逆循环

本文针对风冷热泵冷热水机组的逆循环除霜进行了实验研究，得到了除霜时系统参数随时间的变化规律。

The influence of the expansion device on the reverse cycle defrost performance in an air-to-water heat pump was investigated experimentally .

常规工质逆循环中，包括压缩机、换热器及系统控制等在内的各部分都得到了较为完善的发展，唯独节流部件是例外。

In conventional reverse cycle , all parts including compressor , heat exchanger and system control etc. , have been got a more perfect development .

二氧化碳逆循环中气体冷却器的传热窄点分布

Distribution of Heat Transfer Pinch Point of Gas Cooler in CO_2 Inverse-cycle

采用迭代法逆循环计算方法，计算井口压力和井口气液排量。

The pressure and flow rate of fluid in well head were calculated using iteration .

左肺逆循环伴双向腔肺吻合术的动物模型建立

Establish the Reversal Model of Left Lung Blood Flow with Bidirectional Cavopulmonary Anastomosis in Canines

节流机构对风冷热泵冷热水机组逆循环除霜时间的影响

Effect of Expansion Device on the Reverse-Cycle Defrost Time of an Air-Source Heat Pump Chiller

关于逆循环的几个问题

Problems on the Reversed Cycle

风冷热泵冷热水机组热气旁通除霜与逆循环除霜性能对比

Comparison of Dynamic Characteristics Between the Hot-Gas Bypass Defrosting Method and Reverse-Cycle Defrosting Method on an Air-to-Water Heat Pump

左半部是制冷剂循环，属逆循环，由冷凝器、节流装置和蒸发器组成。

The left is refrigerant circulation , of inverse circulation , the condenser and evaporator , the throttle device composition .

废热锅炉刺刀管换热元件中逆循环流动特性的实验研究

An experimental investigation on the flow characteristics under reverse circulation conditions of a bayonet tube type heat transfer element in waste heat boilers

二次空气对汽油机冷起动过程排放影响的研究二氧化碳逆循环中气体冷却器的传热窄点分布

Study on the Emission in a SI Engine with Secondary Air during Cold Start ; Distribution of Heat Transfer Pinch Point of Gas Cooler in CO_2 Inverse-cycle

在制冷量为55kW的风冷热泵冷热水机组上，比较了热气旁通除霜和逆循环除霜的性能。

The dynamic characteristics for both the hot-gas bypass defrosting method and the reverse-cycle defrosting method were compared experimentally on a 55 kW unitary air-to-water heat pump .

利用恒定回压法和逆循环迭代法建立了水平井泡沫钻井过程中井筒循环压力的计算方法，开发了相应的应用程序。

The wellbore pressure calculation method in foamed horizontal drilling was then proposed using constant back prssure and reversal circulation iteration , and relevant application program was developed .

此外，本文还从工质流动特性上讨论了刺刀管式废热锅炉发生逆循环对于设备安全运行的影响。

In addition , the effect of the reverse circulation in a bayonet tube type waste heat boiler on the safe operation of the apparatus is also discussed .

模拟结果表明，摩擦损失对膨胀机效率影响较大，是提高膨胀机效率关键应解决的问题。最后，对常规制冷逆循环中取代节流阀的膨胀机可实现的试验方式进行了探讨。

The results show that the friction loss has a greater impact on the expander efficiency and is key problems to be solved to improve the efficiency of expander . Finally , the realisable testing of expander has been discussed .

但是不得不看到的是，将逆循环装置中取代节流阀的膨胀机应用于大中型制冷与热泵机组时，可回收的膨胀功比较可观。

But what have to see is that the recoverable work is substantial when a expander , in a medium or large refrigeration and heat pump units , has been used to replace the throttle in a conventional reverse cycle .

CO2跨临界（逆）循环的热力学分析

Thermodynamic analysis of CO _ 2 transcritical cycle

逆斯特林循环在CFCs替代技术中的地位

The Position of Reversed Stirling Cycle in CFCs Alternative Technology

采用逆布雷顿循环的空气制冷机在普冷和深冷领域得到了越来越广泛地应用，而且随着国际上对CFCs工质的限制，对环境无污染的空气制冷机具有更加广阔的应用前景。

Reverse Brayton air refrigerator was efficiently used in the refrigeration and cryogenic field in recent years , and because of the restriction of CFCs , it will be used more widely .

利用一种量化的评估方法，对逆斯特林循环进行全面评估，给出了逆斯特林循环在CFCs替代技术中的地位。所得结论对CFCs替代技术的研究具有一定的参考价值。

An assessment method that uses a kind of quantification carries out overall assessment for the reversed Stirling-cycle , gives the position of the reversed Stirling-cycle in CFCs alternative technology and gets conclusion having a value for the research of CFCs alternative technology .

逆斯特林循环应用在空调中的理论研究

Theoretical Study of Reverse Stirling - Cycle in Air - conditioning

天然气正逆联合循环动力及经济性匹配研究

Study on gas joint positive and negative cycle power and economy matching

氨水功冷正逆耦合循环的经济性分析

Economic analysis of an ammonia-water power / refrigeration cogeneration system

小型透平逆布雷顿循环空气制冷机的研制

Development of Small Turbo Reverse-Brayton Cycle Air Refrigerator

使用箔片径向气体轴承的透平逆布雷顿循环空气制冷机闭式循环燃气轮机装置

A TURBO-REVERSE BRAYTON AIR REFRIGERATOR WITH FOIL GAS JOURNAL BEARINGS closed cycle gas turbine installation

同时，对逆布雷顿循环低温制冷机的研究有利于空间和宇航制冷技术的发展。

The research of Reverse Brayton cycle cryogenic refrigerator will prompt the development of space technology .

蒸汽动力循环耦合正、逆制冷循环的电站空冷系统

A New Air Cooling System by Steam Power Cycle Coupled With the Positive and Negative Sequence Refrigerating Cycle

焦平面探测器用集成式斯特林制冷机数值模拟计算逆斯特林循环应用在空调中的理论研究

Numerical Analysis of the Integration Stirling-Cycle Refrigerator Applied to Focal Plane Array Detector Theoretical Study of Reverse Stirling-Cycle in Air-conditioning

对逆布雷顿循环空气制冷机进行了性能分析，建立了空气制冷机各部件的数学模型。

The performance of the Reverse-Brayton cryocooler is analyzed , the mathematic model of the components of the cryocooler is established .

微型燃气轮机向心透平内部流动分析使用箔片径向气体轴承的透平逆布雷顿循环空气制冷机

Flow Characteristics of the Radial Inflow Turbine Rotor of a Micro Gas Turbine A TURBO-REVERSE BRAYTON AIR REFRIGERATOR WITH FOIL GAS JOURNAL BEARINGS