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This article assesses the impact of n-butanol (nB) and iso-butanol (isoB) as components of a butanol-acetone (BA) mixture on spray, combustion, engine performance and emission characteristics. The macroscopic spray characteristics including spray penetration, spray cone angle and spray volume of n-/iso-BA-diesel blends were measured at two injection pressures 300 bar and 500 bar. A direct visualisation...
The purpose of this study is to investigate the possibility of biodiesel production from Salvia macrosiphon oil (SMO) using the ultrasonic system. The major properties of Salvia macrosiphon methyl ester was compared with ASTM standards and the specifications met the requirements of biodiesel standards. This allows Salvia macrosiphon oil to be utilized for biodiesel production and be a potential substitute...
This paper studies the use of RSM (response surface methodology) to optimize the performance parameters and exhaust emissions of a SI (spark ignition) engine which operates with ethanol–gasoline blends of 5%, 7.5%, 10%, 12.5% and 15% called E5, E7.5, E10, E12.5 and E15. In the experiments, the engine ran at various speeds for each test fuel and 45 different conditions were constructed. In comparison...
LTPCI (low temperature premixed compression ignition) strategies are capable of causing simultaneous reduction in NOx and PM (particulate matter) emissions and increment in HC (hydrocarbon) and CO (carbon monoxide) emission with more cyclic variation. In this study, the combustion characteristics, performance and exhaust emissions of the RCCI (reactivity controlled compression ignition) engine dual...
Biodiesel is an environmental friendly liquid fuel similar to conventional diesel in combustion properties. It has received international attention in recent times, as that biodiesel is renewable, non-toxic and safe to store. In this study, high grade biodiesel was produced from microalgae (Nannochloropsis oculata) derived lipids via transesterification reaction with methanol in the presence of heterogeneous...
Biodiesel is a recognized replacement for diesel fuel in compressed ignition engines due to its significant environmental benefits. The purpose of this study is to investigate the engine performance and emissions produced from Jatropha curcas, Ceiba pentandra and Calophyllum inophyllum biodiesel in compressed ignition engine. The biodiesel production process and properties are discussed and a comparison...
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