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total equivalent warming impact
相关语句
  变暖影响总当量
     Presents three indexes to evaluate the global warming impact, GWP (global warming potential), TEWI (total equivalent warming impact) and LCCP (life cycle climate performance).
     介绍了几种对全球气候变暖影响的评价指标 ,包括全球变暖潜值GWP、变暖影响总当量TEWI及寿命期气候性能LCCP。
短句来源
  总有效温室效应
     The principle of gas engine-driven transcritical cycle heat pump system with CO_2 as working medium is elaborated. The evaluation index of total equivalent warming impact and the primary energy utilization ratio are calculated, and the techno-economic analysis is made.
     阐述了燃气机驱动的以CO2为工质的跨临界循环热泵系统的原理,计算了总有效温室效应评价指标和一次能源利用率,进行了技术经济分析。
短句来源
     This heat pump system has low evaluation index of total equivalent warming impact, high primary energy utilization ratio, low environmental pollution and lower operation cost than conventional motor-driven pump.
     此热泵系统总有效温室效应评价指标低,一次能源利用率高,环境污染小,运行费用低于普通电动热泵。
短句来源
     Gas engine driven CO 2 transcritical cycle heat pump is environment benign because it operates with natural gas as energy source and CO 2 as refrigerant. The system can reduce Total Equivalent Warming Impact (TEWI) and improve Primary Energy Ratio (PER) as far as possible. The system has a broad prospect not only because its environmentally friendly properties but also its low operation cost.
     以天然气为能源 ,以CO2 为工质的燃气机驱动CO2 跨临界循环热泵系统可以最大限度地降低总有效温室效应指数 ,提高一次能源利用率 ,减小对环境的污染 ,而且其运行费用也低于普通电动热泵 ,具有很好的发展前景
短句来源
  相似匹配句对
     the equivalent of E.
     E.
短句来源
     is equivalent to the symbol ?
     熟知其可逆性,Fredholm性等价于符号?
短句来源
     (E)total occlusion.
     E组:完全闭塞。
短句来源
     Some Relationships And Their Applications of The Total Equivalent Orifice of Mines
     矿井总等积孔的几项关系与应用
短句来源
     total ISp].
     total 15μl。
短句来源
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In the direct-contact ice thermal-storage system, refrigerant is injected into water, so that heat transfer takes place directly between two substances in the evaporator. The negligible heat transfer resistance and temperature difference between the refrigerant and water result in a significantly increased heat transfer efficiency and lower manufacturing costs of the system. The direct-contact ice thermal-storage system is therefore more attractive than the conventional ones. The crux in designing the system...

In the direct-contact ice thermal-storage system, refrigerant is injected into water, so that heat transfer takes place directly between two substances in the evaporator. The negligible heat transfer resistance and temperature difference between the refrigerant and water result in a significantly increased heat transfer efficiency and lower manufacturing costs of the system. The direct-contact ice thermal-storage system is therefore more attractive than the conventional ones. The crux in designing the system is to select an appropriate refrigerant. In this paper, a comparative analysis was carried on the following problems of alternative refrigerants, e.g. HCFC-123 and HFC-134a: 1. gas hydrate reactions between refrigerants and water; 2. impacts of refrigerants on ozone depletion and greenhouse effect; 3. theoretical efficiencies of refrigerants and their practical applications in centrifugal chillers. The analysis showed that HCFC-123 absorbs heat and evaporates after it has been injected into water. Slush ice is formed instead of any gas hydrate due to the relatively larger molecular size of HCFC-123. As an environment-friendly refrigerant with negligible effect on ozone depletion, short atmospheric lifetime and low total equivalent warming impact (TEWI), HCFC-123 has high theoretical and practical efficiencies and has found wide application in centrifugal chillers. HCFC-123 is also considered as an excellent refrigerant applied in the direct-contact ice storage system.

直接接触式冰蓄冷系统是一种具有广泛应用前景的新型蓄冷系统,在其设计过程中,制冷剂的选择十分重要。从制冷剂与作为蓄冷介质的水之间是否发生水合反应、制冷剂对全球环境问题—臭氧层耗损和温室效应的影响,以及制冷剂在大型空调系统广泛采用的离心式制冷中的循环性能三个方面着手,对目前常用的HCFC-123、HFC-134a等替代制冷剂进行了对比分析,结果表明选用HCFC-123作为直接接触式冰蓄冷系统的制冷剂可满足经济和环保的要求,具有较大的应用前景。

Presents three indexes to evaluate the global warming impact, GWP (global warming potential), TEWI (total equivalent warming impact) and LCCP (life cycle climate performance). Especially discusses the concept and contents of LCCP, and the difference and correlation with GWP and TEWI. Briefly summarizes the LCCP results for unitary air conditioning units, chillers, commercial refrigeration, mobile air conditioning and domestic refrigeration.

介绍了几种对全球气候变暖影响的评价指标 ,包括全球变暖潜值GWP、变暖影响总当量TEWI及寿命期气候性能LCCP。特别讨论了LCCP概念的内涵 ,以及它与GWP和TEWI之间的关联和区别。综合介绍了使用不同制冷剂时单元式空调、冷水机组、商业制冷、汽车空调及家用冰箱等制冷空调设备的LCCP典型结果。

The principle of gas engine-driven transcritical cycle heat pump system with CO_2 as working medium is elaborated. The evaluation index of total equivalent warming impact and the primary energy utilization ratio are calculated, and the techno-economic analysis is made. This heat pump system has low evaluation index of total equivalent warming impact, high primary energy utilization ratio, low environmental pollution and lower operation cost than conventional motor-driven pump.

阐述了燃气机驱动的以CO2为工质的跨临界循环热泵系统的原理,计算了总有效温室效应评价指标和一次能源利用率,进行了技术经济分析。此热泵系统总有效温室效应评价指标低,一次能源利用率高,环境污染小,运行费用低于普通电动热泵。

 
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