鼓泡型板式换热器是一种新型热交换器.目前其板型几何参数对板片通道内流动与传热的影响规律还不清楚.本文基于多场协同原理进行了数值研究,发现当单元体长度增大或宽度减小时,通道摩擦阻力因子f减小,综合性能评价参数PEC值增大;当单元体相对主流流动方向倾斜角为90°时,f值最小,PEC值最大.本文的研究结果对鼓泡板片传热元件的几何结构优化设计具有指导意义.
参考文献
| [1] | Guo ZY.;Wang BX.;Li DY. .A novel concept for convective heat transfer enhancement[J].International Journal of Heat and Mass Transfer,1998(14):2221-2225. |
| [2] | 过增元.对流换热的物理机制及其控制：速度场与热流场的协同[J].科学通报,2000(19):2118-2122. |
| [3] | 刘伟,刘志春,马雷.多场协同原理在管内对流强化传热性能评价中的应用[J].科学通报,2012(10):867-874. |
| [4] | LIU Wei,LIU ZhiChun,HUANG SuYi.Physical quantity synergy in the field of turbulent heat transfer and its analysis for heat transfer enhancement[J].科学通报（英文版）,2010(23):2589-2597. |
| [5] | LIU Wei,LIU ZhiChun,GUO ZengYuan.Physical quantity synergy in laminar flow field of convective heat transfer and analysis of heat transfer enhancement[J].科学通报（英文版）,2009(19):3579-3586. |
| [6] | Liu Wei;Liu Zhichun;Ming Tingzhen;Guo Zengyuan .Physical quantity synergy in laminar flow field and its application in heat transfer enhancement[J].International Journal of Heat and Mass Transfer,2009(19/20):4669-4672. |
| [7] | M.A. Mehrabian;R. Poulter .Hydrodynamics and thermal characteristics of corrugated channels: computational approach[J].Applied mathematical modelling,2000(5/6):343-364. |
| [8] | Zhang LZ .Numerical study of periodically fully developed flow and heat transfer in cross-corrugated triangular channels in transitional flow regime[J].Numerical Heat Transfer, Part A. Application: An International Journal of Computation and Methodology,2005(4):387-405. |
| [9] | Weizhe Han;Khaled Saleh;Vikrant Aute;Guoliang Ding;Yunho Hwang;Reinhard Radermacher .Numerical simulation and optimization of single-phase turbulent flow in chevron-type plate heat exchanger with sinusoidal corrugations[J].HVAC&R research,2011(2):186-197. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%