| 1. | The results show that cop of continuous cycle is more 6 % 24 % than that of intermittent cycle
实验表明,连续循环的制冷系数比间歇式制冷高出6 % 24 % 。 |
| 2. | The results show that cop of continuous cycle is 6 % - 24 % more than that of intermittent cycle
实验表明，多次循环的制冷系数比间歇式制冷循环高出6 % ~ 24 % 。 |
| 3. | Optimization of cooling load and cop for an irreversible brayton refrigerator with variable temperature heat reservoirs
变温热源不可逆布雷顿制冷循环制冷率和制冷系数优化 |
| 4. | Using numerical simulation method , detailed dynamic pressure variations , transient gas temperature and mass flow rate in the ptr , and the coefficient of performance of ptr and the exergy losses of all parts of ptr were obtained
用数值模拟方法得到了制冷机内部各点的压力、温度、质量流率等参数的瞬时变化情况及整机的制冷系数，并得到了制冷机各部件的（火用）损失及整机的（火用）效率。 |
| 5. | It is found that for the ptr studied the coefficient of performance of the double inlet type can be improved from 0 . 091 to 0 . 108 and from 25 . 04 % to 29 . 95 % for the corresponding exergy efficiency compared with the orifice type
计算结果表明：针对所研究的脉管制冷机从小孔型到双向进气型的改进使得制冷机的制冷系数从0 . 091提高到了0 . 108 ， （火用）效率从25 . 04 %提高到了29 . 95 % ；回热器和小孔阀是制冷机中产生（火用）损失的主要部件。 |
| 6. | After simulating mini refrigerated condition , on the base of confirming the parameter of work state of the maximum refrigerating modulus and quantum in experiment , the article figures put out the comprehensively equivalent power state and the parameter of the best work state , it is hoped that they can make up a deficiency of traditional design theory so as to optimize the design of semiconductor refrigerating machinery
摘要模拟小空间制冷环境，在实验确定半导体制冷器最大制冷系数状态和最大制冷量状态工作参数基础上，综合分析计算给出了等功率状态和最佳工作状态参数，弥补传统设计理论的不足，为半导体制冷器优化设计提供依据。 |
| 7. | A ejector for is applied in this theory . it can not only regulate the evaporating temperature of each high - temperature refrigeratory but also reduce the back - pressure of the compressor when a system applies this theory . at the same time , the exhaust temperature of the compressor becomes low and the refrigerating capacity per unit of swept volume becomes high
鉴于目前这种现状，本文提出了以喷射器为基础的船舶高、低温冷库制冷新循环，不但可调节高温库的蒸发温度，而且也可使压缩机的回气压力得到提高，压缩机排气温度降低，单位容积制冷量上升，制冷系数提高，火用效率提高。 |
| 8. | This paper offers some performance data calculate with computer program and figures which variation of performances of refrigeration in different refrigerants and circle with evaporating temperature . it shows that it is feasible to calculate thermodynamic properties of refrigerants with equation of state pr in ideal circle and new refrigerants sfuch as r134a , r152a have not more coefficient of performance ( cop ) than r22 in single - press circle but still have preferable practical value in freezing refrigeration ; the results also demonstrate the importance and need for applying mixed - refrigerant in freezing
本文给出了几种制冷工质在单级和双级压缩制冷循环下的一些性能数据及各性能随蒸发温度变化比较图。结果表明，利用pr方程得出的制冷工质物性，可用于计算制冷循环性能；在单级制冷循环中， r12和r22仍具有较高的制冷系数，但新工质如r134a 、 r152a在较低温度制冷中具有很高的研究价值；计算也表明，在较低温度制冷中，混合工质的研究是极有价值的。 |
| 9. | It is illustrated that a ferroelectric stirling refrigeration cycle may possess the condition of perfect regeneration and its coefficient of performance ( cop ) is equal to that of a carnot refrigeration cycle , while a ferroelectric ericsson refrigeration cycle does not possess the condition of perfect regeneration so that its cop is smaller than that of a carnot refrigeration cycle
阐明了铁电斯特林制冷循环具有理想回热条件，其制冷系数等于卡诺制冷系数：铁电埃里克森制冷循环不具有理想回热条件，其制冷系数小于卡诺制冷系数。 |
| 10. | The influence of these irreversibilities on the performance of an absorption refrigerator whose working fluid flows continuously is investigated . the optimal relation among the coefficient of performance , cooling rate and overall heat - transfer area of the refrigerator is derived , from which some important performance bounds of the refrigerator are determined
这些不可逆性对工质作连续流动的吸收式制冷机性能的影响被揭示，并导出了制冷机制冷系数、制冷率和总热传导面积间的优化关系，由此确定了制冷机的重要性能界限。 |
