Road vehicles. Road load Reproduction on chassis dynamometer

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

30-11-2006

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms and definitions
4 Required overall measurement accuracy
5 Preparation for chassis-dynamometer test
  5.1 Setting parameter
  5.2 Laboratory condition
      5.2.1 Roller
      5.2.2 Room temperature
  5.3 Preparation of chassis dynamometer
      5.3.1 Inertia-mass setting
      5.3.2 Preconditioning of chassis dynamometer
  5.4 Vehicle preparation
      5.4.1 Tyre-pressure adjustment
      5.4.2 Vehicle setting
      5.4.3 Vehicle preconditioning
6 Load setting on the chassis dynamometer
  6.1 Chassis-dynamometer setting by coastdown method
      6.1.1 Load setting of chassis dynamometer
  6.2 Chassis-dynamometer setting using torquemeter
      method
      6.2.1 Load setting of chassis dynamometer
Annex A (normative) Calculation of road load for the
                    dynamometer test
Annex B (normative) Adjustment of chassis-dynamometer
                    setting load

Defines methods of setting the target road load on chassis dynamometers for the purpose of a subsequent test, for example the fuel consumption test or the exhaust-emission measurement test.

Committee	MCE/22
DevelopmentNote	Supersedes 03/314977 DC (11/2006)
DocumentType	Standard
Pages	22
PublisherName	British Standards Institution
Status	Current
Supersedes	03/314977 DC : DRAFT SEP 2003

This part of ISO 10521 specifies methods of setting the target road load on chassis dynamometers for the purpose of a subsequent test, for example the fuel consumption test or the exhaust-emission measurement test.

The road-load setting method on chassis dynamometers depends on the road-load measurement method, such as the coastdown method, the torquemeter method or the wind-tunnel and chassis-dynamometer method. This part of ISO 10521 gives detailed instructions on the methods of the chassis-dynamometer setting procedure for road-load value, obtained by the various measurement methods specified in ISO 10521-1.

This part of ISO 10521 is applicable to chassis dynamometers that can set road load at a minimum of three speed points, and to motor vehicles as defined in ISO 3833 up to a gross vehicle mass of 3 500 kg.

Standards	Relationship
ISO 10521-2:2006	Identical

ISO 3833:1977	Road vehicles — Types — Terms and definitions
ISO 10521-1:2006	Road vehicles Road load Part 1: Determination under reference atmospheric conditions

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BS ISO 10521-2:2006

Road vehicles. Road load Reproduction on chassis dynamometer

Table of Contents

Abstract

General Product Information

Scope

International Equivalents

Standards Referencing This Book

Category

Subcategory