压缩机

Secondly, a plenum chamber model is added at the vaneless diffuser outlet to simulate the rotating stall flow phenomenon inside the centrifugal compressor.

然后引入出口气腔模型，模拟离心压缩机内的旋转失速流动。

Numerical simulation results of rotating stall flow phenomenon inside a centrifugal compressor with vaneless diffuser by solving three-dimensional Reynolds averaged compressible N-S equations using commerical CFD software CFX adopting RNG k-ε turbulence model are presented.

使用商业计算流体力学软件CFX求解三维雷诺平均的Navier-Stokes方程组，结合出口气腔模型对某带无叶扩压器的离心压缩机的旋转失速现象进行数值模拟。

This paper studies numerically the influence of the tip clearance on the three-dimensional viscous flowfield and performance of the NASA Low-Speed Centrifugal Compressor impeller with a vaneless diffuser. A three-dimensional viscous code developed by the authors is applied with several acceleration methods: local time-step, multigrid and residual smoothing.

通过求解N-S方程，数值研究了叶顶间隙对NASA低速大尺度离心压缩机三维粘性流场及气动性能的影响，在计算程序中采用了当地时间步长、多重网格以及隐式参差光顺来进行加速。

As a world-renowned instrument manufacturer - the United States Dwyer, Alicat, InstruTech, Wasco, Anderson, AutoTran, such as the United Kingdom Pyropress agent distributors in China, Longóprovide nearly species-related differential pressure, pressure, vacuum, flow rate, wind speed , temperature, humidity, level and the valves and other products, they are widely used in industrial automation, HVAC, building automation, power plants, petroleum, chemicals, water treatment, boiler, compressor, refrigeration refrigeration equipment, food, medicine, light industry, environmental protection, clean engineering and other fields.

作为世界著名仪器仪表生产厂家—美国Dwyer、Alicat、InstruTech、Wasco、Anderson、AutoTran，英国Pyropress等在中国的代理经销商，朗润达公司提供近万种有关差压、压力、真空、流量、风速、温度、湿度、物位和阀门等产品，它们广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理，锅炉、压缩机、冷冻制冷设备、食品、医药、轻工业、环保、洁净工程等领域。

Acting as the agency and distributor of some world well-known manufacturers of instruments in China , such as Dwyer, Alicat, InstruTech, Wasco, ArutoTran, Pyropress, and so on. LongRadar offer approximate ten thousand of products of Pressure, Vacuum, Flow, Air Velocity, Temperature, which are commonly applied in the fields of industrial automation, HVAC, building autoimmunization control, electric power, petroleum, chemical industry, boilers, water treatment, compressors clean industry etc.

作为世界著名仪器仪表生产厂家—美国Dwyer、Alicat、InstruTech、Wasco、Anderson、AutoTran，英国Pyropress等在中国的代理经销商，朗润达公司提供近万种有关差压、压力、真空、流量、风速、温度、湿度、物位和阀门等产品，它们广泛应用于工业自动化、暖通空调、楼宇自控、电厂、石油、化工、水处理，锅炉、压缩机、冷冻制冷设备、食品、医药、轻工业、环保、洁净工程等领域。

Equipped with world-famous ZEL compressor, high quality components and perfect refrigerating system, the ice maker can offer speedy production, good quality and high capacity 24KG/24H

采用世界名牌ZEL压缩机及优质元器件，制冷系统精心匹配，制冰速度快，冰块质量好，产冰量大22KG/24H

With the development of industry , sometimes we need compressed gas without polluted by lube (or not by a long sight allow gas to contract with lube), but now most kinds of scroll compressor are still lubricated by oil.

随着工业的发展，常要求气体在压缩时不被润滑油所污染，而目前大多数涡旋压缩机采用有油润滑。

The compressor section compresses the air and increases the pressure and temperature.

第压缩机压缩的空气和增加了压力和温度。

Also the effect of the reverse circle defrosting on the compressor's performance was investigated by the experiment.

生产量大幅上升，在各种冷水机组和风冷热泵系统中螺杆制冷压缩机的应用十分广泛。

Electrolux, Stockholm, Sweden, is considering discontinuing compressor production in the United States.

伊莱克斯正在考虑停止其压缩机产品在美国的生产。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。