ISO 15769:2010 PDF

Name: ISO 15769:2010 — Hydrometry — Guidelines for the application of acoustic velocity meters using the Doppler and echo correlation methods
SKU: ISO 15769:2010
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Hydrometry — Guidelines for the application of acoustic velocity meters using the Doppler and echo correlation methods

Название (английский):

ISO 15769:2010

Hydrometry — Guidelines for the application of acoustic velocity meters using the Doppler and echo correlation methods

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 66
Дата публикации:: 6 апреля 2010 г.
Издание:: ISO IS 15769 edition 1 version 1
ICS:: 17.120.20

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Описание (английский):

ISO 15769:2010 provides guidelines on the principles of operation and the selection and use of Doppler-based and echo correlation velocity meters for continuous-flow gauging. ISO 15769:2010 is applicable to channel flow determination in open channels and partially filled pipes using one or more meters located at fixed points in the cross-section.

Abstract

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Overview

ISO 15769:2010 - "Hydrometry - Guidelines for the application of acoustic velocity meters using the Doppler and echo correlation methods" provides comprehensive guidance on the principles, selection and use of acoustic velocity meters for continuous flow gauging. The standard is applicable to channel flow determination in open channels and partially filled pipes using one or more fixed-point meters (bed-mounted, side-looking or downward-looking). It clarifies the operational basis (Doppler shift and echo correlation), practical limitations (it measures the velocity of particles/reflectors, not water molecules directly), and the elements needed to compute discharge (velocity + cross-sectional area + water level).

Key topics and technical requirements

ISO 15769:2010 addresses technical topics and requirements, including:

Principles of operation: Doppler ultrasonic methods (continuous, range-gated/profiling, broad-band) and echo (cross) correlation techniques, and how acoustic beam geometry, beam angle and signal processing affect measurements.

Instrument categories and mounting: bed-mounted (upward-looking), side-looking/horizontal ADVM/ADCP, and downward-looking devices; bin/depth-cell concepts and blanking distance considerations.

Factors affecting performance: instrument characteristics, channel and water properties, effects of vegetation/weeds, and side-lobe considerations.

Site selection and installation: recommended site requirements for different instrument types, mounting geometry and avoidance of flow interference.

Measurements and data needed: velocity measurement, water level (stage), and determination of cross-sectional area for velocity–area discharge calculation.

Calibration, verification and uncertainty: procedures for performance checking, velocity-index rating methods, and methodology for estimating uncertainty in discharge determination.

Operation & maintenance: installation best practices and general maintenance considerations.

Supporting guidance: informative annexes on equipment selection, practical considerations, measurement uncertainty basics, performance guides and sample questionnaires.

Practical applications and users

ISO 15769 is intended for professionals involved in hydrometry and flow monitoring:

Hydrologists and water-resource engineers performing continuous discharge monitoring in rivers, canals, wastewater and stormwater systems.

Instrumentation specialists and field technicians selecting and installing Doppler or echo-correlation flowmeters (ADVM, ADCP, H‑ADVM).

Environmental agencies, utilities and consultants implementing velocity–area gauging programs, regulatory monitoring or long-term hydrometric stations.

Use cases include real-time flow monitoring, flood forecasting, water allocation measurement and wastewater/stormwater inflow assessment.

ISO 15769:2010 PDF

Abstract

Похожие стандарты

Overview

Key topics and technical requirements

Practical applications and users

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