压缩机

But studies have demonstrated that the impellers' efficiency can reach up to more than 90%.

以单机离心压缩机为例，目前我国设计和生产的机器，其整机效率的期望值为83%左右，但研究表明叶轮的效率则可高达90%以上。

The approach of analyzing the strength and vibration of centrifugal impellers with ANSYS is briefly introduced.

设计高强度高可靠的离心叶轮，是摆在离心压缩机研究者们面前的一个重要任务。

Finally, the test rig to measure the unsteady excitation force of centrifugal impellers is constructed, and this provides a base of future research.

最后建造了离心压缩机气流激振力的测量试验台，并进行了初步的测量，为以后的分析研究打下了基础。

For example, the expected aerodynamic efficiency of the single stage compressors that are currently produced in China is about 83%. But studies have demonstrated that the impellers' efficiency can reach up to more than 90%.

以单机离心压缩机为例，目前我国设计和生产的机器，其整机效率的期望值为83%左右，但研究表明叶轮的效率则可高达90%以上。

A model of the friction pair of journal bearing alike of the scroll compressor was established.

摘 要：分析了立式高压型涡旋压缩机在稳定运行工况下的摩擦副及其摩擦润滑状态。

The influences of volumetric coefficient, pressure coefficient, temperature coefficient, and leakage coefficient on compressor volumetric efficiency were analyzed.

容积系数主要与压缩机的结构尺寸和吸、排气压力比有关，压力比的变化对容积系数构成以多变膨胀指数为幂的指数影响；转速变化对压力系数构成二次影响；温度系数和泄漏系数同时受到与压力比和转速的影响。

Understand maintenance procedure of compressor, pump, blower, turbine, tower and heat exchanger etc, and prepare lifting plan accordingly and direct big scale equipment.

了解压缩机、泵、风机、汽轮机、塔、换热器检维修工作程序，根据检修要求制订起重吊装方案并能够指挥吊装大型设备。

Understand maintenance procedure of compressor, pump, blower, turbine, tower and heat exchanger etc, and prepare lifting plan accordingly and direct big scale equipment.

了解压缩机、、机、轮机、、热器检维修工作程序，根据检修要求制订起重吊装方案并能够指挥吊装大型设备。

Low-pressure compressor cylinder on the restoration, embedded with the cylinder, the crankshaft, connecting rod, and other parts of the restoration.

对压缩机低压气缸的修复、缸套的镶配、曲轴、连杆等部件的修复。

First-class equipment for high-precision machine tools single screw compressor is the key equipment, but also abroad on China's blockade of the key.

高精度专用机床是单螺杆压缩机的关键设备，也是国外对我国封锁的重点。

It has been put forward that there exists single Ball point and double Ball points on the symmetrical connecting-rod curves of equilateral mechanisms.

从鲍尔点的形成原理出发，分析对称连杆曲线上鲍尔点的产生条件，提出等边机构的对称连杆曲线上有单鲍尔点和双鲍尔点。

The factory affiliated to the Group primarily manufactures multiple-purpose pincers, baking kits, knives, scissors, kitchenware, gardening tools and beauty care kits as well as other hardware tools, the annual production value of which reaches US$ 30 million dollars.

集团所属工厂主要生产多用钳、烤具、刀具、剪刀、厨具、花园工具、美容套等五金产品，年生产总值3000万美元，产品价廉物美、选料上乘、质量保证，深受国内外客户的青睐