ISO 15086-3:2022 PDF

Name: ISO 15086-3:2022 — Hydraulic fluid power — Determination of the fluid-borne noise characteristics of components and systems — Part 3: Measurement of hydraulic impedance
SKU: ISO 15086-3:2022
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Hydraulic fluid power — Determination of the fluid-borne noise characteristics of components and systems — Part 3: Measurement of hydraulic impedance

Название (английский):

ISO 15086-3:2022

Hydraulic fluid power — Determination of the fluid-borne noise characteristics of components and systems — Part 3: Measurement of hydraulic impedance

Статус документа:: Действующий
Формат:: Электронный (PDF)
Количество страниц:: 25
Дата публикации:: 20 июля 2022 г.
Издание:: ISO IS 15086 edition 2 version 1
ICS:: 17.140.20

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Описание (английский):

This document describes the procedure for determining the impedance characteristics of hydraulic components by means of measurements from pressure transducers mounted in a pipe. This document is applicable to passive components, irrespective of size, operating under steady-state conditions, over a frequency range from 10 Hz to 3 kHz.

Abstract

Похожие стандарты

Стандарты, упомянутые в описании

ISO 15086-3:2022 - Overview

ISO 15086-3:2022 (Hydraulic fluid power - Determination of the fluid-borne noise characteristics of components and systems - Part 3: Measurement of hydraulic impedance) specifies a standardized procedure to determine the hydraulic impedance characteristics of passive hydraulic components using pressure transducers mounted in a pipe. The method applies to passive components of any size operating under steady-state conditions across a frequency range from 10 Hz to 3 kHz. The standard supports consistent, repeatable measurement of how components transmit or reflect fluid-borne noise (pressure and flow ripple).

Key topics and technical requirements

Measurement principle: Determination of impedance from pressure measurements taken at specified locations in a pipe; analyses use transfer functions and Fourier-domain representations of pressure and flow ripple.

Single-port and two-port methods: Clause 6 covers measurement of local impedance (single-port passive components); Clause 7 covers determination of the admittance matrix and impedance matrix for two-port components.

Instrumentation and accuracy:

Use of calibrated pressure transducers (PT1…PT6) and defined arrangements in test circuits.
Requirements for steady-state and dynamic accuracy classes for measurement devices.

Test conditions: Permissible operating variations are specified (e.g., mean flow ±2%, mean pressure ±2%, temperature ±2 °C) to ensure repeatable results.

Factors influencing accuracy: Pulse generator behavior, pressure transfer function calibration, numerical terms in pipe admittance matrices and indirect flow determination are addressed.

Test reporting: Clause 8 defines required test-report content, general information and measured data presentation for traceability and comparison.

Practical applications and users

Who uses it: hydraulic test laboratories, component manufacturers (pumps, valves, accumulators), acoustic and mechanical engineers, R&D teams, quality assurance and product compliance groups, and system integrators designing low-noise hydraulic systems.

Why it matters:

Quantifies how components affect fluid-borne noise, helping predict downstream structure-borne and airborne noise.
Enables component selection and system design to reduce vibration and acoustic emissions.
Provides a repeatable method for validation, product development, troubleshooting and compliance testing.

Related standards

ISO 15086-1 (Introduction to fluid-borne noise measurement methods)

ISO 15086-2 (Measurement of the speed of sound in a fluid in a pipe)

ISO 5598 (Fluid power vocabulary)

ISO 80000-1 (Quantities and units)

ISO 1219-1 (Graphical symbols for fluid power)

Keywords: ISO 15086-3:2022, hydraulic impedance, fluid-borne noise, measurement of hydraulic impedance, admittance matrix, pressure transducers, hydraulic fluid power.

ISO 15086-3:2022 PDF

Abstract

Похожие стандарты

ISO 15086-3:2022 - Overview

Key topics and technical requirements

Practical applications and users

Related standards

Технические детали

BS ISO 15086-1:2001

Hydraulic fluid power. Determination of fluid-borne noise characteristics of components and systems. Hydrauli…

SIST ISO 15086-2:2001

Hydraulic fluid power -- Determination of the fluid-borne noise characteristics of components and systems --…

ISO 5598:1985

Fluid power systems and components — Vocabulary

SIST EN ISO 80000-11:2020/A1:2026

Quantities and units - Part 11: Characteristic numbers - Amendment 1 (ISO 80000-11:2019/Amd 1:2025)

ISO 1219-1:2012/Amd 1:2016

Fluid power systems and components — Graphical symbols and circuit diagrams — Part 1: Graphical symbols for c…