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SAE J1829_201503

Name: SAE J1829_201503 PDF | Request Standard
SKU: d0b65dae194e

Stoichiometric Air-Fuel Ratios of Automotive Fuels

Standard by SAE International, 2015-03-17

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SAE J1829_201503.PDFSecure PDF
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Language: English
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About This Item

The mass of air required to burn a unit mass of fuel with no excess of oxygen or fuel left over is known as the stoichiometric air-fuel ratio. This ratio varies appreciably over the wide range of fuels - gasolines, diesel fuels, and alternative fuels - that might be considered for use in automotive engines. Although performance of engines operating on different fuels may be compared at the same air-fuel ratio or same fuel-air ratio, it is more appropriate to compare operation at the same equivalence ratio, for which a knowledge of stoichiometric air-fuel ratio is a prerequisite. This SAE Recommended Practice summarizes the computation of stoichiometric air-fuel ratios from a knowledge of a composition of air and the elemental composition of the fuel without a need for any information on the molecular weight of the fuel. A recent SAE paper has been added to the references and its use discussed. For clarity, the references have been numbered and footnotes modified. IUPAC atomic weights were updated and equations and tables were modified to reflect the latest atomic weights.

SKU: d0b65dae194e

Publication Date: 2015-03-17

Standard Status: latest

Publisher: SAE International

Document Type: Ground Vehicle Standard

Subject: Alternative fuels, Nitrogen oxides, Diesel fuels, Carbon dioxide, Three-way catalysts, Humidity, Combustion and combustion processes, ,

Official SAE: Doi link

This Version: J1829_201503 (2015-03-17)
Previous Version: J1829_200210 (2002-10-31)
Previous Version: J1829_199205 (1997-12-01)
Previous Version: J1829_199712 (1997-12-01)
Previous Version: J1829_198706 (1987-06-01)

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