1) refrigeration cycle mode
制冷循环方式
1.
Taking the application of screw compressor on the water source heat pump in Qinghai province for example,the choice of the refrigeration cycle mode was studied and the comparative analysis of the single-stage and dual-stage compression refrigeration cycle was carried out.
以螺杆式压缩机组在青海省水源热泵当中的应用为例,对制冷循环方式的选择进行了探讨,把采用单级和双级压缩制冷循环方式进行对比分析,得出了采用一次节流中间不完全冷却制冷循环方式耗功率较小,性能系数较大,热力完善度较高并且火用效率较高。
2) overcooled refrigeration cycle
过冷式制冷循环
3) Cascaded refrigeration cycle
复叠式制冷循环
1.
The R290 water-cooling condenser is designed taking into account the performance characteristic of R290 used in R290/CO2 cascaded refrigeration cycle and the characteristics of condensation heat transfer of R290 two-phase flow.
针对R290的性能特点和管内两相流的冷凝换热特性,设计并制造了R290/CO2复叠式制冷循环中的R290水冷式冷凝器,为自然工质R290/CO2复叠式制冷循环系统的研究和实际应用奠定基础。
2.
The R290/CO2 condenser-evaporator is designed taking into account the heat exchange characteristic of CO2 condensation and R290 evaporation in R290/CO2 cascaded refrigeration cycle.
针对R290/CO2复叠式制冷循环系统中R290与CO2的冷凝蒸发换热特点,设计了R290/CO2冷凝蒸发器,对R290/CO2冷凝蒸发器进行了安全性分析,制造出的U型换热管式R290/CO2冷凝蒸发器,为自然工质R290/CO2复叠式制冷循环系统走向实际应用打下了基础。
3.
Experiment of vapor compression cascaded refrigeration cycle with R290 and CO_2 as the refrigerants was carried out by setting up R290/CO_2 cascaded refrigeration system.
通过建立R290/CO2复叠式制冷系统实验台,对R290/CO2蒸气压缩复叠式制冷循环进行了实验研究,结果表明,CO2循环在较低温度下运行,黏性对CO2经过压缩机的性能影响较大,对流过管路的影响较小,CO2压缩机的压力比高于R290压缩机的压力比,但由于CO2压缩机由吸入的较低温度的工质冷却,CO2压缩机的排气温度低于R290压缩机的排气温度;CO2循环的能量损失较大,使得CO2循环的性能系数低于R290循环的性能系数。
4) cascade refrigeration cycle
复叠式制冷循环
1.
Analysis of thermodynamic performance in CO_2 cascade refrigeration cycle;
二氧化碳复叠式制冷循环的热力性能分析
2.
The COP variation trends and its maximum COP of the cascade refrigeration cycle adopted hydrocarbon mixtures under different evaporation temperature from-80℃ to-60℃ are obtained through theoretical thermodynamic calculation.
通过热力学理论计算,得到了-80~-60℃蒸发温度下采用这些碳氢化合物组合的复叠式制冷循环的最大COP值,以及COP的变化规律,并与R22/R23作为制冷剂的复叠式制冷循环进行了对比;发现了其中R290/R170和R1270/R170与R22/R23性能接近;可以作为复叠式制冷循环的替代制冷剂。
3.
Focuses on the effect of heat exchangers on the performance of CO_2/R290、CO_2/NH_3 cascade refrigeration cycle.
以CO2/R290、CO2/NH3复叠式制冷循环为例分析了回热器对系统性能的影响,在考虑回热器对系统质量流量影响的基础上,比较分析了系统制冷量、COP的变化和对最佳中间温度的影响,指出了利用回热器提高复叠制冷系统性能的原则,并建立了高低温回热器效率之间的联系。
5) absorption refrigeration cycle
吸收式制冷循环
1.
The contrast between the water-lithium bromide-lithium nitrate and the water-lithium bromide absorption refrigeration cycle;
水—溴化锂—硝酸锂与水—溴化锂吸收式制冷循环的比较
2.
Thermodynamic analysis of ammonia-water absorption refrigeration cycle;
氨水吸收式制冷循环的热力学分析
3.
Studied was the automatic control of energy regulation in a novel lithium-bromide/water absorption refrigeration cycle with energy storage units.
研究新型混合吸收式制冷循环的能量调节的自动控制问题。
6) closed cycle refrigerator
闭式循环制冷机
1.
This paper represents the design idea of the 4K closed cycle refrigerator with inserted-type interface used for present MRI.
介绍了用于对现有的核磁共振成象仪进行零蒸发率改造的插入式闭式循环制冷机的设计思路，制冷机流程参数最佳化计算步骤及计算结果。
补充资料：制冷循环
分子式：
分子量：
CAS号：
性质：见冷冻循环。
分子量：
CAS号：
性质：见冷冻循环。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
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