Determination on Blades Installation Size of Axial Fan for Mine Ventilation 矿用轴流式主通风机叶片安装尺寸的确定
New Structure of Slip Ring with Own Axial Ventilation Holes and Centrifugal Blades in the Winding Rotor Motor 具有轴向通风孔和离心风叶的绕线电机滑环
Temperature Distribution of Stator and Rotor Winding for Generator with Radial and Axial Ventilation 采用径、轴向混合通风发电机定转子绕组温度分布
Noise level as high as 113dB ( A) generated by air current of axial flow fan at the outlet of ventilation shaft of a coal mine poses big environment problems. 煤矿风井轴流风机气流速度大,扩散口噪声辐射强度高达113dB(A),降噪难度较大的低频成份突出。
A Study on the Design of Low-noise Axial Folw Fans Used in Tunnel Ventilation 低噪音轴流式隧道通风机设计研究
In this paper, author suggests the air-flow equivalent networks of an induction motor with axial, radial and compound ventilation systems by using the basic principles of fluid mechanics and referring to the real motion state of cooling air in the motor. 本文根据空气动力学基本原理和电机中冷却气流的实际运动情况,提出了轴向、径向和混合通风异步电机的等效风路网络;
The paper introduced the characteristics, methods and some aspects that must be noticed about the performance test of the contrarotating axial fan for mine ventilation at the actual locale based on difference of static pressure. 本文介绍了矿用对旋轴流式主通风机的现场测试的特点、基于压差法的测试方法及有关的注意事项。
Performance Test of Axial Fan for Mine Ventilation at the Actual Locale Based on Difference of Static Pressure 基于压差法的矿用轴流式主通风机现场性能测试
An on-line monitoring and fault diagnosis system of opposite-rotary axial primary fan for mine ventilation is introduced. The requirements of designing, the structure of the system, the process of working and the condition of running are also described. 介绍矿用对旋轴流式主通风机的在线监测和故障诊断系统的设计要求、系统组成、工作过程及运行情况。
Adjustment on axial flow ventilation fan of model CAF-28 GAF-28型轴流式通风机的调试
Factor Analysis for Leading to the Axial Fan Vibration in Mine Main Ventilation 矿井主通风机喘振的致振因素探析
One of the common problems for the 70B 2 axial flow fan widely used in the ventilation of coal mines is its low practical operating efficiency, which is caused by the backwards of the fan itself and the seriously unmatching between the fan and the ventilation requirement. 煤矿通风中广泛使用的70B2型轴流通风机的实际运行效率偏低,作者分析指出了导致这一结果的原因。
Micro axial flow fan is mainly used in computers, electronic instruments and other electronic components for cooling and ventilation. 微小型轴流风扇主要应用于计算机、电子仪器仪表等电子元器件的散热和通风。
The skewed and swept blades of mine axial fan gradually become major mine ventilation equipment with the high efficiency, low noise and performance reliable characteristic in mine ventilation machinery. 矿山通风机械中,弯掠组合叶片轴流通风机以其效率高、噪声低、性能可靠的特点逐步成为矿井主要通风设备。
Axial fan according to different conditions, testing the wind baffle duct, air pressure changes, the partitions within the partition duct leakage rate of air duct wall surface friction coefficients were determined that the tunnel ventilation is feasible partition. 根据轴流风机的不同工况,测试隔板风道内的风速、风压变化,对隔板风道内的隔板漏风率和风道内壁面摩擦阻力系数进行了测定,认为隔板巷道通风是可行的。