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  Scopus ID: 21100926589

Influence of Fuel Blends on Performance, Combustion, and Emission Characteristics of CI Engines

Deenoo Pawar and Sandeep Jaiswal

Abstract

Depletion of conventional fuels, as well as continuous price hike, is prime reasons for the requirement for alternative fuel. In order to overcome such situations, blending diesel fuel is one of the promising techniques to create alternative fuels with the aid of conventional fuels. The present work deals with the experimental investigation of carbodiesel fuel blends in single cylinder 4 stroke diesel engines to examine the utilization of carbodiesel fuel blends as an alternative fuel in diesel engines. Four different types of fuel blends such as carbodiesel5, carbodiesel10, carbodiesel15, and carbodiesel20 fuel blends were employed for experimental purposes. Experiments were conducted by using different equipment for the recording of experimental readings of engine characteristics and then these data were linked with a data acquisition system for further processing. An increment in carbon black content in diesel fuel resulted in an increment in ignition delay and combustion duration, but it resulted in decrement in other combustion parameters such as maximum pressure, maximum rate of pressure rise, maximum heat release rate, and combustion efficiency. Maximum brake specific energy consumption increases but on the other hand maximum brake thermal efficiency decreases with increment in carbon content within the fuel blends of carbo-diesel. It was noticed that reference diesel fuel has got the least amount of exhaust gas temperature due to the fact that it has got maximum rate of pressure rise for diesel fuel as compared to other fuel blends of carbodiesel. It was gathered that CO (carbon monoxide), HC (hydrocarbon), and smoke emission content increases with increment in carbon content in carbodiesel fuel blends and NOx (nitrogen oxides) decreases with increment in carbon content within fuel blends. Out of all experimental findings, carbodiesel5 was found to be the most efficient fuel blend as compared to other fuel blends which matches quite well with diesel fuel in performance, combustion, and emission characteristics.

Published on: November 23, 2023
doi: 10.17756/nwj.2023-s4-002
Citation: Pawar D, Jaiswal S. 2023. Influence of Fuel Blends on Performance, Combustion, and Emission Characteristics of CI Engines. NanoWorld J 9(S4): S08-S14.

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