Measurement of liquid flow in open channels. Measurement of discharge by the ultrasonic (acoustic) method.

Main informations

Collections

National standards and national normative documents

Publication date

November 1993

Number of pages

31 p.

Reference

NF ISO 6416

ICS Codes

17.120.20 Flow in open channels

Classification index

X10-334

Print number

1 - 01/10/1993

International kinship

ISO 6416:1992

Standard replaced by (1)

NF EN ISO 6416

December 2005

Standard Cancelled

Hydrometry - Measurement of discharge by the ultrasonic (acoustic) method

ISO 6416:2004 describes the establishment and operation of an ultrasonic (transit-time) gauging station for the continuous measurement of discharge in a river, an open channel or a closed conduit. It also describes the basic principles on which the method is based, the operation and performance of associated instrumentation and procedures for commissioning. It is limited to the transit time of ultrasonic pulses technique, and is not applicable to systems that make use of the Doppler shift or correlation orlevel-to-flow techniques. ISO 6416:2004 is not applicable to measurement in rivers with ice.

Table of contents

Section 1 Généralités
1
1.1 Domaine d'application
1
1.2 Références normatives
1
1.3 Définitions
1
1.4 Unités de mesure
1
Section 2 Méthode de mesurage
2
2.1 Principe
2
2.2 Caractéristiques de propagation du son dans l'eau
3
2.3 Application
4
2.4 Configuration du système de jaugeage
5
2.5 Choix de l'emplacement
8
2.6 Étude du site
10
2.7 Caractéristiques des mesurages opérationnels
11
2.8 Caractéristiques de calcul
12
2.9 Concept de redondance des mesurages
16
2.10 Étalonnage du système
16
2.11 Incertitudes de mesurage
17
Section 3 Station de jaugeage
22
3.1 Généralités
22
3.2 Conception et construction des matériels
22
3.3 Sortie du système
27
3.4 Installation
27
3.5 Mise en service
27
3.6 Manuel de fonctionnement
28
3.7 Entretien et maintenance
28
Annexe
A Détermination du sens de l'écoulement à partir des données découlant de trajectoires croisées
30

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