| 师晋生,吕洪玉,卞学询.矩形肋槽烘缸内壁面的传热系数[J].中国造纸学报,2016,31(1):47-51 |
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| Heat Transfer Coefficients on the Inside Walls of a Rectangular Ribbed Cylindrical Dryer |
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| DOI：10.11981/j.issn.1000-6842.2016.01.47 |
| Key Words:ribbed cylindrical dryer saturated steam heat transfer coefficient thermal resistance |
| Fund Project:本课题获得天津市应用基础研究计划面上项目(07JCYBJC01300)的支持。 |
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| Abstract: |
| Based on the application of relevant theories and experimental results in heat transfer to denl with the heat transfer on a rectangular ribbed cylindrical dryer, condensation heat transfer of saturated steam on the rib tip and flank, and the convective heat transfer of condensate on the rib groove bottom were analyzed, and the condensation formulas of the heat transfer coefficients were deduced respectively, which could be used as a reference in the calculation of heat transfer from the rectangular ribbed dryer to the paper. The preliminary investigation results showed that a wider and shorter rib might result in a better heat transfer, the thermal resistance of the inside wall was the smallest, the dryer shell was the next, and the outside wall was the largest. |
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