为了提高大型通风机设计计算的准确性，必须对有效功等计算进行修正。
In order to improve calculation accuracy, factors such as effective power have to be corrected for calculation in design of a large ventilator due to higher impeller peripheral velocity.
可选的EC风机，沉没式EC风机设计，与普通EC风机相比节能20%。
Optional EC fan, sunk EC fan design, saving energy by 20% compared with ordinary EC fan.
对传动链中的转子叶片和机械部件的合理性进行检查，可以借鉴相似大小风机设计经验。
The rotor blades and the machinery components in the drive train are also checked for plausibility, if it is possible to apply the experience gained in the dimensioning of similar turbines.
阐述了风机设计中叶片翼型的几何特性、用解析方法叠加翼型，以及建立翼型周线方程的方法。
Geometric characteristics for blade aerofoils during fan design, superposed aerofoils by analytic method, and the method to set up aerofoil circumference equation method are described.
文中介绍了煤矿用轴流式通风机设备安装布置图CAD系统设计的基本思想与原则，详细说明了图块的分解、绘制以及总图组装等问题。
The article introduces the basic idea and principle for the CAD system's design of the shaft fan's installation drawing in the coal mine.
文章综述了煤矿用防爆对旋轴流风机的设计特点、气动设计、配套用电机设计以及加工制造和保证安全可靠的措施。
This article introduces the design features, pneumatic design of explosion-proof contra-rotating axial fan, and the design, manufacture of fitted motor and the safety measures.
并提出从电机设计方面实现限载型通风机的方法。
From the point of view of design, puts forward method to develop the ventilator operating within the limits of load.
并提出从电机设计方面实现限载型通风机的方法。
From the point of view of design, puts forward method to develop the ventilator operating within the limits of load.
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