1) standard orifice
![点击朗读](/dictall/images/read.gif)
标准孔板
1.
A new approach to measure gas flow by standard orifice based on ANN is presented.
![点击朗读](/dictall/images/read.gif)
提出基于BP神经网络的标准孔板气体流量测量方法 ,测得的流量不需要补偿就可以保证全量程范围内有较高的准确度。
2.
The new developed system was based on the standard orifice flow technique ISO 5167-2003(E),GB/T18215-2000 and JJG 1003-2005《Flow Intergration Meters》.
本课题研制的系统参照ISO 5167-2003(E)《用插入圆截面管道中的压差装置测量流体流量》、GB/T 18215-2000《城镇人工煤气主管道流量测量第1部分:采用标准孔板节流装置的方法》、JJG 1003-2005《流量积算仪》等标准设计,使两者之间的煤气贸易结算更加准确、公正。
3.
Aiming at the flow field distribution problem in the orifice flowmeter,the flow behavior of fluid across the standard orifice was simulated using the computational fluid dynamics software.
针对孔板流量计流场分布问题,应用计算流体动力学软件,对流体流经标准孔板前后的流动状态进行仿真研究,得到了流体流经标准孔板前后的压力流线、速度流线以及压力的分布曲线。
3) standard orifice flow meter
![点击朗读](/dictall/images/read.gif)
标准孔板流量计
1.
The utilization of CFD numerical simulation in standard orifice flow meter provides a new method on the estimation and optimization of discharge coefficient.
通过在标准孔板流量计中引入CFD数值模拟,为流出系数的获取提供了新途径。
2.
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。
4) the orifice flow-meter
![点击朗读](/dictall/images/read.gif)
标准节流孔板流量计
1.
In this paper,the principle for the orifice flow-meter to measure the hydraulic turbine wicket gate leakage was introduced.
本文介绍了用标准节流孔板流量计进行水轮机导叶漏水量测量的基本原理,结合实例介绍了计算方法并进行了误差分析。
5) non-standard holes
![点击朗读](/dictall/images/read.gif)
非标准孔
6) standard of end hole
![点击朗读](/dictall/images/read.gif)
终孔标准
补充资料:德国国家标准(见德国标准化学会、德国标准体系)
德国国家标准(见德国标准化学会、德国标准体系)
National Standards of Germany: see Deutsches Institut für Normung, DIN;standards system of Germany
Oeguo Guol心日icozhun德国国家标准(Natio.吐S加Ln山切曲of Gen”旧ny)见德国标准化学会;德国标准体系。
说明:补充资料仅用于学习参考,请勿用于其它任何用途。
参考词条