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1)  extra entropy production
额外熵产生
2)  entropy generation
熵产生
1.
An entropy generation based thermodynamic analysis was conducted of the internal flows in circular and flat tubes.
对圆管和扁管内部流动进行了以熵产生为基础的热力学分析。
2.
It was point out that the entropy generation was minimized when the total heat transfer area was divided equally at each stage.
基于熵产生最小对多背压凝汽器进行了优化分析,指出各级传热面积相等时熵产生最小。
3.
The entropy generation number N st of heat exchangers of several flowing pattern was compared with that of contraflow heat exchanger.
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。
3)  entropy production
熵产生
1.
Changes of the entropy, the entropy production and the rate of energy dissipation in river adjustment;
河流调整中的熵、熵产生和能耗率的变化
2.
Ordered structure and system development of the force dissipation system(Ⅰ), Principle of minimum entropy production and ordered structure;
强迫耗散系统的有序结构和系统的发展(Ⅰ),最小熵产生原理和有序结构
3.
Natural hazards are defined as the processes of releasing unstable accumulated energies, and also the stronger dissipative processes, which can be described by the local entropy production.
自然灾害的发生过程是不稳定能量积累的释放过程,它是一个高强度的耗散过程,耗散强度可以用局域熵产生来描述,根据地表温度和能量通量纬度分布的观测资料计算了局域熵产生的纬度分布,发现它与自然灾害的纬度分布十分接近。
4)  entropy production
熵产生率
1.
Howev-er,ultrasound absorption results in additional entropy production in tissues.
理论计算证明,低频低强度的超声照射可以导致癌细胞和正常细胞熵产生率的倒转,从而可以改变熵流方向,抑止癌的毒性信息流的扩散。
2.
Based on the thermodynamics on irreversible processes the entropy production rates are calculated for cancer and normal cells respectively.
依据非平衡热力学,对细胞内的熵产生率进行了计算,并对癌细胞和正常细胞的熵产生进行了对比分析,证明了在通常条件和无外场作用情况下,癌细胞的熵产生率高于正常细胞。
3.
This paper expounds the importance of entropy transfer and entropy production in heattransfer and gives a formula for counting global entropy transfer and entropy production in heat -conducting straight fins.
本文论述了熵通量和熵产生率在热传递中的重要性,并给出等厚度直形翅片在传热时的熵通量和熵产生率计算公式。
5)  excess entropy production
超熵产生
1.
On the basis of analyzing dissipative structure characters of urban industry-environmental system,according to general thermodynamics stability criterion in dissipative structure theory,a model about excess entropy production of urban industry-environmental system is established.
在分析城市工业-环境系统耗散结构特征的基础上,尝试根据耗散结构理论中的一般热力学稳定性判据建立城市工业-环境系统的广义超熵产生模型,并将其应用于山西省临汾市的工业-环境系统。
2.
By taking D(x)=D 0(1-x 2)(x=sinθ,θ is latitude)as the diffusion coefficient,the relations between increase of CO 2 concentration and abrupt climate warming are discussed by using excess entropy production theory,and the critical value of CO 2 concentration is derived when abrupt climate warming occurs.
建立了变系数扩散的一维自组织非线性气候模型,取热流输运系数为D(x)=D0(1-x2)(x=sinθ,θ为纬度),运用超熵产生理论讨论了CO2浓度增加与气候突变的稳定性关系,得到突变时CO2浓度的临界值,所得结论基本上符合近代气候变化的时间尺度特征,也与有关文献的结论一致。
3.
On the basis of excess entropy production theory the corresponding stability criterion is derived,and the parametric relation of the increase of CO2 to the abrupt climate change is discussed.
建立了一个包含云与辐射动态相互作用的一维非线性能量平衡气候模型,根据超熵产生理论,求得相应的稳定性判据。
6)  entropy production rate
熵产生率
1.
It analyses the irreversible processes which happen in the thermodynamics system--heat conduction and diffusion, and makes detailed discussion about the change of the system entropy from the entropy flow density and the entropy production rate.
文章对热力学系统内进行的不可逆过程——热传导和扩散等输运过程的性质进行了分析 ,并对系统的熵的变化从熵流密度和局域熵产生率两个方面进行了比较详细的讨论 ,给出了具体的不可逆过程求熵流密度和局域熵产生率的具体表达式 ,这对研究热力学不可逆过程的进行是很有帮助的 。
2.
This paper expounds and argues on the basis of Gib bs formulae the equivalence of entropy production rate and thermodynamic characteristic functional variation rate in the closed system.
本文从 Gibbs公式出发 ,论证了封闭系统熵产生率与热力学特性函数变化率的等价
补充资料:熵产生
分子式:
CAS号:

性质:非平衡态热力学中的重要物理量。任意系统中局部微小体积内的熵改变由两部分组成:dS=deS+diS,deS称为熵流(entropy flux),它是由于系统与周围环境间的物质流和能量流而引起的熵变。视流的方向,其值可正可负。对于隔离系统,deS=0;对于封闭系统,,δQ为自环境吸收的微量热。diS称为熵产生,是由于系统内部的不可逆因素引起的熵变,其值永不减小,即diS≥0,等号适用于平衡态。因此,可以写为。这就是克劳修斯不等式。对隔离系统,dS≥0,这就是熵增加原理。当-deS=diS时,dS=0,此时非平衡系统可处于一种特殊的定态。

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