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Thursday, July 11 • 11:40 - 12:00
Combustion noise from diesel engine using raw palm oil and its biofuel

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An experimental investigation has been carried out to examine the diesel engine combustion noise and engine roughness when palm oil methyl esters biofuel is used in a diesel engine. A reference case has been tested when diesel fuel is used and another case when crude palm oil is used. A variable compression research diesel engine Ricardo E6 has been used throughout the current work. The effects of engine speed, engine load, injection timing and compression ratio have been experimentally scrutinized. The results presented included the he maximum combustion pressure rise rate, the maximum sound pressure level at the different engine conditions. The diesel engine exhibited less combustion noise, less engine roughness when palm oil methyl esters biofuel is used. The engine exhibited even less noise when crude palm oil is used, though the viscosity is not practically acceptable.


Maria Heckl

Professor, Keele University


Thursday July 11, 2019 11:40 - 12:00 EDT
Outremont 5
  T03 Aero… aircrft noise & vibr., SS03 Combust noise & thermoac