entropy generation

Based on the first and the second laws of thermodynamic, the entropy generation of heat transfer process from the inside to the outside through a duct is analyzed.

基于热力学第一、二定律对换热管由管内到管外的传热过程进行了熵产分析，以管内流体为基准引入了无因次熵产数并得到其计算式；

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The formulae of non-dimensional radiation entropy generation and entropy generation number for.

另外，还建立了非紧测度与熵数，近似数之间的一些联系。

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Entropy Generation Analysis of Convective Heat Transfer through a Duct Including Thermal Entrance Region

考虑热进口段时管内对流换热的熵产分析

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The results of numerical analysis show that there exist relevant relations between the thermal drag and entropy generation of the heated flow.

数值分析结果表明，加热流动中的热阻力与熵产二者之间存在着对应相关的关系。

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The entropy generation number N st of heat exchangers of several flowing pattern was compared with that of contraflow heat exchanger. The varying law of N st with the heat transfer unit number NTU, inlet temperature ratio τ and heat capacity ratio C was obtained.

将几种流动型式换热器相对于逆流式换热器进行了熵产生数相对值的比较，得到了熵产生数相对值随传热单元数、入口温度之比和热容量之比的变化规律。

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entropy generation analysis of heat transfer process through a duct

换热管传热过程的熵产分析

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Based on thermodynamic principles, entropy generation and exergy loss of BFG ( Blast Furnace Gas) and COG ( Coke Oven Gas) during mixing were studied.

从热力学原理出发，研究了高、焦炉煤气混合过程的熵增加和损失。

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at the same time, the paper also indicates that when analyzing the problem, the second law of thermodynamics must be introduced because unavoidable minimum irreversible loss is considered whether taking refrigeration coefficient or taking entropy generation ratio as an aim.

同时还指出，无论以制冷系数还是以熵产生率为目标，在分析时，均考虑了循环中不可避免的最小不可逆损失，均必须引入热力学第二定律。

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From the point of entropy generation, entropy generation in thermoelectric generator is analyzed under three different conditions by entropy generation minimization method.

从熵产的角度，以熵产最小化方法，分析了三种工作模型的温差发电器的熵产。

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Numerical Analysis on Thermal Drag and Entropy Generation of a Heated Pipe Flow

加热圆管流动热阻力及熵产的数值分析

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In this paper the thermal drag and entropy generation of a heated pipe flow are analysed by means of numerical computation.

本文利用数值计算方法，对圆管加热流动的热阻力和熵产进行了综合分析研究。

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Multi-Pressure condenser; Mean condensing temperature Number of entropy generation Optimization;

多背压凝汽器；平均冷凝温度；熵产生数；优化；

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Thermodynamic analysis and experimental data demonstrated that the symmetry spray nozzle can decrease the flow resistance and entropy generation, resulting in the improvement of the refrigeration performance for the pulse tube refrigerator.

理论分析和初步的实验研究表明，通过合理的喷嘴曲线设计，在相同功耗下，可进一步降低制冷温度，提高脉冲管制冷机的性能。

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the teacher explained specific heat transfer entropy generation in class.

老师在课堂上讲解了比热传递熵产。

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entropy generation analysis of portable vapor compression refrigeration system

便携式蒸汽压缩制冷系统的熵产分析

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