Effects of iron nanoparticle fuel additive on the performance and exhaust emissions of a CI engine fuelled with diesel and biodiesel

[+] Author and Article Information
Sumita Debbarma

Department of Mechanical Engineering, National Institute of Technology Silchar, Assam-788010, India

Rahul Dev Misra

Department of Mechanical Engineering, National Institute of Technology Silchar, Assam-788010, India

1Corresponding author.

ASME doi:10.1115/1.4038708 History: Received June 20, 2017; Revised October 10, 2017


The effect of iron (Fe) nanoparticles additive to biodiesel blend and diesel fuels in terms of engine performance and emission characteristics is experimentally investigated in a stationary diesel engine. A fuel additive iron nanoparticle is suspended in the neat diesel (D) and 20% palm biodiesel blend with diesel (PB20) using ultra-sonication process and these modified fuels are termed as D + 50Fe and PB20 + 50Fe, respectively. Experiments are conducted on a developed diesel experimental setup to evaluate the engine performance and exhaust emissions for the fuels, namely D, PB20, D + 50Fe, and PB20 + 50Fe. Results indicate that the density, viscosity, and calorific value of the fuel blends tend to increase with the addition of nanoparticles in the blends. BTE gets enhanced by about 2.06% for PB20 + 50Fe and about 0.36% for D + 50Fe with respect to BTE of PB20 and D respectively. Similarly, BSFC is lowered by 2.71% for PB20 + 50Fe and by 1.55% for D + 50Fe. Emission of regulated parameters, i.e. HC, CO, and NOx emission shows a reducing trend. Volumetric reduction in the emissions of HC by 3-6%, CO by 6-12%, and NOx by 4-11.16% are observed.

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