The flow traces of particulates and the erosion of impellers in centrifugal fans with particulates were calculated and analysed in this paper.
本文分析并计算了含尘离心风机叶轮的磨损和尘粒的流动轨迹。
This paper presented the flow field analysis in centrifugal impellers compressing perfect and real gases respectively.
本文对压缩理想气体和实际气体的离心式叶轮作了流场分析。
The finite element method is used for the three-dimensional flow field calculation in designing centrifugal pump impellers.
为进行离心泵叶轮的三元设计，用有限元方法解决了离心泵叶轮三元流场的计算问题。
This paper presented the flow field analysis in centrifugal impellers compressing perfected real gas respectively.
目的是讨论离心式叶轮内理想气体与实际气体流场分析结果之间的差异。
A new unified flow equation is proposed in this paper for semi-inverse problem solving flow equations on S2 stream face for various types of impellers.
本文建立了S2流面半反问题的通用方程，能够直接适合多种形式的叶轮。
According to the aerodynamic noise analysis of cross flow fans, investigates the mechanism of reducing noise due to the adoption of non-isometric impellers.
根据对贯流风机气动噪声的分析，研究了采用不等距叶轮的降噪机理。
A fan comprises a frame, motor base, impellers, flow guide parts and at least one flare opening.
一种风扇包括扇框、马达底座、叶轮、导流组件与至少一外扩部。
When submersible pumps for wells have qualified efficiency, the high head and flow of impellers will generate reactive power loss.
在效率合格的情况下，井用潜水泵的叶轮扬程和流量偏高时会产生无功损耗。
In the present method, the orthogonal design and the three-dimensional viscous flow field computation were used to determine the optimum controlled deceleration flow in impellers and the blade curves.
提出采用可控减速法设计离心风机两元叶片，即通过三维黏性流场计算，采用正交试验设计方法，以确定流道内平均速度的减速规律和叶片型线。
A novel surface aeration reactor is designed with incorporation of self-rotating flow guide (SRFG) for multiple impellers.
应用多层桨自旋导流技术，设计了一种新型自旋导流表面曝气反应器。
Two impellers are redesigned using the optimization system. In the whole mass flow ranges at design rotating speed, the efficiency is improved obviously and the pressure ratio keeps nearly unchanged.
采用所研制软件，对两个离心压气机工作轮进行优化设计，优化工作轮达到在压比近似不变的前提下效率有效提高。
Two impellers are redesigned using the optimization system. In the whole mass flow ranges at design rotating speed, the efficiency is improved obviously and the pressure ratio keeps nearly unchanged.
采用所研制软件，对两个离心压气机工作轮进行优化设计，优化工作轮达到在压比近似不变的前提下效率有效提高。
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