在实验室环境研究轴流式通风机噪声的主动控制问题。
The initiative control of the noise producing by axial flow ventilator is investigated in experiment environment.
通过数值模拟手段，对一矿用对旋式轴流式通风机小流量工况内部流动进行了深入研究。
By means of numerical simulation, the research on inner-flow of mining contra-rotating axial flow fan working under low flow rate condition was made.
分析了开发设计者的包装方法，并对轴流式通风机与对旋式局部通风机作了比较和试验研究。
The packaging way of developer and designer is analyzed. Comparison and test research are carried out on axial fan and counter rotating local fan.
针对2k70型轴流式通风机从集流器进口到扩散器出口的内部三维全流场做了定常的数值模拟。
A numerical simulation of the three-dimensional steady flow field in the whole flow field, from the inlet of the collector to the outlet of the diffuser, a 2k70 axial-flow fan is performed.
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.
WT35-11型为屋顶轴流式通风机，该风机为中低压大流量风机，可设计成送风、排风或双旋转可逆式。
WT35-11 comes as an axial-flow roof fan that features low and medium levels of pressure and heavy wind flow and can be geared to the needs of blowing, exhaust and double-rotation reversible mode.
目前轴流式通风机在煤矿是普遍的主通风设备，文章阐述了变频器在轴流式风机中的应用，以解决主扇调整风量和节能降耗的问题。
Axial flow fan is the main ventilation device presently. This paper introduces the application of axial flow fan, settles saving energy problem and air regulation problem.
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.
简要论述局部扇风机（轴流式通风机）产生不稳定工况的原因和变化规律，提出以分流器消除风机特性曲线驼峰区段、使其工作运行稳定的技术措施。
The technical measures are given out by which the hump zone of characteristic curve of the local fan can be eliminated using a current divider and the operaiting stability of the fan can be improved.
介绍了矿用对旋轴流式主通风机的在线监测和故障诊断系统。
On-line monitoring and trouble diagnosis system of counter-rotating type of axial fan for mine is introduced.
我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。
In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.
我公司除生产销售JTB系列罗茨风机外，同时还生产销售DT低噪声柜式离心风机、T35/BT35、T30轴流风机、CF多翼型离心通风机及DWT型轴流式屋顶通风机等。
In addition to JTB series Roots blower, our company also produces and sales low-noise DT tank centrifugal fan, T35/BT35, T30 axial fans, CF more airfoil centrifugal fan and axle roof ventilator.
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