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Norm

ÖNORM EN ISO 5165

Issue date: 1999 04 01

Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method (ISO 5165:1998)

This International Standard establishes the rating of diesel fuel oil in terms of an arbitrary scale of cetane numbers using a standard single cylinder, four-stroke cycl...
Withdrawn: 2018 06 15
§ Legal References
Publisher:
Austrian Standards International
Format:
Digital | 20 Pages
Language:
German | English | Download GER/ENG
This International Standard establishes the rating of diesel fuel oil in terms of an arbitrary scale of cetane numbers using a standard single cylinder, four-stroke cycle, variable compression ratio, indirect injected diesel engine. The cetane number provides a measure of the ignition characteristics of diesel fuel oil in compression ignition engines. The cetane number is determined at constant speed in a pre-combustion chamber-type compression ignition test engine. However, the relationship of test engine performance to full scale, variable speed, variable load engines is not completely understood. This International Standard is applicable for the entire scale range from zero cetane number (CN) to 100 CN but typical testing is in the range of 30 CN to 65 CN. This test may be used for unconventional fuels such as synthetics, vegetable oils, etc. However, the relationship to the performance of such materials in full scale engines is not completely understood. Samples with fluid properties that interfere with the gravity flow of fuel to the fuel pump or delivery through the injector nozzle are not suitable for rating by this method. NOTE 1 This International Standard specifies operating conditions in SI units but engine measurements are specified in inch-pound units because these are the units used in the manufacture of the equipment, and thus some references in this International Standard include these units in parenthesis. NOTE 2 For the purposes of this International Standard, the expression (V/V) is used to represent the volume fraction of a material.
ÖNORM EN ISO 5165
2020 10 15
Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method (I...
Norm
ÖNORM EN ISO 5165
2018 06 15
Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method (I...
Norm
ÖNORM EN ISO 5165
1999 04 01
Petroleum products - Determination of the ignition quality of diesel fuels - Cetane engine method (I...
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Verordnung
Verordnung des Bundesministers für Land- und Forstwirtschaft, Umwelt und Wasserwirtschaft über die Qualität von Kraftstoffen und die nachhaltige Verwendung von Biokraftstoffen (Kraftstoffver