压力损失检测

NF S31-127-2009 声学.管道消音器和空气终端装置的实验室测量程序.插入损失、流动噪声和总压力损失

Acoustics - Laboratory measurement procedures for ducted silencers and air-terminal units - Insertion loss, flow noise and total pressure loss.

GB/T 18688-2012 农业灌溉设备.灌溉阀的压力损失.试验方法

本标准规定了农业灌溉用阀（以下简称阀）在稳态流动状态下，水通过时产生的压力损失的试验方法。试验得出的阀性能参数范围和准确度可用于农业灌溉系统设计者比较各种类型阀的压力损失。 通过压力损失试验，可以得出阀的流量与压力损失的函数关系。 本标准还规定了试验数据的处理方法和试验报告的内容。 本标准未

Agricultural irrigation equipment.Pressure losses in irrigation valves.Test methed

DIN 14811-2-1977 灭火水龙带.第2部分:压力损失试验 已作废

Fire hoses; pressure loss testDie vorliegende Norm wurde gegenüber der Ausgabe November 1970 auf die durch das ?Gesetz über Einheiten im Me?-wesen vom

Fire hoses; pressure loss test

NF S31-127-1995 声学.管道消声器的测量程序.插入损耗、流动噪声和总压力损失

Acoustics. Measurement procedures for ducted silencers. Insertion loss, flow noise and total pressure loss.

NF V03-743-1998 谷类.油料籽和豆类.对透过堆积谷物的一维空气流中的单位压力损失的测定

Cereals, oilseeds and pulses. Measurement of unit pressure loss in one-dimensional air flow through bulk grain.

ASTM F1112-06A(2018)e1 铅气动轮胎静压试验的标准试验方法 用于通风压力损失率

Standard Test Method for Static Testing of Tubeless Pneumatic Tires for Rate of Loss of Inflation Pressure

GB/T 22481-2008 谷物、油料和豆类.单向气流穿过散粮的单位压力损失测定

本标准规定了单向气流通过粮堆的单位压力损失的测定方法，它可以用来计算通风机组的总压损。即相当于以下几处压力损失之和： a)在通风系统中（通风管道等）； b)在粮食中（本标准的主要内容）； c)从管道进入粮堆的通道处。 本标准适用于气流速度在以下范围的通风系统中压力损失的测定。如果气流速度不

Cereals,oilseeds and pulses.Measurement of unit pressure loss in one-dimensional air flow through bulk grain

CGA G-6.7-2007 压力损失的液态二氧化碳容器的安全操作.第3版

The scope of this publication is concerned primarily with the safe repressurization of stationary or transportable liquid carbon dioxide containers

SAFE HANDLING OF LIQUID CARBON DIOXIDE CONTAINERS THAT HAVE LOST PRESSURE THIRD EDITION

NF X10-930-1984 气动管道中流体机械能损失测定(不确切的叫法为"压力损失")

JJG(机械) 16-1990 公称口径15～40mm冷水水表压力损失试验装置检定规程

STAS 12795-1989 通风与空调设备．加热和冷却电池压力损失测定

Prezentul standard stabile?te metoda de determinare a pierderilor de sarcin? ale bateriilor de ?nc?lzire ?i de r?cire a aerului, folosite ?n instala

Ventilation and airconditioning plants. Pressure losses determination of heating and cooling batteries

ASHRAE OR-05-2-3-2005 两个紧密耦合HVAC弯头的压力损失系数测量

Pressure Loss Coefficient Measurements of Two Close-Coupled HVAC Elbows

Pressure Loss Coefficient Measurements of Two Close-Coupled HVAC Elbows

ISO 9644:1993 农业灌溉设备 灌溉阀压力损失 试验方法 已作废

Specifies a test method under steady-state conditions when water flows through the valves. Also describes the method of reporting pertinent test data.

Agricultural irrigation equipment; pressure losses in irrigation valves; test method

ISO 4174:1980 谷类和豆类.单向气流通过批量谷物而引起的单位压力损失的测定

Cereals and pulses; Measurement of unit pressure losses due to single-dimension air flow through a batch of grain

NBN-ISO 7235:1992 声学．消音输送道测量步骤．插入损耗，流动噪声和压力损失

Acoustics - Measurement procedures for ducted silencers - Insertion loss, flow noise and total pressure loss