气穴

气穴现象对DME（二甲醚）喷油特性影响的仿真研究

Simulation of Cavitation Effects on DME Injection Characteristics

结果表明，节流槽结构特征对阀内压力分布、气穴与噪声特性有直接的影响，U形槽内部压力超调量明显高于V形槽，可以显著抑制气穴的析出与生长。

The results show that the structural characteristics of throttling grooves have direct influences on pressure distribution , cavitation and noise inside the valve . Pressure overshoot inside U-notch is much higher than V-notch , and can restraint the inception and development of cavitation .

在起飞时，蝴蝶翅膀的前缘并合，形成一个气穴。

When taking off , the leading edges of the butterfly 's wings come together to form an air pocket .

液态LPG喷射发动机喷嘴内部气穴现象的数值解析

Simulation of Cavitation Phenomenon in Injector of Liquid Phase LPG Engine

纯水液压锥阀阀口流场气穴的CFD研究

The Research of the Flow Field Cavitation inside Water Hydraulic Poppet Valve by CFD

其次，利用仿真软件Moldflow对该注塑件进行充填、流动、冷却、气穴、熔接痕、翘曲等数值模拟。

Second , numerical simulation of filling , flow , air pocket , fusion trace , and warp were performed with simulation software Mold flow .

科学家把这种现象称为“气穴现象”（Cavitation）。因为经历太多“气穴现象”对许多珍贵植物有害，所以知道这种现象发生前的时间非常重要。

Scientists call the phenomena " cavitations " and , since too many cavitations can kill trees - sometimes endangering valuable plantations - it 's crucial to know when they start .

不同类型节流槽通过压力分布决定了气泡的成长过程，与U形槽相比，V形槽内部气泡尺寸较大，气泡尺度大小是影响节流槽气穴噪声的主要因素。

The growth of cavitation is determined by the pressure distribution inside different throttling grooves . Bubble size inside V-notch is bigger than that of U-notch , and the bubble dimension is the major factor affecting cavitation noise in the throttling grooves .

本文使用计算流体力学软件CFx研究核电安全阀内的过热蒸汽临界流和过冷水气穴流，所得到的结论对核电安全阀结构设计和优化具有借鉴意义。

This paper researched the superheated steam critical flow and supercooled water cavitation flow in the nuclear safety relief valve by the CFD software , CFX . The results are useful for the structure design and optimization of safety relief valves .

建立了气穴瞬变流基本方程，并重点讨论了下述三种情况的基本方程的特征根问题：a.p－pi≠0且计入附加质量力；

The basic equations for the transient two phase cavitation flow are formulated and three conditions of the characteristic roots of the basic equations are discussed , namely , a. p-p I ≠ 0 and with the virtual mass force taken into account ;

以DISPEN、KONI减振器为例，分析了减振器的循环油路、阀结构选取及气穴现象、油汽分离对减振器性能的影响。

With taking the DISPEN , KONI dampers as the examples , the effects of circulating oil circuit , valve structure selection and air hole , oil vapor separation on the performance of the dampers are analyzed .

液压阀芯节流槽气穴噪声特性的研究

Investigation into the Cavitation Noise in Grooves of Spool Valve

球阀阀口气穴流场的模拟与可视化研究

Numerical Simulation and Visualization Study of Cavitating Flow in Hydraulic Ball Valve

气穴可以由各种原因引起。

Cavitation can be caused by a variety of reasons .

我们的飞行甚为颠簸，因为遇到气穴。

We had a bumpy flight because of air pocket .

油液中气穴含量对高压叶片泵瞬时流量影响的分析

Influence of Airlock in Oil about Discharge Flow in High-pressure Vane Pump

流动液体中气穴判定的新观点

The new Viewpoint on Cavitation Determination in a Flowing Liquid

多级增压控制管路节流气穴噪声的试验研究

The Experimental Study of Pipe Throttle Cavitation Noise Control by Multilevel Pressure Loading

防气穴二级节流器的正交试验研究

The Orthogonal Tests Study on Two-Stages Restrictor without Cavitation

存在气泡和气穴时无阀微泵动态特性研究

Study on Dynamic Characteristics of a Valve-Less Micropump Accompanying Gas Bubbles and Cavitation

液压阀节流槽内气穴气泡生长特性的研究

Study on Growth Characteristics of Cavitation Bubble in Throttling Grooves of Hydraulic Valve

气穴和气蚀的故障诊断和排除

Diagnosis and eliminating of gas etching and cavitation trouble

静压传动装置控制中的气穴问题

Cavitation-One of the Dynamic Problems of Hydrostatic Transmission Control

液压系统的气穴及其防止方法

Hydraulic system 's air cave and its prevention

含气泡和气穴的液压管路瞬态实验研究

Experiment Research on the Fluid Transient in Hydraulic Pipeline including Cavitation and Gas Bubbles

液压阀气穴现象的研究

The Research of Cavitation of Hydraulic Valve Port

液压泵气穴故障分析

Trouble analysis of bubble chamber of hydraulic pump

溢流阀阀口气穴与气穴噪声的研究

The Study on Cavitation Near the Orifice of Relief Valve and Cavitation Induced Noise

挤压油膜阻尼器结构参数对气穴现象影响的实验研究

Effects of structural parameters of SFD on cavitation

节流槽结构对气穴噪声的影响

Effect of throttling grooves structure on cavitation noise