Performance of a Small Internal Combustion Engine Using N-Heptane and Iso-Octane - Softcover

Wilson, Cary W

Softcover

ISBN 10: 1025090365 ISBN 13: 9781025090368

Verlag: Hutson Street Press, 2025

Inhaltsangabe

With the sustained interest in Unmanned Aircraft Systems (UAS) and Micro Air Vehicles (MAV), the military services have a real need for vehicles powered by an internal combustion (IC) engine that can run efficiently on heavy hydrocarbon fuels, especially JP-8 due to established logistics. This thesis concerns the results of running a two horsepower, 4-stroke, spark-ignition engine (FUJI BF34-EI) with both iso-Octane and n-Heptane. Results include the knocking characteristic of this engine with n-Heptane, a comparison of the brake specific fuel consumption (BSFC) of the two fuels in a factory delivered engine configuration over a 17x10 APC propeller loading, a comparison of the heated fuel effects on BSFC and torque of the two fuels and the effects of varied spark timing with n-Heptane on BSFC and torque. It is shown with stock ignition timing and fuel at ambient temperature, n-Heptane exhibits on average less specific fuel consumption than iso-Octane; specifically, an average of 4.1% over the entire engine loading and 12.61% over the stock propeller engine loading.

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Details zur Ausgabe

• Verlag: Hutson Street Press
• Erscheinungsdatum: 2025
• Sprache: Englisch
• ISBN 10: 1025090365
• ISBN 13: 9781025090368
• Einband: Taschenbuch
• Anzahl der Seiten: 168
• Kontakt zum Hersteller: Nicht verfügbar
• Verantwortliche Person: Nicht verfügbar