Authors :
Sunil Mahto; Ashish Kumar Saha
Volume/Issue :
Volume 9 - 2024, Issue 12 - December
Google Scholar :
https://tinyurl.com/r35zpuky
Scribd :
https://tinyurl.com/bdrdjexb
DOI :
https://doi.org/10.5281/zenodo.14613875
Abstract :
The continuous increase in global energy
demand, combined with the dependence on finite fossil
fuel resources, the rise in exhaust emissions, and the
challenges of climate change, has led to extensive research
into alternative fuels. Biodiesel and its blends are
considered among the most suitable and practical
alternatives for diesel engines. This study examines the
performance of a dual-fuel diesel engine using pure diesel
and various compositions of biodiesel produced from
Karanja oil (BKO) in combination with hydrogen. The
physicochemical properties and performance
characteristics of biodiesel produced from Karanja oil
(BKO), combined with hydrogen as a supplementary fuel,
were thoroughly analyzed. Key parameters studied
included volumetric efficiency, air-fuel ratio, heat in
brake power (HBP), heat in jacket water (HJW), heat
carried away by exhaust gases (H Gas), and heat
dissipated through radiation (H Rad). The findings
indicated that as the proportion of hydrogen and biodiesel
increased, the volumetric efficiency of the engine
decreased by 5.87%, primarily due to the displacement of
air by hydrogen. The air-fuel ratio also decreased
significantly, by 81.68%, because of hydrogen's lower
density compared to air. Conversely, the heat in brake
power (HBP) rose by 99.75%, attributed to the efficient
combustion properties of hydrogen within the cylinder.
Heat in jacket water (HJW) and heat carried away by
exhaust gases (H Gas) decreased by 55.76% and 19.67%,
respectively, due to hydrogen's higher thermal
conductivity. Meanwhile, the heat dissipated through
radiation (H Rad) increased by 66.76% as a result of
higher mean gas temperatures when substituting diesel
with hydrogen, which increased the fraction of heat lost
as radiation.
Keywords :
Diesel, Biodiesel of Karanja Oil, Hydrogen Fuel, and Performance.
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The continuous increase in global energy
demand, combined with the dependence on finite fossil
fuel resources, the rise in exhaust emissions, and the
challenges of climate change, has led to extensive research
into alternative fuels. Biodiesel and its blends are
considered among the most suitable and practical
alternatives for diesel engines. This study examines the
performance of a dual-fuel diesel engine using pure diesel
and various compositions of biodiesel produced from
Karanja oil (BKO) in combination with hydrogen. The
physicochemical properties and performance
characteristics of biodiesel produced from Karanja oil
(BKO), combined with hydrogen as a supplementary fuel,
were thoroughly analyzed. Key parameters studied
included volumetric efficiency, air-fuel ratio, heat in
brake power (HBP), heat in jacket water (HJW), heat
carried away by exhaust gases (H Gas), and heat
dissipated through radiation (H Rad). The findings
indicated that as the proportion of hydrogen and biodiesel
increased, the volumetric efficiency of the engine
decreased by 5.87%, primarily due to the displacement of
air by hydrogen. The air-fuel ratio also decreased
significantly, by 81.68%, because of hydrogen's lower
density compared to air. Conversely, the heat in brake
power (HBP) rose by 99.75%, attributed to the efficient
combustion properties of hydrogen within the cylinder.
Heat in jacket water (HJW) and heat carried away by
exhaust gases (H Gas) decreased by 55.76% and 19.67%,
respectively, due to hydrogen's higher thermal
conductivity. Meanwhile, the heat dissipated through
radiation (H Rad) increased by 66.76% as a result of
higher mean gas temperatures when substituting diesel
with hydrogen, which increased the fraction of heat lost
as radiation.
Keywords :
Diesel, Biodiesel of Karanja Oil, Hydrogen Fuel, and Performance.