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BS ISO 9249:2007

Current
Current

The latest, up-to-date edition.

Earth-moving machinery. Engine test code. Net power
Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

08-31-2011

Publisher

British Standards Institution

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions, symbols and abbreviated terms
4 Standard reference conditions
5 Tests
6 Method of power correction
7 Test report
8 Statement of results as a function of engine speed
9 Measurement accuracy
Annex A (informative) - Determination of net power
        using ISO 14396
Bibliography

Describes a method for testing the net power of internal combustion engines intended for the propulsion of earth-moving machinery as defined in ISO 6165.

This International Standard specifies a method for testing the net power of internal combustion engines intended for the propulsion of earth-moving machinery as defined in ISO6165. It is intended to provide a standardized means of reporting net power values to the end user of the earth-moving machines. It is applicable to RIC spark- or compression-ignition engines but excluding free piston engines, rotary piston engines. These engines may be naturally aspirated or pressure-charged using either a mechanical pressure-charger or a turbocharger. NOTE This International Standard is a companion standard to ISO14396. The principle differences between the two is the fitting of certain cooling equipment and pressure-charging equipment auxiliaries (fans) for the test. It is possible to deduct the power requirements of equipment and auxiliaries from the engine ratings of ISO14396 by test or calculation methods. See AnnexA for the preferred calculation method for obtaining the net power ratings according to this International Standard. Both the test and the calculation method comply with this International Standard.

Committee
B/513/1
DevelopmentNote
Issue Date: 31/08/2011. Supersedes BS 6911-4(1998) and 06/30117277 DC. (08/2011)
DocumentType
Standard
Pages
18
PublisherName
British Standards Institution
Status
Current
Supersedes

Standards Relationship
ISO 9249:2007 Identical

ISO 2710-1:2000 Reciprocating internal combustion engines Vocabulary Part 1: Terms for engine design and operation
ISO 6165:2012 Earth-moving machinery — Basic types — Identification and terms and definitions
ISO 14396:2002 Reciprocating internal combustion engines Determination and method for the measurement of engine power Additional requirements for exhaust emission tests in accordance with ISO 8178
ISO 15550:2016 Internal combustion engines Determination and method for the measurement of engine power General requirements

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PDF - English
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