesirable effect of the heat-transfer driving-force decrement, and hence the forced-convection increment by increasing the recycle ratio leads to improved device performance in heat-transfer rate as compared with that in the single-pass operation (without an impermeable sheet inserted). |
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| 關鍵字 | Sinusoidal heat fluxes;Heat transfer;Recycle effect;Double-pass operation;Concentric heat exchanger |
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| 語言 | 英文 |
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| ISSN | 1879-0178 |
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| 期刊性質 | 國外 |
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| 收錄於 | SCI;EI; |
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| 產學合作 | |
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| 通訊作者 | Chii-Dong Ho |
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| 審稿制度 | 是 |
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| 國別 | 美國 |
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| 公開徵稿 | |
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| 出版型式 | ,電子版 |
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| 相關連結 | |
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