ASTM-D2157 Standard Test Method for Effect of Air Supply on Smoke Density in Flue Gases from Burning Distillate Fuels

ASTM-D2157 - 2018 EDITION - CURRENT
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Standard Test Method for Effect of Air Supply on Smoke Density in Flue Gases from Burning Distillate Fuels
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Scope

1.1 This test method covers the evaluation of the performance of distillate fuels from the standpoint of clean, efficient burning. It is intended primarily for use with home heating equipment burning No. 1 or No. 2 fuel oils. It can be used either in the laboratory or in the field to compare fuels using a given heating unit or to compare the performance of heating units using a given fuel.

Note 1: This test method applies only to pressure atomizing and rotary-type burners.

1.2 The values stated in SI units are to be regarded as standard. The values given in parentheses after SI units are provided for information only and are not considered standard.

1.2.1 Arbitrary and relative units are also used.

1.3 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.

1.4 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.

Significance and Use

5.1 This test method relates efficiency of operation of domestic heating equipment to clean burning. Reducing combustion air in a burner gives more efficient operation. The extent to which combustion air can be reduced is limited by the onset of unacceptable smoke production. By delineating the relation between smoke density and air supply, this test method (together with net stack temperature data) defines the maximum efficiency for a given installation at any acceptable smoke level.

5.2 For certain types of equipment, such as the rotary wall-flame burner, too much excess air will cause smoke as well as too little. For these cases, the point of minimum excess air at the acceptable smoke level indicates the optimum efficiency.

5.3 The operating temperatures of the equipment will affect these test results. The relation of excess air to smoke density is thus susceptible to some change at different points in an operating cycle. In practice, an adequate compromise is possible by operating the burner for 15 min before any readings are recorded and then obtaining the test data within a succeeding 25 min period.

5.4 Under laboratory conditions, CO2 readings are reproducible to ±0.3 % and smoke readings are reproducible to ±1/2 smoke spot number.

Keywords

heating oil; kerosine; smoke density;; ICS Number Code 75.160.20 (Liquid fuels)

To find similar documents by ASTM Volume:

05.01 (Petroleum Products and Lubricants (I): D56 - D3710)

To find similar documents by classification:

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

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Document Number

ASTM-D2157-18

Revision Level

2018 EDITION

Status

Current

Modification Type

Revision

Publication Date

April 1, 2018

Document Type

Test Method

Page Count

3 pages

Committee Number

D02.E0