强调了矿用离心式通风机加装扩散器的重要性。
It emphasizes the importance of installing prcper proliferater in mine-used centrifugal fans.
对与离心式通风机的气流冲角等相关度问题进行了探讨。
This paper has discussed the problems related to flow incidence Angle in centrifugal fan.
研究结果揭示了多叶离心式通风机内一些重要的流动特征及其变化规律。
The results show the many important phenomena of the internal flow and their development in the multi-blade centrifugal fan.
在基本假设的条件下，导出了筒形离心式通风机筒壳内气体流动速度的近似计算公式。
With the condition of the basic hypothesis, the approximate calculation formula was worked out on the gas folwing speed in the tubular centrifugal ventilator.
72型离心式通风机可输送空气和其他不自燃、对人体无伤害、对钢材无腐蚀性的气体。
4-72 type centrifugal fan will pump air and other non-self-ignition of the human to the steel non-corrosive gases.
针对中、小型煤矿离心式通风机在技术改造过程中的不同方案，进行了理论探索和方法分析。
Aiming at the different plans of technological transformation for centrifugal main fan used in middle or small size mines, theoretic exploration and method analysis is carried out.
本文对离心式及轴流式通风机采用不同的目标函数、设计变量、约束条件和优化方法进行优化设计。
Centrifugal and axil ventilating fans are optimized by using different objective functions, different variables of design, different constraint forced conditions, different methods of optimization.
主要针对中小型煤矿的离心式主通风机改造进行了理论探索、方法分析和实际应用。
The probe of theory analysis of scheme and application of practice are made on centrifugal main fan used in mid or small coal mine in this paper.
主要针对中小型煤矿的离心式主通风机改造进行了理论探索、方法分析和实际应用。
The probe of theory analysis of scheme and application of practice are made on centrifugal main fan used in mid or small coal mine in this paper.
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