ImageVerifierCode 换一换
格式:PDF , 页数:29 ,大小:1.01MB ,
资源ID:174446      下载积分:14 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/174446.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_D_6201_-_19a.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_D_6201_-_19a.pdf

1、Designation:D620119aStandard Test Method forDynamometer Evaluation of Unleaded Spark-Ignition EngineFuel for Intake Valve Deposit Formation1This standard is issued under the fixed designation D6201;the number immediately following the designation indicates the year oforiginal adoption or,in the case

2、 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.1.Scope*1.1 This test method covers an engine dynamometer testprocedure for evaluation of intake valve deposi

3、t formation ofunleaded spark-ignition engine fuels.2This test method uses aFord Ranger 2.3 L four-cylinder engine.This test methodincludes detailed information regarding the procedure,hardware,and operations.1.2 The ASTM Test Monitoring Center(TMC)3is respon-sible for engine test stand calibration a

4、s well as issuance ofinformation letters after test method modifications are ap-proved by Subcommittee D02.A0 and Committee D02.Usersof this test method shall request copies of recent informationletters from the TMC to ensure proper conduct of the testmethod.1.3 The values stated in SI units are to

5、be regarded asstandard.The values given in parentheses after SI units areprovided for information only and are not considered standard.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 establ

6、ish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Specific warning statements are given throughout this testmethod.1.5 This test method is arranged as follows:SubjectSectionScope1Referenced Documents2Terminology3Summary

7、 of Test Method4Significance and Use5Apparatus6SubjectSectionLaboratory Facilities6.1Engine and Cylinder Head Build-Up and Measurement Area6.1.1Engine Operating Area6.1.2Fuel Injector Testing Area6.1.3Intake Valve Rinsing and Parts Cleaning Area6.1.4Parts Rating and Intake Valve Weighing Area6.1.5Te

8、st Stand Laboratory Equipment6.2Test Stand Configuration6.2.1Dynamometer Speed and Load Control System6.2.2Intake Air Supply System6.2.3Exhaust System6.2.4Fuel Supply System6.2.5Engine Control Calibration6.2.6Ignition System6.2.7Engine Coolant System6.2.8External Oil System6.2.9Temperature Measureme

9、nt Equipment and Locations6.2.10Pressure Measurement Equipment and Locations6.2.11Flow Measurement Equipment and Locations6.2.12Speed and Load Measurement Equipment and Locations6.2.13Exhaust Emissions Measurement Equipment and Location6.2.14DPFE(EGR)Voltage Measurement Equipment and Location6.2.15I

10、gnition Timing Measurement Equipment and Location6.2.16Test Engine Hardware6.3Test Engine Parts6.3.1New Parts Required6.3.2Reusable Engine Parts6.3.3Special Measurement and Assembly Equipment6.4Reagents and Materials7Hazards8Reference Fuel9Preparation of Apparatus10Test Stand Preparation10.1Engine B

11、lock Preparation10.2Preparation of Miscellaneous Engine Components10.3Cylinder Head Preparation10.4Cylinder Head Assembly10.5Cylinder Head Installation10.6Final Engine Assembly10.7Calibration11Test Stand Calibration11.1Instrumentation Calibration11.2Procedure12Pretest Procedure12.1Engine Operating P

12、rocedure12.2Periodic Measurements and Functions12.3End of Test Procedures12.4Determination of Test Results13Post-Test Intake Valve Weighing Procedure13.1Photographs of PartsGeneral13.2Induction System Rating13.3Determination of Test Validity-Engine Conformance13.4Report14Precision and Bias15Keywords

13、161This test method is under jurisdiction of ASTM Committee D02 on PetroleumProducts,Liquid Fuels,and Lubricants and is the direct responsibility of Subcom-mittee D02.A0.01 on Gasoline and Gasoline-Oxygenate Blends.Current edition approved Dec.1,2019.Published December 2019.Originallyapproved in 199

14、7.Last previous edition approved in 2019 as D6201 19.DOI:10.1520/D6201-19A.2Supporting data have been filed at ASTM International Headquarters and maybe obtained by requesting Research Report RR:D02-1453.ContactASTM CustomerService at serviceastm.org.3ASTM Test Monitoring Center(TMC),6555 Penn Avenu

15、e,Pittsburgh,PA15206-4489.*A Summary of Changes section appears at the end of this standardCopyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on

16、 standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.SubjectSectionAnnexesDetailed Specifications and Photographs of ApparatusAnnex A1Engine Part Number ListingAnnex A2Statistical Equations for Mean and Standard DeviationAnnex A31.6 This international standard was developed in accor-dance with internationally recognized principles on stan

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2