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。

湍流相比于自然对流的冷却程度不同，因此研究湍流对流耦合传热特性和热控制有重要意义。

2. 参考文献

[1] F. Duchaine, S. Mendez, F. Nicoud, A. Corpron, V. Moureau, and T. Poinsot, ”Conjugate heat transfer with Large Eddy Simulation for gas turbine components,” C. R. Mec. 337, 550 (2009). [2] I. Tiselj, R. Bergant, B. Mavko, I. Bajsi′c, and G. Hetsroni, ”DNS of turbulent heat transfer in channel flow with heat conduction in the solid wall,” J. Heat Transfer 123, 849 (2001). [3] A. Garai, J. Kleissl, and S. Sarkar, ”Flow and heat transfer in convectively unstable turbulent channel flow with solid-wall heat conduction,” J. Fluid Mech. 757, 57 (2014). [4] P. Sosnowski, A. Petronio, and V. Armenio, ”Numerical model for thin liquid film with evaporation and condensation on solid surfaces in a systems with conjugated heat transfer,” Int. J. Heat Mass Transfer 66, 382 (2013). [5] A. Ibrahim, D. Saury, and D. Lemonnier, ”Coupling of turbulent natural convection with radiation in an air-filled differentially-heated cavity at Ra = 1.5 #215; 109,” Comput. Fluids 88, 115 (2013). [6] S. H. Peng and L. Davidson, ”Large eddy simulation for turbulent buoyant flow in a confined cavity,” Int. J. Heat Fluid Flow 22, 323 (2001). [7] C. Bosshard, A. Dehbi, M. Deville, E. Leriche, R. Puragliesi, and A. Soldati, ”Large eddy simulation of the differentially heated cubic cavity flow by the spectral element method,” Comput. Fluids 86, 210 (2013). [8] C. Zimmermann and R. Groll, ”Modelling turbulent heat transfer in a natural convection flow,” J. Appl. Math. Phys. 2, 662 (2014).

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 3.12-5.1 设计计算 （5月1号左右中期检查） 5.2-6.6 图纸绘制 6.7- 准备答辩