数值研究了高温介质密度随温度变化时,管内层流入口段耦合换热中的热辐射作用.采用离散坐标法、控制容积法耦合求解辐射传递方程、能量方程及N-S方程.考察了中等大小光学厚度下,热辐射作用对介质内速度分布、温度分布以及换热的影响.结果表明,即使在不大的光学厚度下,热辐射作用对管内高温介质层流入口段耦合换热的速度场与换热强度都有明显影响.
参考文献
| [1] | 顾维藻;神家锐;马重芳.强化传热[M].北京:科学出版社,1990 |
| [2] | Martin AR.;Chai J.;Shyy W.;Saltiel C. .Convective and radiative internal heat transfer augmentation with fiber arrays[J].International Journal of Heat and Mass Transfer,1998(22):3431-3440. |
| [3] | Anghaie S.;Chen G. .A computational fluid dynamics and heat transfer model for gaseous core and very high temperature gas-cooled reactors[J].Nuclear science and engineering: the journal of the American Nuclear Society,1998(3):361-373. |
| [4] | Park S H;Kim S S .Thermophoretic Deposition of Absorbing, Emitting and Isotropically Scattering Particles in Laminar Tube Flow with High Particle Mass Loading[J].International Journal of Heat and Mass Transfer,1993,36(14):3477-3485. |
| [5] | Viskanta R .Overview of Convection and Radiation in High Temperature Gas Flows[J].International Journal of Engineering Science,1998,36:1667-1699. |
| [6] | Baek Seung Wook;Kim Taik Young;Yu Myoung Jong .Thermally developing Poiseuille flow affected by radiation[J].Numerical Heat Transfer, Part A. Application: An International Journal of Computation and Methodology,1999(6):681-694. |
| [7] | 黄勇,夏新林,谈和平.热辐射对圆管内层流半透明流体换热的影响[J].中国电机工程学报,2001(11):29-33. |
| [8] | W. -M. Yan;H. -Y. Li .Radiation effects on laminar mixed convection in an inclined square duct[J].Journal of heat transfer: Transactions of the ASME,1999(1):194-200. |
| [9] | 夏新林,谈和平,黄勇,刘顺隆.高温下加热/冷却管内参与性介质的辐射与对流耦合换热研究[J].航空动力学报,2001(04):370-375. |
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