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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
Research and development activities on Wireless Power Transfer System (WPTS) has been increased considerably in the last few years mainly for Electric Vehicle (EV) applications. The wireless charging ...
The IEEE Wireless Power Transfer Conference (WPTC) is a conference on wireless powering, rotating between Europe, Asia and North America. It started in Perugia, Italy in 2013, followed by WPTC2014 in ...
Although Wireless Power Transfer (WPT) is one of new applications of radio wave, it is very old technology as well. First WPT experiment was carried out in the end of 19th century. Research and Develo...
Near-field electromagnetic heat transfer is of interest for a variety of applications,including energy conversion, and precision heating, cooling and imaging of nanostructures.
华南理工大学流体力学与传热课件CHAPTER 10 Heat Transfer
Flow resistance and heat transfer coefficients of typical double wall laminated film cooling configuration within a turbine vane were experimentally studied. The specimen was in large scale, and made ...
Purpose: Solidification of pure metal can be modelled by a two-phase Stefan problem, in which the distribution of temperature in the solid and liquid phases is described by the heat conduction equatio...

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