ISO 5164:2014
石油产品.发动机燃料爆震特性的测定.研究法

Petroleum products - Determination of knock characteristics of motor fuels - Research method

标准号

ISO 5164:2014

发布

2014年

发布单位

国际标准化组织

当前最新

ISO 5164:2014

 

 

引用标准

ASTM D2699-12 ASTM D2700-13 ISO 3170:2004 ISO 3171:1988 ISO 3696:1987 ISO 4787:2010

适用范围

This International Standard establishes the rating of liquid spark-ignition engine fuel in terms of an arbitrary scale of octane numbers using a standard single-cylinder, four-stroke cycle, variable compression ratio, carburetted, CFR engine operated at constant speed. Research octane number (RON) provides a measure of the knock characteristics of motor fuels in automotive engines under mild conditions of operation. This International Standard is applicable for the entire scale range from 0 RON to 120 RON, but the working range is 40 RON to 120 RON. Typical motor fuel testing is in the range of 88 RON to 101 RON. This International Standard is applicable for oxygenate-containing fuels containing up to 4,0 % (m/m) oxygen and for gasoline containing up to 25 %(V/V) ethanol. NOTE 1 Although 25 % (V/V) of ethanol corresponds to approximately 9 % (m/m) oxygen, full applicability of this test method for that oxygen range has only been checked for gasoline type of fuels. NOTE 2 Work is under way to check the possibility to use the method up to and including 85 %(V/V) ethanol. NOTE 3 This International Standard specifies operating conditions in SI units but engine measurements may be specified in inch-pound units because these were the units used in the manufacture of the equipment, and thus some references in this International Standard include these units in parenthesis. NOTE 4 For the purposes of this standard, the terms “% (m/m)” and “% (V/V)” are used to represent the mass fraction, µ, and the volume fraction, φ, of a material respectively.

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