Camelina oil as a fuel for diesel transport engines |
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| Institution: | 1. University of Marburg, Internal Medicine, Pulmonary and Critical Care Medicine, Member of the German Center for Lung Reserach (DZL), Germany;2. University of Marburg, Internal Medicine, Cardiology, Germany;3. University of Marburg, Physiotherapy, Germany;1. Department of Cardiology, Royal Prince Alfred Hospital, Sydney, NSW, Australia;2. Department of Forensic Medicine, Central Sydney Laboratory Service, Australia;3. Sydney Medical School, University of Sydney, NSW, Australia;4. Department of Biochemistry, Royal Prince Alfred Hospital, Sydney, NSW, Australia;5. Department of Medicine, University of Sydney, NSW, Australia |
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| Abstract: | A light commercial road vehicle fitted with a heated fuel line and tank was run on cold pressed and filtered camelina sativa seed oil and unheated mineral diesel fuel. It was found that the seed oil produced a maximum power at the road wheels of 43.25 kW and returned 12.57 km/l compared to 38.50 kW and 14.03 km/l for the mineral fuel. At an engine speed >2000 rpm and high loading, both smoke opacity and CO emitted from the exhaust was found to be approximately 50% lower with the seed oil than with the mineral fuel, however, NO was higher for the seed oil by almost 6% at engine speeds >3500 rpm, but similar <3500 rpm. The CO2 and O2 emissions were similar and NO2 emitted was negligible for both fuels. The effect of heating at 170 °C on the camelina sativa seed oil was investigated and a significant increase in viscosity was observed which coincided with a reduction in the iodine value of the oil. |
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