Advances in Energy Research

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Energy and exergy analysis of CI engine dual fuelled with linseed biodiesel and biogas

  • S. Lalhriatpuia (Department of Mechanical Engineering, Delhi Technology University) ;
  • Amit Pal (Department of Mechanical Engineering, Delhi Technology University)
  • Received : 2022.07.20
  • Accepted : 2022.09.07
  • Published : 2022.12.25
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Abstract

Our overdependence on the limited supply of fossil fuel with the burden of emission as a consequence of its utilization has been a major concern. Biodiesel is emerging as a potential diesel substitution for its similar performance, with the additional benefits of emitting lesser emissions. Due to the easy availability of feedstock for Biogas production, Biogas is studied for its use in CI engines. In this study, we considered Linseed Biodiesel and Biogas to run on dual fuel mode in a CI engine. An energy and exergy analysis was conducted to study the rate of fuel energy and exergy transformation to various other processes. Exergy relocation to exhaust gases was observed to be an average of 5% more for dual fuel mode than the diesel mode, whereas exergy relocation to the diesel mode was observed to be more than the dual fuel modes. Also, exergy loss to exhaust gas is observed to be more than the exergy transferred to cooling water or shaft. The exergy efficiency observed for biodiesel-biogas mode is only lesser by 3% compared to diesel-biogas mode, suggesting Biodiesel can be a substitute fuel for diesel.

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