制冷系统

Air（初三适用）空调客车制冷系统的（火用）分析及其改善途径

An Exergy Analysis of the Refrigeration System of the Air Conditioned Coach and the Way for Its Improvement

带引射器和经济器的CO2跨临界制冷系统

Ejector combined with economizer adopted in co_2 transcritical cycle refrigeration system

CO2制冷系统的最优高压压力研究

Research on the optimum high pressure of CO_2 refrigeration system

CO2混合物用于复叠制冷系统的性能

Performance of CO_2 Mixtures Used in Cascade Refrigeration System

带节能器的CO2跨临界循环制冷系统

CO_2 Transcritical Cycle Refrigeration System with Economizer

CO2/R170混合物作为复叠式制冷系统低温环路制冷剂的性能

Performance of binary mixture of CO_2 / R170 as low temperature circuit refrigerant in cascade refrigeration system

基于aspenplus的自然复叠制冷系统过程模拟分析

An Analysis of the Process Simulation of Natural Cascade Refrigeration System Based on Aspen Plus

当溶液入口温度达到90℃时，其COP值达到0.83，比传统吸收式制冷系统的COP值高22%。

When the inlet temperature is 90 ℃, the COP can reach 0.83 , which is higher than that of a conventional absorption chiller by 22 % .

发展了以CaCl2、NH3为工质对的太阳能固体吸收式制冷系统的动态模型。

A dynamic model is established for the solar-powered solid absorption refrigeration system using CaCl 2 and NH 3 as working pair .

节流阀把高压侧压力节流到蒸发压力，同时控制高压侧压力并使其随气体冷却器出口温度的变化而变化，CO2制冷系统调节特性与传统制冷系统不同。

By throttles , the high pressure is dropped down to evaporator pressure , and changed with the refrigerant temperature at the gas cooler , the regulation characteristics of the system are different from traditional system .

试验装置采用R22的双级压缩制冷系统，低温箱的结构可承受试验时的大荷载。

The device adopted a R22 double-stage compression and refrigeration system . Low temperature box could bear large loads during the experiments .

分析了回热和CO2热物性对COP的影响，并结合船舶特殊的运行环境，对制冷系统的设计提出了若干建议。

The effect of heat regeneration and thermophysical properties of CO_2 on the COP was analyzed . With the special operating conditions of ships taken into account , suggestions were made on the design of marine refrigeration system .

为减小CO2跨临界循环系统节流部分的膨胀功损失，提高系统性能，可在小型制冷系统中采用喷射器代替节流阀，部分回收工质从高压到低压过程的膨胀功。

An ejector should be adopted in some low cooling-capacity refrigerating systems instead of a throttle valve to recover some high-pressure potential power and reduce the irreversible energy loss of throttle process for improving the energy efficiency ratio ( EER ) of the CO_2 system .

渔船R-22直接膨胀制冷系统研究

Research on R-22 direct expansion system used on fishing boat

4M-2000A高温超导电缆制冷系统

The Cryogenic LN_2 System for 4M-2000A Superconductor Cable

至今，CO2制冷系统所用的微通道换热器已有多种型式，针对CO2的性质设计高效的微通道换热器对提高CO2制冷系统的性能非常重要。

Up to the present , there are many different types of microchannel heat exchangers used in CO 2 refrigeration system , so how to design high efficient microchannel heat exchangers is more helpful to improve the performance of CO 2 refrigeration system .

结果表明：采用非共沸环保混合制冷剂（R744/R717）-40℃低温冷柜自然复叠制冷系统在保持压缩比小于8的同时能获得COP值高达0.71，是一个有发展前途的制冷系统。

It is shown that the - 40 ℃ freezer using zeotropic refrigerant mixture of R744 / R717 has high COP of 0.71 while keeping the compressing ratio less than 8 . It is a promising refrigeration system .

KCR-27型窗式空调器制冷系统模拟与优化

Simulation and Optimization for the Refrigeration System of Air Conditioner KCR-27

利用aspenplus流程模拟软件作为软件平台，建立了前冷系统、乙烯制冷系统、丙烯制冷系统的稳态模拟模型，并把其模拟结果与S&W公司提供的原设计数据进行对比，对模型进行了验证。

A process simulation software-ASPEN PLUS was used to build the models of cold box section and refrigeration system . The simulation results were compared with design data provided by S & W , and the models proved to be good .

对溴化锂两级吸收式制冷系统中间压力pm（即低压发生器压力）的取值进行了理论计算和分析，得出了中间压力的取值范围及计算公式，可供两级吸收式制冷系统设计时参考。

The medium pressure ( the pressure of low-pressure generator ) for LiBr / H2O two-stage absorption refrigeration system is predicted by theoretical analysis . The range and calculation formulas of medium pressure are obtained to provide the basis for the design of two-stage absorption refrigeration system .

R410A作为最可能的替代物，其替代性能需要进一步研究，尤其是制冷系统需要较大的改进。

As the most promising alternatives , the altemative performance of R410A should have a further research , especially for the improvement of the refrigeration system .

以实际制冷系统的热力性能参数实验数据为样本，对比研究了标准BP算法、含学习率优化的最速下降法和含学习率优化的BFGS法的学习过程。

Taking the experimental data of thermodynamic performance of refrigeration systems as training samples , the training courses were compared , which use the standard BP algorithm , steepest descent algorithm with learning rate optimization , and BFGS algorithm with learning rate optimization , respectively .

介绍了我国新研制成的首条双通道热绝缘型4M-2000A高温超导电缆制冷系统。

The new development of the cryogenic LN 2 system for the first 4M-2000A two passages superconductor cable with hot insulates in China is described in this paper .

介绍CFC对臭氧层的破坏机理和氟氯烃制冷系统的替代，讨论了CFC11、CFC12、HCFC22替代工质的性能，指出CFC替代技术的发展方向。

In this paper the author introduces the mechanism that CFC damages the ozone layer and CFC alternative refrigeration systems . The characterizations of alternative refrigerants of CFC-11 、 CFC-12 、 HCFC-22 are discussed in this paper . The author also pointed out development direction of CFC alternative technology .

冷库氨双级压缩制冷系统最佳工况研究

A Study of Optimum Conditions for Two-Stage Compression Ammonia Refrigeration System

制冷系统变工况性能数值模拟与实验研究

Numerical Simulation and Experimental Study on Working Process of Refrigeration System

新学科制冷系统热动力学初探

Primary research for new subject " thermo-dynamic of refrigeration system "

自行复叠式制冷系统毛细管的计算

The calculation of capillary tube in auto - cascade refrigerating system

压缩增压氟里昂蒸喷制冷系统热力性能的研究

The Thermodynamic Performance Study of Enhanced Fluorinated Hydrocarbon Ejector Refrigeration System

超市制冷系统冷凝热回收应用研究

Study on Refrigeration System with Heat Reclaim of Compressor Discharge Gas