本文对旋转热管内部工质的流动和传热机理开展研究,建立数学模型,采用VOF模型描述两相流动和传热传质过程,考虑了相变饱和温度和饱和压力的依变关系,获得了工质的速度、温度以及两相分布特性.研究表明,冷凝端和绝热端交界处热阻较大,壁面过冷度大;旋转热管轴向热阻很小,具有较好的等温性;随着传热量增大,冷凝端过冷度和蒸发端过热度均增大,总热阻增大.结果表明该方法可以较好地模拟旋转热管内工质的流动和传热特性.
参考文献
| [1] | Alessandro Franco;Maurizio Vaccaro .On the use of heat pipe principle for the exploitation of medium-low temperature geothermal resources[J].Applied thermal engineering: Design, processes, equipment, economics,2013(1/2):189-199. |
| [2] | F. Song;D. Ewing;C.Y. Ching .Fluid flow and heat transfer model for high-speed rotating heat pipes[J].International Journal of Heat and Mass Transfer,2003(23):4393-4401. |
| [3] | F. Song;D. Ewing;C. Y. Ching .Experimental investigation on the heat transfer characteristics of axial rotating heat pipes[J].International Journal of Heat and Mass Transfer,2004(22):4721-4731. |
| [4] | F. Song;D. Ewing;C. Y. Ching .Heat transfer in the evaporator section of moderate-speed rotating heat pipes[J].International Journal of Heat and Mass Transfer,2008(7/8):1542-1550. |
| [5] | 蒋寻寒,曹祖庆.一组性能优良的水和水蒸汽高精度特性公式[J].动力工程,2003(06):2777-2780,2809. |
| [6] | 刘晖,康勇.新的水饱和压力与饱和温度计算方法[J].压缩机技术,2005(06):26-27. |
| [7] | 刘晖,肖红.对水蒸汽饱和温度反算公式的考察[J].内蒙古石油化工,2011(09):33-34. |
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