1) enthalpy effectiveness
焓效率
1.
For rectangle channels,increase in the aspect ratio slighlly improve the sensible effectiveness,the enthalpy effectiveness,and the enthalpy ch.
结果表明:正三角形通道全热换热器各项性能指标均最差;对于矩形通道,随着长宽比的增加,显热效率、焓效率及全热交换量变化不大,而压降减小更迅速,导致换热器整体性能有所提高;近无限大平板通道全热换热器各项性能指标均为最佳。
2) efficiency of enthalpy
热焓效率
1.
After adding the high thermal conductivity MWNTs to n-octadecane,the efficiency of enthalpy of the mixture decreased.
实验中将高导热系数的多壁碳纳米管添加入正十八烷中后,混合物的相变温度变化不大,而热焓效率明显降低,且多壁碳纳米管含量越高,热焓效率降低幅度越大。
3) enthalpy effect
焓效应
1.
The enthalpy effect and the entropy effect of a process are used to discover the essence of Gibbs free energy criterion with actual examples.
通过实例，运用过程的焓效应和熵效应，揭示吉布斯自由能判据的本质，从而引出其他特定过程对应方向性的判据。
2.
This article analyzes the influence and law of the enthalpy effect and entropy effect in virtue of the thermodynamics’ formula:ΔGT,P=ΔH-TΔS ,in the course of chemistry reaction.
通过热力学公式ΔGT,P=ΔH-TΔS,分析焓效应和熵效应对化学反应方向的作用和规律。
4) equivalent heat drop
等效焓降
1.
Based on the Equivalent heat drop theory,the influence of the steam extraction pressure loss on the new steam equivalent heat drop and the circulated heat absorption capacity is analyzed in the paper.
依据等效热降理论,分析了抽汽压损对新蒸汽等效焓降和循环吸热量的影响,得出了抽汽压损变化对机组热经济性的影响可以分解为加热器疏水放热量变化及给水焓升变化对热力系统影响的线性叠加,并导出了相应的计算模型。
5) equivalent enthalpy drop
等效焓降
1.
Regards the thermal system of 300MW unit as research object,according to the system character,combines equivalent enthalpy drop method based on cycle function,adopts the thought of module modeling,the real-time model of heat economic analysis is built.
以300MW火电机组热力系统为研究对象,根据系统特点,在循环函数的基础上结合等效焓降方法,采用模块化建模思想,建立了火电机组热经济性分析的实时模型。
2.
With respect to a cogeneration system for the simultaneous production of electric power and also fresh water by low-temperature multi-effect distillation of seawater the energy cost of water-making and the impact of extracted-steam heating on a steam turbine unit were calculated using an equivalent enthalpy drop theory.
针对低温多效蒸馏海水淡化—发电联产系统,应用等效焓降理论,计算了制水的能量成本和加热抽汽对汽轮机组的影响。
3.
The influence of the seal water temperature of water ring vacuum bumps on the condenser pressure is analyzed quantitatively,and the relationship between the condenser pressure and the unit efficiency was identified with equivalent enthalpy drop method.
定量分析电厂水环式真空泵密封水温度对凝汽器压力的影响,并利用等效焓降法得到凝汽器压力与单元机组效率的关系,从而得到真空泵密封水温度和单元机组经济性的定量关系。
6) equivalent enthalpy drop method
等效焓降
1.
The equivalent enthalpy drop method has been used widely for it is very brief and exact to analyze thermal systems.
等效焓降法用于分析热力系统、计算热经济性指标时,十分简便、迅速,而且运算结果准确,所以应用也很广泛。
2.
The equivalent enthalpy drop method(EEDM) is a partial quantitative analytical method for energy-saving analysis of thermodynamic system, the main point is to calculate the extraction equivalent enthalpy.
等效焓降方法是热力系统节能分析的一种局部定量分析方法,其核心是抽汽等效焓降的计算,抽汽等效焓降的传统算法是一种串联算法。
补充资料：配置效率和生产效率
在经济学上，经济发展的动力，或者说效率的来源，分为两类：一类是配置效率，二是生产效率。所谓配置效率，是指给定资源和技术的条件下，怎么样使资源从边际生产率低的地方流向边际生产率高的地方，从而使得资源和利用更合理、社会总价值达到最大;而生产效率是指如何通过技术进步提高每一种资源的生产率，也就是把社会的生产可行性边界向外移。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条