whirl ball

Heat convection characteristic in LNG storage tank when LNG stratification and rollover

LNG储罐分层涡旋事故的热对流特性

Liquefied Natural Gas(LNG) is a kind of high quality and clean energy,but many accidents have taken places since it was widely used,and stratification is the necessary condition for rollover.

液化天然气(LNG)作为一种优质洁净的能源兴起以来,发生过多起储运失稳事故,其中分层是导致涡旋的必要条件。

As the model takes no account of the consequences of boil off rate on density difference and can not interpret the acceleration of the interface's descending before rollover, the paper developed an advanced model which has 4 phases instead of 3 of the old one, and this phase dividing is more reasonable.

介绍了液化天然气涡旋问题和Ｂａｔｅｓ－Ｍｏｒｉｓｏｎ模型，并针对Ｂａｔｅｓ－Ｍｏｒｉｓｏｎ模型没有考虑蒸发率对密度差的影响、不能解释涡旋发生前分界面加速下降这一事实等缺陷，提出了改进四阶段涡旋模型。

The Design Conception and Realization of Pulsatile Ventricular Assist Devices--From Spiral-Vortex Pump to Luo-Ye Pump;

搏动辅助血泵的设计构思与实践——从旋涡泵到罗叶泵

Research on vortexes of cross flow past a horizontal circular cylinder by PIV system;

应用PIV系统研究横流中近壁水平圆柱绕流旋涡特性

When the gas enters the stack by tangent and forms vortex,the negative pressure is formed in center of the flow field.

对新型烟囱技术特征和流场结构的分析认为:由于切向进气,烟气形成旋涡,流动阻力低于普通烟囱,压力损失减少,所以更节能;流场中心形成负压,水、雾等比尘粒小,但比空气大(重)的轻质组分集中在中轴地带随烟气排出,不会腐蚀内壁;因为旋涡流动的存在,提升了烟气排放高度,有更好的环保效果。

Dynamics of eddy-induced Kuroshio variability in Luzon Strait;

中尺度涡旋影响吕宋海峡黑潮变异的动力机制

The simulated results are as follow:the mixture of gas-liquid two-phase can become more sufficient as adding the jet velocity of gas and the immerged depth of jet pipe,and the eddy forms more easily,the time of obtaining steady flow field is shortened.

模拟结果表明:增大气体喷射速度和喷射管的插入深度都可以使气液两相混合更加充分,流场内较易形成涡旋结构,达到稳定流场的时间也比较短。

An Arctic Ocean eddy in subsurface layer is analyzed in this paper with temperature, salinity and current profile data obtained at an ice camp in the Canada Basin during the second Chinese Arctic Expedition in summer of 2003.

利用2003年7—9月中国第二次北极科学考察期间,在北冰洋加拿大海盆的一个冰站上得到的温度、盐度和流速的连续剖面观测资料,对一个次表层的北冰洋涡旋进行了分析。

Main advances of research on vortices in pump sumps;

水泵进水池旋涡研究的主要进展

Based on flow field analysis,it shows that owing to the wakes behind the upstream suction pipe,the downstream flow becomes more turbulent and appears with obvious free-surface vortices and submerged vortices in complicated movement.

本文在玻璃水槽内对不同管间距条件下的吸水管周围进行了大量的PIV流场量测实验,通过流场分析显示,上游吸水管的尾流作用加剧了下游吸水口的水流紊动强度,流场多处出现表面旋涡和水内旋涡,其运动形态复杂多变。

The vortices flow in the blade passages and the influence of the eccentric inlet of the multi-blade centrifugal fan for air-conditioner have been analyzed numerically by using commercial CFD code.

在“前盘”附近,蜗舌下方的叶道中气流几乎停滞,蜗舌下游叶道为回流和尾缘旋涡所充满,至临近蜗壳出口侧,前缘旋涡逐步形成、发展并融合尾缘旋涡,最后衰减、消失。

Vortex Coagulation-low Pulsating Sedimentation Process in Low Temperature and Low Turbidity Water;

涡旋混凝低脉动沉淀技术处理低温低浊水

Experimental study on the vortex structure in a rotating paraboloid-shape shallow water with a free surface;

具有自由面的旋转抛物面浅水中涡旋结构的实验研究

Study on Dynamic Characteristics of the Twin-Scroll Compressors;

双头涡旋齿涡旋压缩机动力特性研究

Vortex Charges and Vortex State Phase Transitions in Superconductors;

超导涡旋电荷及磁通涡旋态相变研究

Analysis of Failure Modes for scroll wrap in scroll vacuum pump

涡旋真空泵涡旋齿失效形式分析(英文)

The snowflakes were swirling about (the streets).

雪花在 (街道上) 涡旋。

Antarctic stratospheric circumpolar vortex

南极平流层环极涡旋

RTE (Regenerative Turboprop Engine)

再生式涡旋浆发动机

A fog swirled up from the valley.

雾从山谷中涡旋而升。

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

Numerical Study on the Interaction between Mesoscale Vortex Typhoon Vortex;

中尺度涡旋和台风涡旋相互作用的数值研究

Modeling of Scroll Compressor Chamber and Investigation on Strength of Scroll Wrap;

涡旋压缩腔几何模型与涡旋齿强度研究

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

Influence of wrap number on performance of multi-wrap scroll compressor

涡旋齿数对多齿涡旋压缩机性能的影响

A vortex, as of a whirlwind or whirlpool.

涡流，如旋风或旋涡的

A whirlpool of extraordinary size or violence.

大旋涡一个规模和烈度都很大的旋涡

siphon vortex flushing action

旋涡虹吸式冲洗功能

He was caught in the whirlpool of war.

他被卷入了战争的旋涡。

Caught in the maelstrom of war.

陷入战争的大旋涡之中