ASTM D2700-2011 Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel《火花点火发动机燃料的发动机辛烷值的试验方法》.pdf
《ASTM D2700-2011 Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel《火花点火发动机燃料的发动机辛烷值的试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM D2700-2011 Standard Test Method for Motor Octane Number of Spark-Ignition Engine Fuel《火花点火发动机燃料的发动机辛烷值的试验方法》.pdf(56页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: D2700 11Designation: 236/87Standard Test Method forMotor Octane Number of Spark-Ignition Engine Fuel1This standard is issued under the fixed designation D2700; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year o
2、f last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope*1.1 This laboratory test method covers
3、 the quantitativedetermination of the knock rating of liquid spark-ignitionengine fuel in terms of Motor octane number except that thistest method may not be applicable to fuel and fuel componentsthat are primarily oxygenates.2The sample fuel is tested in astandardized single cylinder, four-stroke c
4、ycle, variable com-pression ratio, carbureted, CFR engine run in accordance witha defined set of operating conditions. The octane number scaleis defined by the volumetric composition of primary referencefuel blends. The sample fuel knock intensity is compared tothat of one or more primary reference
5、fuel blends. The octanenumber of the primary reference fuel blend that matches theknock intensity of the sample fuel establishes the Motor octanenumber.1.2 The octane number scale covers the range from 0 to 120octane number, but this test method has a working range from40 to 120 octane number. Typic
6、al commercial fuels producedfor automotive spark-ignition engines rate in the 80 to 90Motor octane number range. Typical commercial fuels pro-duced for aviation spark-ignition engines rate in the 98 to 102Motor octane number range. Testing of gasoline blend stocksor other process stream materials ca
7、n produce ratings at variouslevels throughout the Motor octane number range.1.3 The values of operating conditions are stated in SI unitsand are considered standard. The values in parentheses are thehistorical inch-pounds units. The standardized CFR enginemeasurements continue to be in inch-pound un
8、its only becauseof the extensive and expensive tooling that has been created forthis equipment.1.4 This standard does not purport to address all of thesafety concerns, if any, associated with its use. It is theresponsibility of the user of this standard to establish appro-priate safety and health pr
9、actices and determine the applica-bility of regulatory limitations prior to use. For more specifichazard statements, see Section 8, 13.4.1, 14.5.1, 15.6.1, AnnexA1, A2.2.3.1, A2.2.3.3(6) and (9), A2.3.5, X3.3.7, X4.2.3.1,X4.3.4.1, X4.3.9.3, X4.3.12.4, and X4.5.1.8.2. Referenced Documents2.1 ASTM Sta
10、ndards:3D1193 Specification for Reagent WaterD2268 Test Method for Analysis of High-Purity n-Heptaneand Isooctane by Capillary Gas ChromatographyD2360 Test Method for Trace Impurities in MonocyclicAromatic Hydrocarbons by Gas ChromatographyD2699 Test Method for Research Octane Number of Spark-Igniti
11、on Engine FuelD2885 Test Method for Determination of Octane Numberof Spark-Ignition Engine Fuels by On-Line Direct Com-parison TechniqueD3703 Test Method for Hydroperoxide Number of AviationTurbine Fuels, Gasoline and Diesel FuelsD4057 Practice for Manual Sampling of Petroleum andPetroleum ProductsD
12、4175 Terminology Relating to Petroleum, PetroleumProducts, and LubricantsD4177 Practice for Automatic Sampling of Petroleum andPetroleum ProductsD4814 Specification for Automotive Spark-Ignition EngineFuelD5842 Practice for Sampling and Handling of Fuels forVolatility MeasurementD6304 Test Method fo
13、r Determination of Water in Petro-leum Products, Lubricating Oils, and Additives by Coulo-metric Karl Fischer TitrationE344 Terminology Relating to Thermometry and Hydrom-etry1This test method is under the jurisdiction of ASTM Committee D02 onPetroleum Products and Lubricants and is the direct respo
14、nsibility of SubcommitteeD02.01 on Combustion Characteristics.Current edition approved May 1, 2011. Published May 2011. Originallyapproved in 1968. Last previous edition approved in 2010 as D270010. DOI:10.1520/D2700-11.2Research octane number, determined using Test Method D2699, is a companionmetho
15、d to provide a similar but typically higher octane rating under milderoperating conditions.3For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume information, refer to the standards Document Su
16、mmary page onthe ASTM website.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.E456 Terminology Relating to Quality and StatisticsE542 Practice for Calibration of Labor
17、atory VolumetricApparatus2.2 ANSI Standard:4C-39.1 Requirements for Electrical Analog Indicating In-struments2.3 Energy Institute Standard:IP 224/02 Determination of Low Lead Content of LightPetroleum Distillates by Dithizone Extraction and Colo-rimetric Method53. Terminology3.1 Definitions:3.1.1 ac
18、cepted reference value, na value that serves as anagreed-upon reference for comparison, and which is derivedas: (1) a theoretical or established value, based on scientificprinciples, (2) an assigned or certified value, based on experi-mental work of some national or international organization, or(3)
19、 a consensus or certified value, based on collaborativeexperimental work under the auspices of a scientific orengineering group. E4563.1.1.1 DiscussionIn the context of this test method,accepted reference value is understood to apply to the Motoroctane number of specific reference materials determin
20、edempirically under reproducibility conditions by the NationalExchange Group or another recognized exchange testing orga-nization.3.1.2 Check Fuel, nfor quality control testing, a spark-ignition engine fuel of selected characteristics having an octanenumber accepted reference value (O.N.ARV) determi
21、ned byround-robin testing under reproducibility conditions.3.1.3 cylinder height, nfor the CFR engine, the relativevertical position of the engine cylinder with respect to thepiston at top dead center (tdc) or the top machined surface ofthe crankcase.3.1.4 detonation meter, analog, nfor knock testin
22、g, theanalog signal conditioning instrumentation that accepts theelectrical signal from the detonation pickup and provides anoutput signal for display.3.1.5 detonation meter, digital, nfor knock testing, thedigital signal conditioning instrumentation that accepts theelectrical signal from the detona
23、tion pickup and provides adigital output signal for display.3.1.6 detonation pickup, nfor knock testing,amagnetostrictive-type transducer that threads into the enginecylinder and is exposed to combustion chamber pressure toprovide an electrical signal that is proportional to the rate-of-change of cy
24、linder pressure.3.1.7 dial indicator reading, nfor the CFR engine,anumerical indication of cylinder height, in thousandths of aninch, indexed to a basic setting at a prescribed compressionpressure when the engine is motored.3.1.8 digital counter reading, nfor the CFR engine,anumerical indication of
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