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refrigeration efficiency
相关语句
  制冷效率
     the refrigeration efficiency of the tube(η) is increased by 3%~9% when the ratio of the expansion(ε) is from 3 to 5;
     如膨胀比ε=3~5时,制冷效率η可提高3%~9%;
短句来源
     Experimental results indicate that its cooling effect and refrigeration capacity under p0=0.3~0.6 MPa,μ=0.27~0.72 increase with the increase of p0,but refrigeration efficiency decreases;
     试验结果表明,在p0=0.3~0.6MPa,μ=0.27~0.72范围内,涡流管的制冷效应及制冷量随p0的增大而增大,而制冷效率随p0的增大而减小;
短句来源
     Study and practice of improving refrigeration efficiency
     提高制冷效率的研究与实践
短句来源
     Discussion Consummation of Direct Ammonia Supply and Improvement of Refrigeration Efficiency
     完善氨直流供液方式提高制冷效率的探讨
短句来源
     This paper draw a conclusion about energy saving through compare refrigeration efficiency between 1 - stage, 2 - stage compressor rack which use different refrigerant .
     本文通过比较单级、双级压缩机组在低温工况下使用不同的制冷剂得到不同的制冷量和制冷效率来比较机组使用的经济性,并为超市提供了一套优化使用机组、节约电能的方案。
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  制冷系数
     When taking ε ̄λ(R-ε_cT_Hσ)as an objective function basel on the model of an irreversible Carnot refrigerator,the optimum relation among the refrigeration coefficient,the refrigeration efficiency and the average entropy production is derived。
     在不可逆卡诺制冷机的模型基础上,以ε ̄λ(R-ε_cT_Hσ)为目标函数,导出不可逆卡诺制冷机的制冷系数,制冷率和平均熵产的优化关系。
短句来源
     The conclusion is that the refrigeration efficiency of air cycle air conditioning in room can reach to 1.72, the heating efficiency also can reach to 1.71. This new kind of air cycle air conditioning in room is friendly environmental and promisimg.
     结论认为 ,房间空调制冷系数可达1.72,制热系数达1.71,是较有前途的绿色环保型空调。
短句来源
  “refrigeration efficiency”译为未确定词的双语例句
     The main factors of influence on the sorption refrigeration efficiency for zeolite-liquid system have been further investigated.
     我们还探讨了影响沸石分子筛吸附式制冷的主要因素,发现沸石分子筛的吸附容量,吸附和脱附速度、脱附温度对制冷量的影响较大。
短句来源
     In this paper,the saturated super-fluid helium cooling cycles and operation temperature for a 1.3GHz superconducting resonance frequency cavity system were analyzed in terms of improving the refrigeration efficiency of SRF cooling system and lowering the cavity dynamic loss.
     本文以北京大学超导加速器实验装置(PKU-SCAF)1.3GHz的9壳型超导加速腔为例,对1.3GHz超导腔采用的压力为3.13kPa的饱和态超流氦冷却循环方案及运行温度进行了分析研究。
短句来源
     DME can be directly filled into auto air conditioner to replace R134a,but the spring pretension of thermal expansion valve should be slightly increased to raise superheat degree at evaporator outlet for ensuring the refrigeration efficiency of DME.
     二甲醚可以直接灌注式替代R134 a,但会造成蒸发器出口过热度降低,需对膨胀阀弹簧预紧力进行调整,才能充分发挥二甲醚的制冷性能。
短句来源
     INFLUENCE OF DEHYDRATION OF MODIFIED ZEOLITES ON THE SORPTION REFRIGERATION EFFICIENCY
     改性沸石分子筛的脱水速度对制冷影响
短句来源
     Management Method of Increasing Refrigeration Efficiency with Lithium Bromide Absorption Refrigerator
     提高蒸汽型溴化锂吸收式制冷机制冷性能的管理方法
短句来源
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  refrigeration efficiency
The computations show that one-dimensional solutions give a reasonable foundation for the understanding of PWR operational principles but cannot satisfactorily predict the refrigeration efficiency.
      


The application of zeolites with different adsorption capacities for sorption refrigeration has been explored. The refrigeration efficiency of these zeolite systems was compared with that of silica gel system,The results show that the zeolite-water system is suitable for refrigerators preserving food; the zeoliteethanol system, for ice manufacturing; and the silica gel-water system, for air conditioning on the basis of Dubinin's adsorption theory of volume filling of micropores. The main factors of influence...

