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

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 3.12-5.15 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