介绍涡街流量计的测量原理及应用。
The measuring principle and application of vortex flowmeter are introduced.
介绍一种新型的光纤涡街流量计原理。
The principle of an optical fiber vortex-shedding flowmeter is introduced.
文摘：介绍涡街流量计的测量原理及应用。
Abstract: The measuring principle and application of vortex flowmeter are introduced.
涡街流量计是最为常用的流量测量装置之一。
Vortex flowmeter is one of the most widely used flow measurement devices.
成功实现了一台脉冲输出型数字涡街流量计。
A pulse output model digital vortex flowmeter is developed successfully.
提出并设计制作了光纤光栅涡街流量传感测量系统。
大气流过涡街传感器时，在传感器中形成一系列的漩涡。
When flowing through the vortex street sensor, the atmosphere generates a series of vortexes.
研究雾状流条件下，离散液相对涡街流量计测量误差的影响。
The measuring error of vortex street flowmeter was investigated in condition of mist flow.
智能型涡街流量计是以微处理器为基础的新型流量检测仪表。
Intelligent vortex street flowmeter is a new type of checking instrument on the basis of microprocessor.
运用现代信号处理理论对涡街流量计信号处理方法进行研究。
Modern signal processing methods were used to deal with the vortex signal.
研究脉动流条件下涡街信号的模型，提出频率测量的新方法。
A model of vortex signal in the state of pulsing flow is studied, and a new frequency measuring technique is proposed.
涡街流量计中的处理电路不能保证仪表在工业现场的测量精度。
The processing circuits in the vortex flowmeter are unable to ensure the measuring accuracy in the industrial fields.
本文利用保角变换，用离散涡方法求解了卡门涡街与翼型的相互作用。
Based on the discrete vortex method, a conformal mapping technique is used to solve Karman vortex street-airfoil interaction.
介绍一种集温度、压力、流量就地显示于一体的智能涡街流量计的研制。
This paper presents the development of an intelligent vortex flow meter which combines the show of temperature pressure and flow in field.
论述了双旋涡发生体涡街流量计用于蒸汽流量测量遇到的难题及采用的对策。
To make an approach to the difficult problems occurring in measuring the steam by use of the vortex street flowmeter with double vortex generators and the countermeasures taken.
具体介绍涡街流量计的选择，涡街流量计的参数设定，安装及使用注意事项。
The selection of vortex flowmeters, the Settings of the parameters and the cautions in installation and operation of vortex flowmeters are presented concretely.
基于旋涡流体振荡原理的流量计主要有两种：涡街流量计和旋进旋涡流量计。
There are two kinds of vortex type oscillatory flowmeter: vortex flowmeter and vortex precession flowmeter.
具体介绍涡街流量计的选择，涡街流量计的参数设定，安装及使用注意事项。
The selection of vortex flowmeters, the settings of the pararmeters and the cautions in installation and operation of vortex flowmeters are presented concretely.
研究表明波状界面和涡街是由界面处的剪力流速度分布和周期性扰动所造成的。
The results show that the wavy interface and vortex street are caused by the velocity distribution of shear flow and periodic disturbance at the interface.
在传统涡街流量计的基础上，设计出带有HART通讯协议的多变量涡街流量计。
On the basis of traditional vortex flowmeter, a multi-variable vortex flowmeter based on HART communication protocol is designed.
本文中设计的智能涡街流量计采用硬件和软件相结合的方案来扩大仪表量程下限。
The intelligent Vortex Flowmeter introduced in this paper expands the low limitation through hardware combining with software.
本文论述了防爆型涡街流量计检测电路的设计原则，并对具体电路作了较详尽的剖析。
This paper discussed the design principle of detection circuits for explosion-proof vortex flowmeter and analyzed some specific circuits in detail.
在介绍流量计量基础上，重点介绍由日本横河涡街流量计进行煤气计量的选型及应用。
This paper, based on flow measuring, presented the selection, design and application of gas measuring by the Yokogawa vortex flowmeter made in Japan.
计量分离器中常用涡轮流量计、涡街流量计或齿轮流量计等在线式仪表计量原油产量。
On line instruments, such as turbine meter, vortex meter and positive displacement meter are usually used for crude oil metering in oil fields.
与在相同流动条件下光滑平板后的湍流尾流比较，涡街尾流较宽，平板底部压力较小。
The width of the wake is larger and the base pressure of the plate is lower in comparison with the fully turbulent wake behind a smooth flat plate at the same flow conditions.
本文首先介绍了涡街流量计的工作原理，之后详细说明了前端信号调理模块的硬件结构。
The paper introduces firstly the working principle of vortex street flowmeter, secondly the signal conditioning circuit.
分析了涡街流量信号的特点，设计了增益自适应差动电荷放大器并介绍了它的工作原理。
Analyzes the characteristics of vortex signal, designs a differential charge amplifier with gain adaptive function, and analyzes its operational principle.
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。
An experiment made to measure flowing gas at low speed by ultrasonic vortex technology is introduced in this paper, and the results are analyzed.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
而交流电所产生的电磁力对于绕流涡街、升力、阻力的控制作用，则与所使用的频率有关。
The control effect of electromagnetic force on cylinder wake, lift force and drag force , which was caused by alternating current, is related to its frequency.
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