1) axial-flow fan
轴流式通风机
1.
By research of axial-flow fan characteristic distribution in high efficiency operating range,a distribution rule is discovered on the definite rotating speed and hub ratio condition,consequently condition of high efficiency operating point is easy to be found when axial-flow fan operating course is changed.
通过对轴流式通风机高效区分布特性的研究,找出了在转数和轮毂比一定的条件下其高效区域分布的规律,从而发现了通风机运行工况发生变化时高效工况点的情况,为通风机的运行平稳、安全可靠、工作效率的提高提供了理论依据。
2.
Numerical simulation of the tri-dimensional steady turbulent flow in bi-stage axial-flow fan is performed.
将SIMPLE算法与Realizablek-ε湍流模型相结合,通过求解Navvier-Stokes方程,对两级轴流式通风机的三维定常流动进行数值模拟。
3.
The N-S equation and Realizable κ-ε turbulent models are solved with SIMPLE method based on Fluent software for the axial-flow fan of OB-84 type.
利用Fluent软件,以OB-84型轴流通风机为对象,采用SIMPLE方法求解了N-S方程和Realizablek-ε湍流模型,对轴流式通风机的内部三维粘性流场进行了数值模拟研究,获得了设计工况下风机内部许多流动细节、规律及性能参数,并得出了结论。
2) axial fan
轴流式通风机
1.
According to the inlet and outlet velocity triangle of cascade,the paper approaches the reason that the bearing of two-grade fan for contra-rotating axial fan is more vulnerable than one-grade fan.
利用叶栅进口及出口速度三角形探讨了对旋轴流式通风机二级风机轴承较一级风机轴承易损的原因,并经实验和流场数值模拟得到证实,据此提出了解决的方案。
2.
And a method is obtained in selection of an axial fan with minimum power from various type of axial fans.
在选取轴流式通风机的叶轮直径和转速时,为保证风机消耗的轴功率最小,分析了轴功率的各种影响因素,依据最小轴功率原则和风机经济工作条件,总结出从同类型轴流式通风机中,选择所耗轴功率最小的风机叶轮直径和转速的方法,即首先计算必需的叶轮直径和转速,实际选择时,再取大于必需值的标准叶轮直径和转速。
3) axial flow fan
轴流式通风机
1.
Experimental study at the exit flow field of an axial flow fan with variable setting angle;
动叶可调轴流式通风机出口流场的实验研究
2.
By means of fluent software numerical simulations about three-dimensional interior steady flow field of axial flow fan and the separately calculations to four flow states have be done.
利用FLUENT流体计算软件对一轴流式通风机的内部流场进行了数值模拟研究,分别对风机的4种流量工况进行了单独的计算。
3.
This thesis aims at the saving energy problem for the axial flow fan with speed regulation,it begins with all air pressure equation of the axial flow fan,and derives the condition of the minimum energy consumption from the optimum control principle.
针对轴流式通风机调速节能的问题 ,从通风机全压方程入手 ,利用最优控制原理 ,推导出了调速控制的轴流式通风机最小能耗运行条件 ,为此类通风机调速节能运行提供了理论依
4) axial-flow fan and compressor
轴流式通风机与压缩机
5) axial flow fan
轴流通风机
1.
Study on pressure head characteristic of axial flow fan combined water jet dust-extraction fan;
轴流通风机与水射流除尘风机联合工作压头特性研究
2.
The article introduces the working mode and principle of axial flow fans used in coal mines,and explains in detail the influence of the S-curves of the air-tunnel on air loss and design of the S-curves.
文章介绍了煤矿用轴流通风机的工作方式和原理,并详细论述了通风道"S"弯处对风量损失的影响,以及通风道"S"弯处合理的设计方法。
3.
Carries out numerical simulation of the whole flow field,it is from the inlet of the collector to the outlet of the diffuser,in counter-rotating axial flow fan with the realizable turbulent model and the pressure boundary conditions.
采用Realizablek-ε湍流模型和压力边界条件对对旋式轴流通风机从集流器到扩散器出口的内部流场进行了数值模拟。
6) axial flow fans
轴流通风机
1.
The normal condition of air flow through axial flow fans outlet was studied based on the phenomenon of air flow away from solid boundary.
从气流离开固体壁面的射流现象 ,研究了电动机直接驱动或带内筒体的轴流通风机出口气流的一般情况 ,指出了GB12 36— 2 0 0 0标准中对轴流通风机的出口面积的确定不尽合理之处 ,并提出了两点改进意
补充资料:轴流式通风机
分子式:
CAS号:
性质:利用固定在轴上的叶轮在旋转时产生的轴向推动力来输送气体的通风机。型式很多,通常装于需要通风处的墙壁孔或天花板上。产生的压力不高,一般在0.24kPa(25mmH2O)以下,但也可在高达0.98kPa(100mmH2O)下输送大量的空气。在化工厂中常用于冷却塔的通风。此外,还可用来消除含有尘灰的不洁气体。
CAS号:
性质:利用固定在轴上的叶轮在旋转时产生的轴向推动力来输送气体的通风机。型式很多,通常装于需要通风处的墙壁孔或天花板上。产生的压力不高,一般在0.24kPa(25mmH2O)以下,但也可在高达0.98kPa(100mmH2O)下输送大量的空气。在化工厂中常用于冷却塔的通风。此外,还可用来消除含有尘灰的不洁气体。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条