ASTM D7589-2015a red 7836 Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VID Spark Ig.pdf
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1、Designation: D7589 15D7589 15aStandard Test Method forMeasurement of Effects of Automotive Engine Oils on FuelEconomy of Passenger Cars and Light-Duty Trucks inSequence VID Spark Ignition Engine1,2This standard is issued under the fixed designation D7589; the number immediately following the designa
2、tion indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONThis Portions of this test method
3、 can be used by any properly equipped laboratory without outsideassistance. However, the are written for use by laboratories that make use of ASTM Test MonitoringCenter (TMC)3 provides reference oils and assessment of the test results obtained on those oils by thelaboratory services (see Annex A1).
4、By this means, the laboratory will know whether their use of thistest method gives results statistically similar to those obtained by other laboratories. Furthermore,various agencies require that a laboratory utilize the TMC services in seeking qualification of oilsagainst specifications. For exampl
5、e, the American Petroleum Institute (API) imposes such arequirement, in connection with several U.S. Army engine lubricating oil specifications. Accordingly,this test method is written for use by laboratories that utilize the TMC services. Laboratories thatchoose not to use those services may simply
6、 ignore those portions of this test method that refer to theTMC. This test method may be modified by means of Information Letters issued by the TMC. Inaddition, the TMC may issue supplementary memoranda related to this test method. Users of this testmethod shall contact theTMC,Attention:Administrato
7、r, to obtain the most recent of these informationletters.The TMC provides reference oils, and engineering and statistical services to laboratories that desireto produce test results that are statistically similar to those produced by laboratories previouslycalibrated by the TMC.In general, the Test
8、Purchaser decides if a calibrated test stand is to be used. Organizations such astheAmerican Chemistry Council require that a laboratory utilize the TMC services as part of their testregistration process. In addition, the American Petroleum Institute and the Gear Lubricant ReviewCommittee of the Lub
9、ricant Review Institute (SAE International) require that a laboratory use theTMC services in seeking qualification of oils against their specifications.The advantage of using the TMC services to calibrate test stands is that the test laboratory (andhence the Test Purchaser) has an assurance that the
10、 test stand was operating at the proper level of testseverity. It should also be borne in mind that results obtained in a non-calibrated test stand may notbe the same as those obtained in a test stand participating in the ASTM TMC services process.Laboratories that choose not to use the TMC services
11、 may simply disregard these portions.1. Scope*1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fueleconomy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a1 This
12、test method is under the jurisdiction ofASTM Committee D02 on Petroleum Products, Liquid Fuels, and Lubricants and is the direct responsibility of SubcommitteeD02.B0.10 on Standards Acceleration.Current edition approved Feb. 1, 2015Oct. 1, 2015. Published February 2015November 2015. Originally appro
13、ved in 2009. Last previous edition approved in 20142015as D7589 14.D7589 15. DOI:10.1520/D7589-15.DOI:10.1520/D7589-15A.2 The multi-cylinder engine test sequences were originally developed by an ASTM Committee D02 group. Subsequently, the procedures were published in an ASTMspecial technical publica
14、tion. The Sequence VIB was published as Research Report RR:D02-1469, dated April 8, 1999.3 The ASTM Test Monitoring Center will update changes in this test method by means of Information Letters. This edition includes all information letters through No.141.142. Information letters may be obtained fr
15、om the ASTM Test Monitoring Center, 6555 Penn Avenue, Pittsburgh, PA 15206-4489, Attention: Administrator.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be tech
16、nically possible to adequately depict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.*A Summary of Changes section appears at the end of this
17、 standardCopyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959. United States1specified spark-ignition engine with a displacement of 3.6 L (General Motors)4 on a dynamometer test stand. It applies to multiviscosity grade oils used in these applications.1.
18、2 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.1.2.1 ExceptionsWhere there is no direct equivalent such as the units for screw threads, National Pipe threads/diameters,tubing size, and single source supply equipment specifi
19、cations. Additionally, Brake Fuel Consumption (BSFC) is measured inkilograms per kilowatthour.1.3 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibilityof the user of this standard to establish appropriate safety and health pra
20、ctices and determine the applicability of regulatorylimitations prior to use.1.4 This test method is arranged as follows:Subject SectionIntroductionScope 1Referenced Documents 2Terminology 3Summary of Test Method 4Significance and Use 5Apparatus 6General 6.1Test Engine Configuration 6.2Laboratory Am
21、bient Conditions 6.3Engine Speed and Torque Control 6.4Dynamometer 6.4.1Dynamometer Torque 6.4.2Engine Cooling System 6.5External Oil System 6.6Fuel System 6.7Fuel Flow Measurement 6.7.2Fuel Temperature and Pressure Control to the FuelFlowmeter6.7.3Fuel Temperature and Pressure Control to Engine Fue
22、l Rail 6.7.4Fuel Supply Pumps 6.7.5Fuel Filtering 6.7.6Engine Intake Air Supply 6.8Intake Air Humidity 6.8.1Intake Air Filtration 6.8.2Intake Air Pressure Relief 6.8.3Temperature Measurement 6.9Thermocouple Location 6.9.5AFR Determination 6.10Exhaust and Exhaust Back Pressure Systems 6.11Exhaust Man
23、ifolds 6.11.1Laboratory Exhaust System 6.11.2Exhaust Back Pressure 6.11.3Pressure Measurement and Pressure Sensor Locations 6.12Engine Oil 6.12.2Fuel to Fuel Flowmeter 6.12.3Fuel to Engine Fuel Rail 6.12.4Exhaust Back Pressure 6.12.5Intake Air 6.12.6Intake Manifold Vacuum/Absolute Pressure 6.12.7Coo
24、lant Flow Differential Pressure 6.12.8Crankcase Pressure 6.12.9Engine Hardware and Related Apparatus 6.13Test Engine Configuration 6.13.1ECU (Power Control Module) 6.13.2Thermostat Block-Off Adapter Plate 6.13.3Wiring Harness 6.13.4Oil Pan 6.13.5Engine Water Pump Adapter Plate 6.13.6Thermostat Block
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