文丘里喷嘴

气体流量传递标准&临界流文丘里喷嘴

Transmision standard of gas flow capacity & critical flow Venturi nozzle

临界流文丘里喷嘴流量计的原理与应用

The principle and application of critical flow Venturi nozzle flowmeter s

圆弧型集流器改用为ISO文丘里喷嘴的分析与试验研究

Analyzing and Research of the Replacing Venturi Nozzle with the Inlet Quadrant Nozzle

临界流文丘里喷嘴在天然气流量上的应用研究和探讨

Application Research on Critical Flow Venturi Nozzles in Natural Gases Flow Measurement

流量测量临界流文丘里喷嘴的进展

Progress of critical flow Venturi nozzle in flow measurement

喇叭口喉部文丘里喷嘴

Toroidal throat Venturi nozzle

现在国内的流量计生产厂家大多使用负压法音速文丘里喷嘴检定装置进行常压下检定。

The vacuum sonic Venturi nozzle test facility is used for flowmeter calibrate under normal pressure by domestic flowmeter manufactories .

文本对临界流文丘里喷嘴作为气体流量传递标准的优越性，其流量方程、主要特性参数及在应用中的某些问题进行了介绍和讨论。

The superiority flow , capacity equation . main characteristic parameters and some problems of critical flow Venturi nozzle as transmission standard of gas flow . capacity in application are introduced and discussed in this paper .

简介颁布国际标准ISO9300《临界流文丘里喷嘴测量气体流量》（1990年），十余年来国际上对该流量计的研究情况，主要在以下几方面有显著的进展：雷诺数使用范围的拓宽；

International standard ISO 9300 Gas flow measured by critical flow Venturi nozzle was issued in 1990 . The article introduces the foreign research progress in this field in over ten years past briefly . The main achievements include the following aspects : widening of useful range for Reynolds number ;

将文丘里管喷嘴连接到真空压力表。

Connect the venturi nozzle to the vacuum pressure gauge .

天然气孔板流量计的现场检定，采用以文丘里音速喷嘴作为标准表的传递型校准法。

The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale .

对原配有文丘里水喷嘴和麻石水膜除尘器的工业锅炉进行脱硫环保改造时，炉膛喷钙尾部增湿活化脱硫技术具有明显的技术经济优势。

The technology of sorbent injection into furnace and calcium oxide activation is advantageous for the desulfurization retrofit on boilers with venturi wet dust collector .

文丘里管和喷嘴是催化燃烧热水器的关键组分，实验中对二者进行了优化。

We optimized the other two important components of the catalytic water heater , the venturi pipe and nozzle .