1)  vortex flow meter
涡街流量仪表
1.
Use the high integrated PIC16F877 microcomputer which Microchip company presents to public newly,to develop an intelligent ultralow power vortex flow meter,and introduce the hardware and software design thought of this rotex flow meter.
利用Microchip公司新推出高度集成的PIC16F877单片机 ,开发了一种微功耗智能涡街流量仪表 ,介绍了该仪表的硬件和软件的设计思
2)  vortex street
涡街
1.
Oblique vortex street from a cylinder oscillating in water;
圆柱振荡流中的斜向涡街
2.
The generation, shedding and movement of the single pair vortex street formed in the wake are revealed and discussed.
实测表明 ,当KC=12 ,β=2 0 0时 ,圆柱振荡流中将存在一个有明显周期性且很规则的斜向涡街。
3.
The research evinced that, a steady vortex street is difficult to form in the vertical downward high air rate two phase flow and the way of thermistor sensor is not suitable.
通过热敏电阻式和压力晶体式两种实验方法对高质量含气率垂直下降气液两相流进行研究 ,分析了绕过梯形柱体所形成的绕流尾流流态 ,研究表明 ,在高质量含气率垂直下降气液两相流中 ,不易形成稳定的涡街 ,且热敏电阻式检测器不适用来测试高质量含气率垂直下降气液两相流中的涡街 。
3)  vortex
涡街
1.
Design and numerical simulation of novelvortex generator;
一种新型涡街发生体的设计与数值仿真
2.
Application of Chip Microprocessor in Vortex-shedding Meter Measurement System;
单片机在涡街流量计测量系统的开发应用
3.
Research on the Chaos Performance of Noise in Vortex Flow Signal;
涡街流量信号背景噪声的混沌特性研究
4)  Karman Street
卡曼涡街
5)  Karman vortex street
卡门涡街
1.
The emission frequency of the Karman vortex street occurred in series from the blades and tongue is varing with the running condition.
将流程泵叶轮叶片和压水室的隔舌看作旋涡发生体,在不同运行工况下在叶片后缘以及隔舌两侧串联发生的卡门涡街的发射频率是不同的。
2.
The stability of the Karman vortex street verified by using point-vortex model when perturbed infinitesimally is however a “slow instability”as shown by the simulation when the street is to be perturbed by finite disturbances.
经典的卡门涡街点涡模型只在一孤立情况下是线性稳定的。
3.
When the cylinder impulsively starts from rest, the early stage flow, flow seperation process and vortex generation, the unsteady evolution of vortex street and the wake flow with bine progress are numerically sedated in detail in this paper, including the generation of symmetric vortex, the α-phenomenon as a result of secondary vortex and Karman vortex street.
本文应用有限差分方法求解涡量-流函数形式的N-S方程,数值模拟了圆柱瞬时起动后流动分离,旋涡生成、脱落以及随时间推进涡街产生和长期非定常演化过程,包括对称涡的生成,二次涡形成的α结构及卡门涡街等。
6)  ultrasonic vortex
超声涡街
1.
This paper introduced an experiment to measure flowing gas in low speed by ultrasonic vortex technology and analyzed the results.
介绍应用超声涡街流量测量技术测量低速气体的一个实验,并对结果进行了分析。
2.
An experiment made to measure flowing gas at low speed by ultrasonic vortex technology is introduced in this paper,and the results are analyzed.
文中介绍了应用超声涡街流量测量技术测量低速气体的一个实验,并对结果进行了分析。
参考词条
补充资料:涡街流量计的选用
在特定的流动条件下,一部分流体动能转化为流体振动,其振动频率与流速(流量)有确定的比例关系,依据这种原理工作的流量计称为流体振动流量计。目前流体振动流量计有三类:涡街流量计、旋进(旋涡进动)流量计和射流流量计。流体振动流量计具有以下一些特点:
  1)输出为脉冲频率,其频率与被测流体的实际体积流量成正比,它不受流体组分、密度、压力、温度的影响;
  2)测量范围宽,一般范围度可达10:1以上;
  3)精确度为中上水平;
  4)无可动部件,可靠性高;
  5)结构简单牢固,安装方便,维护费较低;
  6)应用范围广泛,可适用液体、气体和蒸气。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。