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航空发动机应用于高空,飞行跨度较大,温度剧烈变化,温差在少十度甚至到上百度。与此同时,大气环境产生剧烈变化,增加了对发动机冷却系统的要求。与地面环境相比,万米以上高空的散热条件恶劣。空气密度随海拔的递减又对活塞发动机提出了增压要求,从而给热管理系统引进了增压中冷这一新的热源,进而增加了冷却系统的负荷。这些因素制约着航空活塞发动机性能的提升和轻量化的发展,成为了困扰航空活塞发动机技术突破的瓶颈之一。
华南理工大学传质与分离工程课件Chapter6b Principles of Diffusion and Mass Transfer Between Phases。
华南理工大学传质与分离工程课件Chapter6a Principles of Diffusion and Mass Transfer Between Phases。
华南理工大学传质与分离工程课件 Introduction to mass transfer
This paper is focused on the study of effects of thermal radiation on the natural convective heat and mass transfer of a viscous, incompressible, gray absorbing-emitting fluid flowing past an impulsiv...
In this study, the mass transfer parameters were investigated in the liquid extraction process, which is the main step of producing ca eine from tea residue, in a packed brosilicate glass column, 5.86...
Numerical simulations are conducted for two-dimensional steady-state double diffusive flow in a trapezoidal porous cavity, submitted to axial magnetic field. The Darcy equation, including Brinkmamn an...
A mathematical model representing temperature and moisture content in bread during baking is developed. The model employs the coupled partial differential equations proposed by Luikov [5,6]. Dependenc...
Many systems with non-linear heat and mass transfer processes might be unstable at certain conditions. Small disturbances might bring out them of their equilibrium state, after which they achieve itse...
A method for inverse problem solution by means of iterative regularization has been developed. A numerical algorithm for solving inverse incorrect problems based on the developed iterative regularizat...
After an enthusiastic response to the five past International Symposiums held in 1984, 1989, 1994, 1999 and 2005, we are pleased to announce that the 6th International Symposium on Multiphase Flow, He...

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