Effects of the liquid property, flow rate, material and surface characteristic, temperature and boiling on the fouling of heat transfer equipment are analyzed.
分析了换热设备结垢的主要影响因素：流体性质、流体流速、材质及表面状况、温度和沸腾等。
The characteristic of heat transfer enhancement and the fluid flow of the fiat tube bank fin exchanger which has vortex generators on both sides of the fin were investigated by using numerical method.
采用数值模拟的方法，研究了流道内上下两肋片均布置有涡产生器的扁管管片式散热板芯的传热与阻力特性，并与流道单面布置涡产生器的换热板芯进行了对比。
The characteristic of turbulent heat transfer and flow resistance with multi-longitudinal vortexes in tube is numerically analyzed.
对多纵向涡对管内湍流换热和流阻特性进行了数值分析。
The results suggest that the effects of buoyancy force, variable physical properties of the fluid, and duct geometric characteristic on flow and heat transfer can be very significant.
研究表明，流体剧烈变化的热物性、浮升力以及三角管的几何特征对管内流动换热的影响非常明显。
Based experimentations, the performance characteristic on enhanced heat transfer and flow resistance of twisted tube were educed.
通过实验，得出了螺旋扁管强化传热及阻力性能特性。
The characteristic length about micro-combustion system is small, and its flow, heat transfer and combustion has many different characteristic that large size of the combustion systems has.
微型燃烧系统的特征长度很小，其流动、传热和燃烧具有的特性，与大尺寸的燃烧系统有许多不同。
The flow pattern, mixing characteristic and heat transfer performance of this combined impeller were studied on the basis of laboratory cold simulation test.
在实验室基础上，探讨了这一搅拌器的流型、功率消耗、混合特性和传热性能，为该组合桨的开发应用奠定了基础。
The result shows the performance of heat exchanger can only be preferably analyzed with the second law of thermodynamics on base of considering characteristic of heat transfer and flow resistance.
认为只有综合考虑换热器的传热特性和压降特性，才能较为准确、客观地分析换热器的性能。
The result shows the performance of heat exchanger can only be preferably analyzed with the second law of thermodynamics on base of considering characteristic of heat transfer and flow resistance.
认为只有综合考虑换热器的传热特性和压降特性，才能较为准确、客观地分析换热器的性能。
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