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Performance, Emissions and Durability Studies on Diesel Engine fuelled with a Preheated Raw Microalgal Oil
* 1, 2 , 3 , 4
1  School of Engineering, Newcastle University, NE1 7RU Newcastle upon Tyne, UK
2  Department of Marine Engineering, Faculty of Maritime Studies, King Abdulaziz University,21589 Jeddah, Saudi Arabia
3  Department of Mechanical Engineering, School of Engineering, University of Birmingham, UK
4  School of Engineering, Newcastle University,NE1 7RUNewcastle upon Tyne, UK

Published: 11 September 2020 by MDPI in The First World Energies Forum session Energy Research and Development (registering DOI)

Preheated Schizochytrium sp. raw MAO was evaluated as a fuel in a single-cylinder four-stroke diesel engine to produce a comparative study of MAO and DO critical parameters. In particular, brake power, brake specific fuel consumption, brake thermal efficiency, in-cylinder pressure, exhaust gas temperature, NOx and CO emission were investigated. Additionally, an engine durability test for longevity was undertaken over a 30 h period, using raw MAO as the fuel. The study demonstrated that the preheated MAO could be successfully used in a Diesel engine smoothly. The use of MAO reduced the engine brake power by 26% and increased brake specific fuel consumption by 20%. The most significant finding from this research study is that there was a significant reduction in NOx and CO emission by 42% and 60% when using raw MAO, respectively. Therefore, these findings demonstrate that algae oil is a highly credible fuel for use in diesel engines and offers a promising solution to diesel engine emissions.

Keywords: microalgae oil; raw microalgae oil; SVO; biomass; bioenergy; durability; performance; emissions