mean camberline

Calculations of flow field of flow surface of impeller S1 and S2 were carried out;Effect of impeller of different blade profile on the highest pressure point,optimum operating point,shape of pressure curve and efficiency of the fan were analyzed.

对4台不同的叶片型线风机的气动性能进行了对比试验;对叶轮S1和S2流面进行了流场计算;分析了不同叶片型线叶轮对风机的最高压力点、最佳工况点、压力曲线形状及效率的影响,同时探讨了风机不同叶片型线的工程实用价值。

In this paper, a simple two-dimensional inverse method is presented which can be used to designthe forward-swept or the backward-swept blade shape on the stream surface of revolution of the im-peller in centrifugal fans.

本文方法通过控制叶轮内相对速度Ｗ沿平均流线ｍ的分布（Ｗ－ｍ分布），使气流相对速度在流动过程中按照设计要求的规律均匀变化，在叶轮回转面上设计出前向或后向叶片型线。

Profile Equations for Blade and Numerical Simulation of Flow Field in Screw Centrifugal Pump;

螺旋离心泵叶片型线方程及内部流场的数值模拟

New Curve Vane’s Design Based on Three Circular Arc for Rotary Vane Compressor

基于三圆弧的旋叶式压缩机新型线叶片设计

Integration Study on Airfoil Profile for Wind Turbines

风力机叶片翼型型线集成设计理论研究

Research on Turbine Blades Design and Section Curve Trimming Methods

汽轮机叶片设计及型线修整方法的研究

The Radiographic Image Contrast of Residual Ceramic Cores in Hollow Blades

空心叶片残留型芯影像的射线照相对比度

The Modeling Metho d for Axia-flow Compressor Blade with Elementary Stage by Modifying the Pre-edge or Post-edge Based on Bizer Curves

基于Bizer曲线前后缘修正的轴流压缩机基元级叶片造型方法

The author modifies spanwise shape and makes the analog function of the aerofoil curve by use of the computer.

利用计算机来辅助叶片叶展形状的修正和构造翼型曲线的模拟函数。

Optimization design of typical blade profile of long blade in ultra-supercritical steam turbine

超临界机组末级叶片典型截面的叶型设计

tropical epiphytic ferns with straplike fronds.

热带附生蕨类，叶片成线形。

Use the gear to translate the input to two" arc" blade to rotate clockwise and counter-clockwise, to transit fluid from down to up side.

利用齿轮使输入成为一顺一逆的方向转动，带动两圆弧线型式叶片把液体由下往上输送。

Analysis and Process Control of Black and White Lines in X-ray Films of Turbine Blades

涡轮叶片X射线黑白线显示缺陷的工艺控制

A Study on Geometric Methods for Designing Supersonic Aerofoil of Axial Flow Compressor

轴流压气机超音叶片叶型几何设计方法的研究

Aerodynamic Design of Diagonal Impeller and the Blade Design;

斜流通风机叶轮设计及叶片造型方法研究

Hyperspectral estimation model for chlorophyll concentrations in top leaves of rice

水稻上部叶片叶绿素含量的高光谱估算模型

The body of turbine blade automatic modeling system based on UG/OPEN

基于UG的汽轮机叶片叶身自动造型系统

Effects of leading-edge modification on secondary flow in turbine cascades

叶片前缘改型对涡轮叶栅二次流的影响

stationary vane type centrifugal separator

静止叶片型离心式分离器

ANALYSIS OF PROTEIN PATTERNS OBTAINED BY ELECTROPHORESIS IN CITRUS LEAF AND SEED

柑桔叶片与种子蛋白质电泳带型分析