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ASTM D 4529 : 2024

Current

Current

The latest, up-to-date edition.

Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

10-10-2024

€49.35
Excluding VAT

Committee
D 02
DocumentType
Test Method
Pages
4
PublisherName
American Society for Testing and Materials
Status
Current
Supersedes

1.1This test method covers the estimation of the net heat of combustion at constant pressure in metric (SI) units, megajoules per kilogram.

1.2This test method is purely empirical, and it is applicable only to liquid hydrocarbon fuels derived by normal refining processes from conventional crude oil which conform to the requirements of specifications for aviation gasolines or aircraft turbine and jet engine fuels of limited boiling ranges and compositions as described in Note 1.

Note 1:The estimation of the net heat of combustion of a hydrocarbon fuel from its aniline point temperature and density is justifiable only when the fuel belongs to a well-defined class for which a relationship between these quantities has been derived from accurate experimental measurements on representative samples of that class. Even in this class, the possibility that the estimates can be in error by large amounts for individual fuels should be recognized. The JP-8 fuel, although not experimentally tested, has properties similar to JP-5 and Jet A fuels and can be considered in the same class. The classes of fuels used to establish the correlation presented in this test method are represented by the following applications:

Fuel

Specification

Aviation gasoline fuels:

Specification D910

Grades 80, UL82, UL87, 90, 91, UL91, 94, UL94, 100/100LL/100VLL

Specification D6227
Specification D7547
Specification D7592

Aviation turbine fuels:

Specification D6615

Jet B, JP-4

MIL-DTL-5624

JP-5

MIL-DTL-5624

JP-8

MIL-DTL-83133

Jet A, Jet A-1

Specification D1655
Specification D7223
Specification D7566

1.3The net heat of combustion can also be estimated by Test Methods D1405 or D3338. Test Method D1405 requires calculation of one of four equations dependent on the fuel type with the precision equivalent to that of this test method, whereas Test Method D3338 requires calculation of a single equation for aviation fuel with a precision equivalent to that test method.

1.4The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.

1.5This 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.

1.6This 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.

ASTM D 7547 : 2023 Standard Specification for Hydrocarbon Unleaded Aviation Gasoline
ASTM D 7960 : 2021 Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Non-hydrocarbon Components
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ASTM D 4054 : 2024 Standard Practice for Evaluation of New Aviation Turbine Fuels and Fuel Additives
ASTM D 1655 : 2024 Standard Specification for Aviation Turbine Fuels
ASTM D 8147 : 2024 Standard Specification for Special-Purpose Test Fuels for Aviation Compression-Ignition Engines
ASTM D 6615 : 2022 Standard Specification for Jet B Wide-Cut Aviation Turbine Fuel
ASTM D 910 : 2024 Standard Specification for Leaded Aviation Gasolines
ASTM D 3338/D3338M : 2020 : REV A Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels
ASTM D 7566 : 2024 : REV B Standard Specification for Aviation Turbine Fuel Containing Synthesized Hydrocarbons
ASTM D 6227 : 2024 Standard Specification for Unleaded Aviation Gasoline Containing a Non-hydrocarbon Component
ASTM D 8434 : 2021 Standard Specification for Unleaded Aviation Gasoline Test Fuel Containing Organo-metallic Additive
ASTM D 7223 : 2021 Standard Specification for Aviation Certification Turbine Fuel

ASTM D 5453 : 2019 : REV A Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence
ASTM D 5453 : 2024 Standard Test Method for Determination of Total Sulfur in Light Hydrocarbons, Spark Ignition Engine Fuel, Diesel Engine Fuel, and Engine Oil by Ultraviolet Fluorescence

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