

ASTM D8226-2019 客車(chē)和輕型卡車(chē)順序VIF火花點(diǎn)火發(fā)動(dòng)機中車(chē)用發(fā)動(dòng)機油對于燃油經(jīng)濟性影響測量方法 Standard Test Method for Measurement of Effects of Automotive Engine Oils on Fuel Economy of Passenger Cars and Light-Duty Trucks in Sequence VIF Spark Ignition Engine
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- 標準編號:ASTM D8226-2019
- 標準狀態(tài):現行
- 更新時(shí)間:2023-08-12
- 下載次數:次
1.1 This test method covers an engine test procedure for the measurement of the effects of automotive engine oils on the fuel economy of passenger cars and light-duty trucks with gross vehicle weight 3856 kg or less. The tests are conducted using a specified spark-ignition engine with a displacement of 3.6 L (General Motors)4 on a dynamometer test stand. It applies to multi viscosity oils used in these applications.
1.2 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 Exceptions—Where there is no direct equivalent such as the units for screw threads, National Pipe threads/diameters, tubing size, and single source supply equipment specifications. Additionally, Brake Fuel Consumption (BSFC) is measured in kilograms per kilowatt-hour.
1.3 This test method is arranged as follows:
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