Diesel Power, Economy, and API Gravity

R. Lindeman; D. Lawrence; T. Wagner

doi:10.1520/STP46059S

SYMPOSIA PAPER Published: 01 January 1967

STP46059S

Diesel Power, Economy, and API Gravity

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Whether fuel density influences power and economy of diesel engines enough to be an important fuel specification has caused much controversy. To resolve this question, power and fuel consumption of five engines and three trucks were carefully measured with diesel fuels ranging in gravity from 29 to 45 deg API. In all engines at all speeds and loads, maximum power declined only 0.3 per cent, and fuel consumption increased only 0.3 per cent per degree increase in gravity. We conclude that only small variations in power and economy result from differences in gravity among commercial fuels.

Author Information

Lindeman, R., P.

Am. Oil Co., Chicago, Ill.

Lawrence, D., K.

Am. Oil Co., Whiting, Ind.

Wagner, T., O.

Am. Oil Co., Whiting, Ind.

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Details

Developed by Committee: D02

Pages: 74–83

DOI: 10.1520/STP46059S

ISBN-EB: 978-0-8031-6758-2

ISBN-13: 978-0-8031-6632-5

Diesel Power, Economy, and API Gravity

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