ASTM-D4529 2011

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D4529-01(2011) Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels

Published By	Publication Date	Number of Pages
ASTM	2011	4

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Categories: 75.160.20 - Liquid fuels, ASTM

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Description

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

1.2 This 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 1The 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:

1.3 The net heat of combustion can also be estimated by Test Method D1405 . 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.

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

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 and health practices and determine the applicability of regulatory limitations prior to use.

PDF Catalog

PDF Pages	PDF Title
1	Scope Referenced Documents
2	Summary of Test Method Significance and Use Procedure
3	Calculation Report Precision and Bias TABLE 1
4	Keywords

Additional information

	NATO Code F-35
Aviation gasoline fuels:	Specification D910
Grades 80, 82, 100/130, and 115/145	Specification D6227
Fuel	Specification
JP-8, Avtur/FSII	MIL-DTL-83133
JP-4, Avtag/FSII	DEF STAN 91 88
Jet A, Jet A-1, Avtur	Specification D1655
Aviation turbine fuels:	MIL-DTL-5624
JP-5, Avcat/FSII	MIL-DTL-5624
ICS Codes	75.160.20 - Liquid fuels

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ASTM-D4529 2011

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