Experimental investigation on DC flow suppression and refrigeration characteristics of a high-performance single-stage GM-type pulse tube cooler has been undertaken. 从直流抑制角度出发,开展了高性能G-M型单级脉管制冷机的研究。
Based Stirling ideal refrigeration cycle, the heat transfer temperature differences in the cold end and heat end of Stirling cooler were dealt with dimensionless method. 基于斯特林理想制冷循环,对斯特林制冷机冷热端的传热温差进行无量纲化,分析了传热温差对斯特林制冷系数的影响关系。
In order to test the feasibility of which space stirling refrigeration and radiation refrigeration comprise hybrid refrigeration system and to determine the heat-transfer situation of stirling cooler in vacuum condition, The simulation tests of vacuum environment for stirling cooler were carried. 为了验证空间斯特林制冷与辐射制冷、实现复合制冷系统的可行性,获取斯特林制冷机在真空条件下的散热情况,进行了斯特林制冷机空间真空环境热模拟试验。
The influence of DC flow induced by the introduction of double-inlet on the refrigeration performance of the cooler is experimentally examined. 考察了直流流动对制冷机性能的影响,采用并联布置的双阀逆向型进气结构对直流进行抑制,成功地解决了脉管制冷机的直流问题;
In high-property film scanner, a charge coupled device refrigeration constant temperature system is composed of the temperature sensor, the semiconductor cooler, the programmable PWM impulse generator, the radiator and the fan. 在高性能胶片扫描仪中,CCD恒温制冷系统可以由温度传感器、半导体制冷器、可编程PWM脉冲发生器、散热片和风扇等组成。
According to the special requirement for an R13/ R22 cascade refrigeration system of a laboratory design without available equipment and experience for reference, designs evaporator/ condenser, air cooler, expansion container. 针对某工程选用R13/R22复叠式制冷系统设计试验室的特殊要求,在没有成套设备和可借鉴经验的情况下,自行设计了蒸发/冷凝器、冷风机、膨胀器等设备。
Research on refrigeration effect of air cooler in low temperature 低温空气冷却器制冷效果实验研究
Theoretical analysis on CO2 transcritical single stage compression refrigeration cycle is made. Results indicate that the evaporation temperature, gas cooler exit temperature and heat rejection pressure have important influence on the system performance. 单级蒸气压缩式CO2跨临界制冷循环的理论分析表明:蒸发温度、气体冷却器出口温度和高压压力对循环性能的影响较大。
The air and evaporation composite cooler is an energy efficient refrigeration equipment that using the energy from natural environment and without environmental pressures. It is a closed cooler and its core structure is the parallel combination with air cooling coil and evaporative cooling coil. 风冷与蒸发冷却复合型冷却器是将风冷却盘管与蒸发冷却盘管以并联组合的形式结合起来的闭式冷却器,是一种利用自然环境中的冷量并且无环境压力的高效节能制冷设备。
CO2 transcritical refrigeration cycle is widely used in a variety of conventional refrigeration systems, such as automotive air conditioning, marine air conditioning, and high temperature heat pump drying system, the gas cooler performance is closely related to the merits and efficiency of the system. CO2跨临界制冷循环广泛应用于各种常规制冷系统,如汽车空调、船用空调,以及高温热泵、干燥系统等,而气体冷却器的性能优劣与系统效率密切相关。