物质从高温、高压的状态变为低温、低压时可以释放出能量,并通过某种机器利用其中一部分能量做功。但若机器本身的状态不变时,在做功过程中一部分能量总是以热量的形式排到低温,能够做功那部分能量最多不能超过释出的总能量的一定的份额。这最大可能做功的能量份额称为有效能。
关键词 : 氦制冷机 静态数学模型 静态模拟 有效能 [gap=877]Key words: helium refrigerator; static mathematical model; static simulation; exergy
基于70个网页-相关网页
The rapid development available energy analysis is extremely useful thermodynamic analysis in recent years. It can be know the energy efficiency in one process or equipment through available energy analysis.
有效能分析是近几年来得到迅速发展的极其有用的热力学分析方法,通过有效能分析,可以了解某一过程或装置能量利用的完善程度,找出节能降耗的有效途径。
参考来源 - MEA吸收COIt mainly includes: ①Based on the analyse of chemical exergy and physical exergy, an improved method of exergy is put forward in which the exergy change of mixing is considered.
主要包括:①改进了一般有效能分析方法,在化学有效能和物理有效能的基础上,引入了混合物质状态变化(特别是压力有较大变化)时的有效能变化值。
参考来源 - 循环经济规划的理论、方法及初步应用·2,447,543篇论文数据,部分数据来源于NoteExpress
一个有效能服务计划的四阶段是什么?
现在,K有效能够相对直接地定义,由中子的产生除以损耗。
Now K effective can be defined relatively straight forwardly by production of neutrons divided by losses.
在你整个人生中,花点时间陪陪你的孩子是最有效能的事情之一。
Taking care of your kids could be one of the most productive things you'll do in your whole life.
It would be so easy if you built a cohesive system that carries the entire transaction to create a receipt that is useful.
如果你建立一个,能覆盖整个交易过程,能产生有效的收据的系统,一切都会变得更容易。
The z effective is lower, so we have to put less energy in to get an ion out.
它的有效核电量更低,所以我们只需要更少的能量就能打出一个离子。
The thing that's really doing the heavy hitting on risk management is really the tax and welfare system.
而税收和福利制度能真正有效地,实现风险管理。
应用推荐