ASTM-D909 Standard Test Method for Supercharge Rating of Spark-Ignition Aviation Gasoline

ASTM-D909 - 2018 EDITION - CURRENT
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Standard Test Method for Supercharge Rating of Spark-Ignition Aviation Gasoline
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Scope

1.1 This laboratory test method covers the quantitative determination of supercharge ratings of spark-ignition aviation gasoline. The sample fuel is tested using a standardized single cylinder, four-stroke cycle, indirect injected, liquid cooled, CFR engine run in accordance with a defined set of operating conditions.

1.2 The supercharge rating is calculated by linear interpolation of the knock limited power of the sample compared to the knock limited power of bracketing reference fuel blends.

1.3 The rating scale covers the range from 85 octane number to Isooctane + 6.0 mL TEL/U.S. gal.

1.4 The values of operating conditions are stated in SI units and are considered standard. The values in parentheses are the historical inch-pound units. The standardized CFR engine measurements and reference fuel concentrations continue to be in historical units.

1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety, health, and environmental practices and determine the applicability of regulatory limitations prior to use. Specific precautionary statements are given in Annex A1.

1.6 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

Keywords

ICS Number Code 75.160.20 (Liquid fuels)

To find similar documents by ASTM Volume:

05.05 (Combustion Characteristics; Manufactured Carbon and Graphite Products; Catalysts)

To find similar documents by classification:

75.160.20 (Liquid fuels Including gasoline, diesel, kerosene, etc.)

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Document Number

ASTM-D909-18

Revision Level

2018 EDITION

Status

Current

Modification Type

Revision

Publication Date

July 1, 2018

Document Type

Test Method

Page Count

18 pages

Committee Number

D02.01