1. 毕业设计（论文）的内容和要求

随着临近空间的开发，先进设备如机载仪器舱等会遇到低压、大热量输运等问题，一方面，低压环境将对空气的密度、运动粘度以及导热率产生影响，与常压的传热过程不同。

另一方面，虽然目前已发展一些大功率冷却技术，但受到花费、可靠性和封装技术等挑战，空气冷却仍然在航空航天的热控手段中扮演重要角色。

因此研究自然对流耦合传热特性和热控制有重要意义。

2. 参考文献

[1] V. Vivek, A.K. Sharma, C. Balaji, Interaction effects between laminar natural convection and surface radiation in tilted square and shallow enclosures, Int. J. Therm. Sci. 60 (2012) 70-84. [2] H. Wang, S. Xin, P. Le Quere, Numerical study of natural convectione surface radiation coupling in air-filled square cavities, C.R. Mecanique 334 (2006) 48-57. [3] M.M. Gonzalez, J.H. Palafox, C.A. Estrada, Numerical study of heat transfer by natural convection and surface thermal radiation in an open cavity receiver, Solar Energy 86 (2012) 1118-1128. [4] M. Rahimi, A. Sabernaeemi, Experimental study of radiation and free convection in an enclosure with a radiant ceiling heating system, Energy Build. 42(2010) 2077-2082. [5] G.V. Kuznetsov, M.A. Sheremet, Unsteady natural convection of nanofluids in an enclosure having finite thickness walls, Comput. Therm. Sci. 3 (2011) 427-443. [6] S. Ergin, Surface radiation with conduction and natural convection in a twofloor enclosure, Energy Build. 32 (2000) 57-70. [7] M.R. Rajkumar, G. Venugopal, S. Anil Lal, Natural convection with surface radiation from a planar heat generating element mounted freely in a vertical channel, Heat Mass Transfer 47 (2011) 789-805.

3. 毕业设计（论文）进程安排

1.15-3.5 文献综述、英文资料翻译 3.6-3.11 开题报告 3.12-5.15 实验及理论研究 5月1号左右中期检查 5.16-6.6 图纸绘制 6.7- 准备答辩