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Hypersonic Glide Vehicle (HGV) is one of the most possible ways to put the available hypersonic technology into practice. It is very important for the thermal protection system (TPS) of HGV to predict the heating on the surface fleetly and accurately. In this paper, one quick-predict method for a typical HGV with conically derived waverider construction and skip-glide trajectory was investigated firstly...
This paper introduces that water source heat pump is successfully used in Xiangtan city. The PID fuzzy control method of water source heat pump is brought forward for the reasons of complicacy of water source heat pump system, plenty of controlled variables, nonlinear, time delay characteristic and bad adaptability. This method can get high precision, rapid dynamic response and work well in reality...
Based on the theory of heat transfer in porous media and the basic theory of underground water seepage, the mutual coupling mechanism between the temperature field and seepage field is discussed in the pumping or recharging process of the aquifer thermal energy storage. Then a hydrothermal coupling analysis model is established for simulating the regular pattern of heat-flow migration in the confined...
The rapid miniaturization of the electronic packaging accelerated the development of air cooling technology. In this research, both experimental and numerical methods are adopted to investigate the heat transfer between the air swirling impinging jets and an iso-heat-flux simulant chip. In the experiment scheme, the simulant chip is impacted by the swirling jet which is generated by inserting twisted...
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