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- There are two modes of convection: free convection and forced convection. 热对流的花样最多,且和流力有密切关系。
- Convection can be of two types: natural convection and forced convection. 对流可分为两类,即自然对流和强制对流。
- MHY one-phase turbulance forced convection is used in the coolant flow. 计算中边界条 件按一维处理,并采用经验公式计算。
- The optimized design is performed through CFD/NHT simulation for an avionics system adopting force convection air cooling,and also experiment is made to validate the simulation results. 针对采用强迫风冷散热的典型机载电子设备,利用CFD/NHT仿真进行优化设计,与热测试相结合进行验证。
- The calculated results indicate that because of the forced convection produced by electromagnetic force,the metal melt is stirred electromagnetically and the grain is ref... 分析结果表明,电磁离心凝固过程中,正是由于电磁力引起的受迫对流运动,对金属熔体起电磁搅拌作用并使晶粒得到细化,从而提高铸件质量。
- Droplet ignition and extinction in practical combustors are strongly influenced by forced convection and turbulence. 在实际燃烧室中,液滴点火和熄火受到强迫对流和紊流的强烈影响。
- Forced convection cooling system to easily reach the requirements of strict lead free soldering processes. 强制冷却系统实现急冷达到无铅焊接工艺的冷却降温要求。
- Hence, forced convection plays a more important role in heat transfer of microscale flow boiling than nucleate boiling. 这是因为莫耳分率越小,对于甲醇/水混合系统,其前进接触角越大,使得气体较容易残留在人造孔穴中的缘故。
- The heat transfer capability of air forced convection decrease with the air pressure in cabin dropping. 舱内对流换热能力随气压下降不断衰减,气压越低,衰减越快。
- In forced convection the movement of the fluid or gas is caused by an external agent which gives rise to pressure differences. 在强制对流中,液体或气体的运动是产生压力差的某种外营力造成的。
- A forced convection finned tube exchanger model with constant blast volume was constructed and its reliability was confirmed by the performance test. 摘要建立了恒流条件下的强制对流翅片管式换热器的结霜模型,并用实验结果验证了模型的可靠性。
- A study of the dryout characteristics in forced convection boiling in electrically heated horizontal helically coiled tube is reported. 在中低压条件下,对卧式放置螺旋管中汽-水两相流烧干特性进行了实验研究,探讨了螺旋管内烧干机理。
- The reactor performance and RCCS capability during normal operation and two loss of forced convection(LOFC) accidents are analyzed using THERMIX code. 本文用THERMIX程序计算了稳态和两类丧失强迫冷却事故瞬态的反应堆温度分布以及空腔冷却系统(RCCS)的载热能力。
- The benchtop system delivers forced convection heat that can be controlled with multiple time, temperature and cooling zones. 在台式系统提供强迫对流换热,可控制多时间,温度和冷却区。
- The results indicate the empirical relations can be used to analyze forced convection heat transfer of continuous flow in lower air pressure. 结果表明,低气压下,处于连续介质流的流体对流换热仍然可以利用常规情况经验准则关系式进行分析计算;
- Makes when the heat will have the wind, in addition the air forced convection will also have the uncomfortableness which the air conditioning will resemble. 制热时会有风,加上空气强制对流也会有空调似的不适感。
- In this paper, a new-type coil heat exchanger is designed and the exit temperature is guaranteed high enough by full forced convection both inside and outside of the coiler. 本文设计了不带搅拌的新型蛇管换热器,并通过保证蛇管内外充分的强制对流来保证油剂达到足够的出口温度。
- It is vain to attempt to root out heresy by force. 试图用暴力消除异端邪说是徒劳的。
- Napoleon conquered by the force of an iron will. 拿破仑攻无不克靠的是坚强的意志。
- But they refused to bow to force. 但他们拒不向武力低头。