1) exergy efficiency
火用效率
1.
In this paper,pressure equalization process,adsorption temperature,oxygen flow rate and the size of oxygen generation machine have been changed to get the effect direction and degree of them on exergy efficiency and oxygen recovery in miniature PSA oxygen generation system.
通过改变微型变压吸附制氧系统的均压步骤、吸附温度、氧气流量和设备规模,测得它们对系统火用效率与氧气回收率影响的方向与程度,从而提出提高火用效率和氧气回收率的方向,并找出火用效率和氧气回收率的关系。
2.
Exergy losing of every equipment and the exergy efficiency were calculated.
利用R K S方程建立了天然气和液化天然气焓火用计算的热力学模型;对 2×104 m3 /d液化天然气液化过程进行了模拟计算;计算了各设备的火用损失和液化过程的火用效率;热力学计算分析结果表明,装置的最大火用损环节是循环压缩机,其次是透平膨胀机和气波制冷机。
3.
Some effect factors on the exergy efficiency of cycle and the exergy loss of components such as compression ratio of compressor,isentropic efficiency of expander,cold energy loss,and temperature difference in heat exchangers are discussed.
找出了系统火用效率和各部件火用损失随着压缩机压比、膨胀机等熵效率、跑冷量、换热器冷热流体平均温差变化的规律,并提出减小循环跑冷量、换热器内冷热流体温差,以及提高压缩机压比、膨胀机等熵效率、物料分配均匀度以提高循环性能和系统火用效率的措施。
2) exergy efficiency
(火用)效率
1.
188 MJ respectively, the exergy efficiency 92.
188 MJ,(火用)效率分别为92。
2.
Results show that the air temperature difference,thermal and exergy efficiency increase with incident solar intensity increasing, but the electrical efficiency decreases.
结果表明:随着入射光强度的增加,空气进出口温差、热和(火用)效率是增大的,而电效率则有所降低。
3.
The results indicate that exergy efficiency of dish system increases at beginning and decreases afterward with increasing of the collector temperature and concentrating ratio,decreases with increasing of regenerative time coefficient.
本文用有限时间热力学方法分析了碟式太阳能集热器驱动内可逆斯特林热机系统的(火用)效率与吸收器工作温度、聚光比和回热时间系数之间的优化关系。
3) exergy efficiency of energy
能源(火用)效率
4) heat exchangers / exergy efficiency
换热器/火用效率
5) exergy efficiency analysis
火用效率分析
1.
The theory of the maximal exergy efficiency analysis was discussed and the design formulae of the different design methods were deduced.
对半导体多级制冷器不同的设计方法作了介绍,提出了最大火用效率分析的设计方案,导出了各种设计方案的设计公式。
6) exergy efficiency of diesel
柴油机火用效率
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