采用分析的方法对制冷循环各部件进行了分析,同时比较了混合工质一次节流循环和内复叠循环热力性能。
Extensive comparison is made between the single-stage cycle and a typical auto-cascade cycle using same mixed-refrigerant.
以抽真空与节流相结合为基础,给出了几种超流氦冷却循环方式;分析了这几种方式的流程机理和冷却特性。
Based on vacuum pumping accompanied with throttling process, presenting several superfluid helium cooling cycles and analyzing their flow principle and cooling characteristic.
对于强制循环系统,为了避免循环水动力的多值性,设计均要求在每一根水冷壁管设置节流孔板。
For the forced circulation system, to avoid the excessive values of circulation water dynamic, every water cooling tube must be mounted throttle plate in the design.
对于某一特定尺寸的节流管线,第一循环周及第二循环周的最大流量随着水深的增加而增加;
When size of choke line is not variable, the first and second circulation rate increases with well depth increasing.
本文通过综合分析,选择将两级节流中间不完全冷却双级压缩循环应用于空气源热泵热水器以适用低温工况。
With comprehensive analysis, two-stage compression cycle is applied to air-source heat pump to adapt to the low-temperature environment.
通常只有当遇到需要额外工作负载时,工作循环才会大于25%,如阀门处于节流状态或驱动大型蝶阀的应用场合。
Duty cycles greater than 25% are generally needed only when additional work loads are encountered, such as valve modulation or in actuation of larger butterfly valves.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀组成冷媒水闭路循环系统提供冷源。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
冷媒水箱由管路与制冷器、冷媒水泵和冷媒水节流阀组成冷媒水闭路循环系统提供冷源。
The refrigerant liquid tanks form a refrigerant water closed circulation system through pipes, a refrigerator, a refrigerant water pump and a refrigerant water throttle valve to supply a cold source.
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