vortex line state

The characteristics of vortex field can be described visually by vortex line.

涡量场特性可以用涡线非常形象地表达出来。

A boundary nodes-type mesh-free method for transient eddy current in engineering problems;

工程瞬态涡流问题的边界无单元方法求解

Solution of engineering transient eddy current by dual reciprocity hybrid boundary node method;

双互易杂交边界点法求解工程瞬态涡流问题

Solving transient eddy current problem with radial basis function method in time domain;

瞬态涡流问题求解的时域径向基函数方法

In this paper, on the base of rotor vortex-ring test data, the network back propagation method is used to research the effect of blade negative-twist on vortex-ring state, and the effect of change of negative-twist on rotor torque, thrust average value and fluctuating scope are analyzed.

采用神经网络误差反向传播算法,以旋翼涡环状态试验数据为基础,研究了桨叶负扭度对直升机涡环状态特性的影响,分析了负扭度变化对旋翼扭矩、拉力平均值及脉动幅度的影响。

The helicopter behavior in vertical or steeply oblique descent has been of great concern in rotorcraft engineering because there is an unsteady and unsafe region known as the "vortex-ring state" condition can apply to both main and tail rotors.

直升机作带功率下降时，若操纵不慎，容易陷入涡环状态，如果没有足够的高度，就会造成坠地事故。

Helicopter vortex-ring state influence flight safety badly,whose flow characteristic is very complex and hard to calculate accurately.

直升机涡环状态严重影响飞行安全,其气流特性非常复杂,难以准确计算。

Some theoretical and experimental developments of the research on Bose-Einstein condensates(BECs)since the successful realization of vortex states in BECs of dilute alkali atomic gases in 1999 are reviewed, and related basic concepts and theory are also introduced.

论述了自 1 999年涡旋态在稀薄碱金属原子气体的玻色 -爱因斯坦凝聚体 (BEC)中成功实现以来有关的BEC理论和实验研究的进展及作者近期的部分探索 ,并介绍了相关的基本概念和理论 。

MULTIPLE LINE-VORTEX MODEL OF VORTEX FLOWS AROUND BODY OF REVOLUTION AT HIGH ANGLES OF ATTACK UP TO 60 DEGREES

迎角直到60度旋转体涡流的多重线涡模型

Theoretical Investigation of Wrap Meshing Profile for Multi-wraps Scroll Compressor;

多涡旋齿涡旋压缩机啮合型线理论研究

The Research for New Scroll Profile and Dynamics of Scroll Compressor;

涡旋压缩机涡旋新型线及系统动力学研究

Complex Vortices Formed by Coaxial Superposition of Circular and Planar Vortices

环形与平面光学涡旋共线叠加的复合涡旋

compressor and turbine equilibrium running line

压缩机与涡轮平衡运行线

EB: We are rushing out on the tangent of the whirlpool. Full speed!

海尔兄：沿着旋涡的切线方向。全速冲出！

Research on Eddy Current Based on Cable Eccentricity On-Line Measurement;

基于电涡流的电缆偏心在线测量研究

The Nonlinear Evolvement and Stability Study of Vortex Rossby Waves;

涡旋Rossby波的非线性演化及稳定性研究

Study of the Eddy Current Online Measurment System for the Cable Eccentricity;

电涡流式电缆偏心在线测量系统研究

Nonlinear vortex-induced force identification on beat state of 1-D bluff body vertical vortex-induced vibration

一维钝体竖向拍振非线性涡激力识别

A Simulation and Analysis of Different Scroll Profiles′ Interior Flow Field

不同涡旋型线压缩腔流场的模拟分析

Dynamics of joggling principle for scroll profiles of scroll compressor

涡旋压缩机型线耦合机理动态性研究

Evolutionary characteristics of nonlinear vertex rossby waves with β Term

带β项的非线性涡旋Rossby波的演变过程

Near-field eddy currents in small planar inductance coils

微小平面电感线圈近场涡流效应模型

Preliminary Study and Sensitivity Experiments on the Impact of Different Initial Vortex Profile on Vortex Self-organization;

不同初始涡廓线对涡旋自组织影响的初步研究及敏感性试验

The pattern of flow streamlines is same to Archimedes lines.

涡流管内三维流线形态类似阿基米德曲线。

Analytical Research on Linear and Nonlinear Vorticity Equations with Initial Value;

线性和非线性涡旋方程初值问题解析研究

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