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ASTM International - ASTM D1405/D1405M-08(2013)

Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels (Withdrawn 2019)

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Organization: ASTM International
Publication Date: 1 May 2013
Status: inactive
Page Count: 7
ICS Code (Liquid fuels): 75.160.20
significance And Use:

4.1 This test method is intended for use as a guide in cases where an experimental determination of heat of combustion is not available and cannot be made conveniently, and where an estimate is... View More

scope:

1.1 This test method covers the estimation of the net heat of combustion at constant pressure in SI units (megajoules per kilogram) or inch-pound units [Btu per pound].

1.2 This test method is purely empirical and 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 aniline-gravity product is justifiable only when the fuel belongs to a well-defined class for which a relation between heat of combustion and aniline-gravity product has been derived from accurate experimental measurements on representative samples of that class. Even in this case, the possibility that the estimates may be in error by large amounts for individual fuels should be recognized. The classes of fuels used to establish the correlation presented in this test method are represented by the following specifications:

Fuel Specification
Aviation gasoline fuels: Specification

D910

Grades 80, 82, 100/130, and 115/145 Specification

D6227

  DEF STAN 91-90
  NATO Code F-18
 
Aviation turbine fuels: MIL-DTL-5624
JP-4,Avtag/FSII DEF STAN 91-88
  NATO Code F-40
 
JP-5,Avcat/FSII MIL-DTL-5624
  DEF STAN 91-86
  NATO Code F-44
 
Jet A, Jet A-1, Avtur Specification

D1655

  DEF STAN 91-91
  NATO Code F-35

1.3 This test method is not applicable to pure hydrocarbons. It is not intended as a substitute for experimental measurements of heat of combustion.

1.4 The heat of combustion may also be determined in SI units by Test Method D4529. Test Method D4529 requires calculation of a single equation for all aviation fuels with a precision equivalent to that of this test method.

1.5 The values stated in either SI units or inch-pound units are to be regarded separately as standard. The values stated in each system may not be exact equivalents; therefore, each system shall be used independently of the other. Combining values from the two systems may result in non-conformance with the standard.

1.6 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.

Document History

ASTM D1405/D1405M-08(2013)
May 1, 2013
Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels (Withdrawn 2019)
1.1 This test method covers the estimation of the net heat of combustion at constant pressure in SI units (megajoules per kilogram) or inch-pound units [Btu per pound]. 1.2 This test method is...
December 1, 2008
Standard Test Method for Estimation of Net Heat of Combustion of Aviation Fuels
1.1 This test method covers the estimation of the net heat of combustion at constant pressure in SI units (megajoules per kilogram) or inch-pound units [Btu per pound]. 1.2 This test method is...
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