The application of zeolites with different adsorption capacities for sorption refrigeration has been explored. The refrigeration efficiency of these zeolite systems was compared with that of silica gel system,The results show that the zeolite-water system is suitable for refrigerators preserving food; the zeoliteethanol system, for ice manufacturing; and the silica gel-water system, for air conditioning on the basis of Dubinin's adsorption theory of volume filling of micropores. The main factors of influence on the sorption refrigeration efficiency for zeolite-liquid system have been further investigated. It is found that the efficiency of refrigeration is obviously affected by the adsorption capacities, adsorption and desorption rates as well as desorption temperature.By using 200 g of zeolite, the temperature in the small refrigerator, 2 1/4 liters in volume, drops from room temperature down to-5℃ or even below-5℃ in a single refrigeration cycle.

对不同吸附性能的几种沸石应用于吸附式制冷进行了探讨,并将这些沸石的制冷效果与硅胶进行了对比。从吸附基础理论阐明了沸石分子筛可应用于太阳能冰箱、空调、蔬菜水果保鲜等,为节能开辟了一条新途径。我们还探讨了影响沸石分子筛吸附式制冷的主要因素,发现沸石分子筛的吸附容量,吸附和脱附速度、脱附温度对制冷量的影响较大。实验测得制冷工质偶沸石水体系在单级吸附—解吸循环系统中,200克沸石分子筛能使五磅冰瓶内溫度由室温降低到-5℃以下。相当于每公斤分子筛能产生制冷量90—110千卡(活化温度在400℃左右)。

The application of zeolites with different adsorption capacities for sorption refrigeration has been explored. The refrigeration efficiency of these zeolite systems was compared with that of silica gel system.The results show that the zeolite-water system is suitable for refrigerators preserving food; the zeoliteethanol system, for ice manufacturing; and the silica gel-water system, for air conditioning on the basis of Dubinin's adsorption theory of volume filling of micropores. The main factors of influence...

The application of zeolites with different adsorption capacities for sorption refrigeration has been explored. The refrigeration efficiency of these zeolite systems was compared with that of silica gel system.The results show that the zeolite-water system is suitable for refrigerators preserving food; the zeoliteethanol system, for ice manufacturing; and the silica gel-water system, for air conditioning on the basis of Dubinin's adsorption theory of volume filling of micropores. The main factors of influence on the sorption refrigeration efficiency for zeolite-liquid system have been further investigated. It is found that the efficiency of refrigeration is obviously affected by the adsorption capacities, adsorption and desorption rates as well as desorption temperature.By using 200g of zeolite, the temperature in the small refrigerator, 2 (1/4) liters in volume, drops from room temperature down to -5℃ or even below -5℃ in a single refrigeration cycle.

对不同吸附性能的几种沸石应用于吸附式制冷进行了探讨,并将这些沸石的制冷效果与硅胶进行了对比。从吸附基础理论阐明了沸石分子筛可应用于太阳能冰箱、空调、蔬菜水果保鲜等,为节能开辟了一条新途径。我们还探讨了影响沸石分子筛吸附式制冷的主要因素,发现沸石分子筛的吸附容量,吸附和脱附速度、脱附温度对制冷量的影响较大。实验测得制冷工质偶沸石水体系在单级吸附一解吸循环系统中,200克沸石分子筛能使五磅冰瓶内温度由室温降低到-5℃以下。相当于每公斤分子筛能产生制冷量90—110千卡(活化温度在400℃左右)。

With the improvement of the living conditions of the people, a lot of small cold storages are established in our country nowadays. However, in spite of its common use the, refrigeration efficiency is low. According to the practical investigations made recently, some main factors affecting the efficiency have been found. A mixed way of liquid ammonia supply instead of direct supply is suggested in this paper.

目前在小型冷库的建设中,有相当多的制冷工艺采用氨直流供液方式,而制冷效果普遍存在一定问题.本文针对这种状况,在实际调查的基础上,进行了理论分析研究,从普遍现象的规律中抓住问题的实质,提出完善氨直流供液,采用混合供液方式来提高制冷效率的途径.

 
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