Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter (Precision Method)

SCOPE
1.1 This test method covers the determination of the heat of combustion of hydrocarbon fuels. It is designed specifically for use with aviation turbine fuels when the permissible difference between duplicate determinations is of the order of 0.2 %. It can be used for a wide range of volatile and nonvolatile materials where slightly greater differences in precision can be tolerated.
1.2 In order to attain this precision, strict adherence to all details of the procedure is essential since the error contributed by each individual measurement that affects the precision shall be kept below 0.04 %, insofar as possible.
1.3 Under normal conditions, the method is directly applicable to such fuels as gasolines, kerosines, Nos. 1 and 2 fuel oil, Nos. 1-D and 2-D diesel fuel and Nos. 0-GT, 1-GT, and 2-GT gas turbine fuels.
1.4 Through the improvement of the calorimeter controls and temperature measurements, the precision is improved over that of Test Method D 240.
1.5 The values stated in SI units are to be regarded as the standard.
1.6 This standard does not purport to address 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. For specific hazard statements, see Section 7, 10.6, A1.7.1 and Annex A3.

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Publication Date
09-Dec-2000
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ASTM D4809-00 - Standard Test Method for Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb Calorimeter (Precision Method)
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
An American National Standard
Designation:D4809–00
Standard Test Method for
Heat of Combustion of Liquid Hydrocarbon Fuels by Bomb
1
Calorimeter (Precision Method)
This standard is issued under the fixed designation D4809; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision.Anumber in parentheses indicates the year of last reapproval.A
superscript epsilon (e) indicates an editorial change since the last revision or reapproval.
This standard has been approved for use by agencies of the Department of Defense.
3
1. Scope D1193 Specification for Reagent Water
D1266 Test Method for Sulfur in Petroleum Products
1.1 This test method covers the determination of the heat of
2
(Lamp Method)
combustionofhydrocarbonfuels.Itisdesignedspecificallyfor
D2622 Test Method for Sulfur in Petroleum Products by
use with aviation turbine fuels when the permissible difference
Wavelength Dispersive X-Ray Fluorescence Spectrom-
between duplicate determinations is of the order of 0.2%. It
2
etry
can be used for a wide range of volatile and nonvolatile
D3120 Test Method forTrace Quantities of Sulfur in Light
materials where slightly greater differences in precision can be
Liquid Petroleum Hydrocarbons by Oxidative Microcou-
tolerated.
2
lometry
1.2 In order to attain this precision, strict adherence to all
D3701 Test Method for Hydrogen Content of Aviation
details of the procedure is essential since the error contributed
Fuels by Low Resolution Nuclear Magnetic Resonance
by each individual measurement that affects the precision shall
4
Spectrometry
be kept below 0.04%, insofar as possible.
D4294 Test Method for Sulfur in Petroleum and Petroleum
1.3 Under normal conditions, the method is directly appli-
Products by Energy Dispersive X-ray Fluorescence Spec-
cable to such fuels as gasolines, kerosines, Nos. 1 and 2 fuel
4
troscopy
oil, Nos. 1-D and 2-D diesel fuel and Nos. 0-GT, 1-GT, and
D5453 Test Method for Determination of Total Sulfur in
2-GT gas turbine fuels.
Light Hydrocarbons, Motor Fuels and Oils by Ultraviolet
1.4 Through the improvement of the calorimeter controls
5
Fluorescence
and temperature measurements, the precision is improved over
6
E1 Specification for ASTM Thermometers
that of Test Method D240.
E 144 Practice for Safe Use of Oxygen Combustion
1.5 The values stated in SI units are to be regarded as the
7
Bombs
standard.
E200 Practice for Preparation, Standardization, and Stor-
1.6 This standard does not purport to address the safety
age of Standard and Reagent Solutions for Chemical
concerns, if any, associated with its use. It is the responsibility
8
Analysis
of the user of this standard to establish appropriate safety and
health practices and determine the applicability of regulatory
3. Terminology
limitations prior to use. For specific hazard statements, see
3.1 Definitions:
Section 7, 10.6, A1.7.1 and Annex A3.
3.1.1 gross heat of combustion—expressed as megajoules
2. Referenced Documents perkilogram.Thegrossheatofcombustionatconstantvolume
of a liquid or solid fuel containing only the elements carbon,
2.1 ASTM Standards:
hydrogen, oxygen, nitrogen, and sulfur is the quantity of heat
D129 Test Method for Sulfur in Petroleum Products (Gen-
2
liberated when a unit mass of the fuel is burned in oxygen in
eral Bomb Method)
an enclosure of constant volume, the products of combustion
D240 Test Method for Heat of Combustion of Liquid
2
being gaseous carbon dioxide, nitrogen, sulfur dioxide, and
Hydrocarbon Fuels by Bomb Calorimeter
2
liquid water, with the initial temperature of the fuel and the
D1018 Test Method for Hydrogen in Petroleum Fractions
1 3
This test method is under the jurisdiction of ASTM Committee D-2 on Annual Book of ASTM Standards, Vol 11.01.
4
Petroleum Products and Lubricantsand is the direct responsibility of Subcommittee Annual Book of ASTM Standards, Vol 05.02.
5
D02.05on Petroleum, Coke, and Carbon Materials. Annual Book of ASTM Standards, Vol 05.03.
6
Current edition approved Dec. 10, 2000. Published January 2001. Originally Annual Book of ASTM Standards, Vol 14.03.
7
published as D4809–88. Last previous edition D4809–95. Annual Book of ASTM Standards, Vol 14.04.
2 8
Annual Book of ASTM Standards, Vol 05.01. Annual Book of ASTM Standards, Vol 15.05.
Copyright © ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.
1

---------------------- Page: 1 ----------------------
D4809–00
1MJ/kg 51000J/g (2)
oxygen and the final temperature of the products at 25°C.
Gross heat of combustion (see Note 1) is represented by the
NOTE 3—In SI the unit of heat of combustion has the dimension J/kg,
9
symbol Q .
g but for practical use a multiple is more convenient. The MJ/kg is
customarily used for the representatio
...

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