https://scholars.lib.ntu.edu.tw/handle/123456789/407824
標題: | Condensation performance in horizontal tubes with second-law consideration | 作者: | Lin W.W. Lee D.J. Peng X.F. |
關鍵字: | Cooling temperature;Film condensation;Optimal Reynolds number;Second-law | 公開日期: | 2001 | 卷: | 25 | 期: | 11 | 起(迄)頁: | 1005-1018 | 來源出版物: | International Journal of Energy Research | 摘要: | This study conducted the second-law analysis on a saturated FC-22 vapour flowing through and condensed in horizontal cooling tubes. The optimum Reynolds number exists over the parametric range for the single tube case at which the entropy generates at a minimum rate. For the multi-tube cases, no optimal Reynolds number is identified under the constant surface-area constraint. Apparently, there exists an optimal cooling temperature that generates a minimum of entropy for a given duty, which depends strongly upon many process parameters like mass flow rate and tube geometry. Copyright ? 2001 John Wiley and Sons, Ltd. |
URI: | https://scholars.lib.ntu.edu.tw/handle/123456789/407824 | ISSN: | 0363907X | DOI: | 10.1002/er.737 |
顯示於: | 化學工程學系 |
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