orifice meter
英 [ˈɒrɪfɪs ˈmiːtə(r)]
美 [ˈɔːrɪfɪs ˈmiːtər]
孔板流量计；孔流速计；量水孔
双语例句
- Bellows-type gas or orifice meter
伸缩式气体孔板流量计 - Evaluation of Energy Loss ( Permanent Pressure Loss) in Standardized Orifice Plate and Vortex Flow Meter
标准孔板与涡街的能耗（永久压力损失）估算 - The on the spot inspection of natural gas orifice meter is adopting the transitivity calibration method taking Venturi nozzle as calibration scale.
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 small variation of the flow rate also accompanies the variation of the pressure field; therefore a special attention should be paid to the precise measurements of unsteady flow using the orifice meter.
该文指出流量的微小变化也伴随着压力场的变化，所以用孔口流量计进行精密测量时要特别注意。 - Mathematical model for discharge coefficient of orifice-plate flow-meter is presented and tested on the basis of literature data.
利用文献数据[1]，建立了孔板流量计孔流系数的数学模型，并对该模型进行了验证。 - Error source and control measures of pressure differential orifice meter
差压式孔板流量计的误差来源与控制对策 - Thirdly, incorporating flow measurement with the result of the error analysis, the paper summarize out orifice meter 'merits and drawbacks and long term potential of application.
3，结合流量测量的误差分析结果总结出孔板流量计的优缺点及发展前景。 - On the spot inspection method of natural gas orifice meter
天然气孔板流量计现场检定方法 - This paper introduces the design principles and application of throttle orifice and pressure differential meter for boiler pipe work. So we can know the products property deeply and improve quality of the design job.
主要讲述了锅炉管路中节流孔板和流量孔板的设计原理及应用，以期在工作设计上更全面深入掌握产品原理，提高设计质量。 - Basing on the relationship between the air velocities in tobacco conveying tube and dust collecting tube, a method for measuring air velocity in conveying tube indirectly by means of an orifice flow meter fitted in dust collecting tube was presented.
基于烟丝气力输送系统送丝管与回尘管风速的关系，提出了一种在回尘管上安装孔板流量计以间接测量送丝管风速的方法。 - Calculation of Incompressible Fluids through Orifice Meter in Half Theory Expression of Permanent Head Losses
计算不可压缩流体流径孔板流量计永久压强降的半理论公式 - Mathematical Model for Discharge coefficient and Process Simulation for the experiment of orifice-plate flow-meter There are three types of discharge.
流量系数数学模型的建立及计算机过程模拟根据放电过程中电压和电流的变化特征，放电过程可为三种类型。 - The paper introduces calculating method of energy consumpation caused by flowmeters, such as orifice flow meter, vortex flow meter, and illustrates magnitude of energy consumpation with examples.
介绍了孔板、涡街流量计测量不同流体时引起的能耗量的计算方法，举例说明了能耗量的大小。 - The Effect of Pulsating Flow in Natural Gas on Measurement Precision of Orifice Meter
天然气脉动流对孔板流量计测量精度的影响 - However, the orifice flow meter has some inherent deficiencies, for example instability of the outflow coefficient; poor liner, low repeatability, big pressure drop.
然而，孔板流量计存在着一些固有的缺陷，如流出系数不稳定、线形差、重复性不高、准确度受客观因素制约而无法达到设计要求、量程比小、压损大等。 - The study on the characteristics of standard orifice flow meter in an air-lift pump was carried out by measuring the flow rate of water, a solution simulating high-level-liquid-waste and 30% trialkylphosphine oxide ( TRPO)-kerosene solution.
探讨了气提泵输送水，模拟料液，30%三烷基氧膦-煤油溶液时标准孔板流量计两端压降特征。