Investigations on diesel engine characteristics using waste biomass Pyrolysis oil: A study on the effect of compression ratio

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Joseph John MarshalS
Sakthivel Rajamohan
Kondru Gnanasundari
Gomathi Kumar
Mary Goldena Sharon

Abstract

This work is focussed at studying the compression ratio (CR) effect on the operating characteristics of a diesel engine fuelled with  diesel (80%) and pyrolytic oil (20%) blend, derived from Bael de oiled cake at standard conditions. Engine was operated at three CR’s namely 18:1 (higher), 17.5:1 (standard) and 16:1 (lower). For the blended fuel operation at full load, the brake thermal efficiency (BTE) improved by 5% and brake specific energy consumption (BSEC) diminished by 3% as the CR increased from 17.5 to 18. At high CR, the carbon monoxide (CO) and unburnt hydrocarbon (HC) were lowered by 58.3% and 38.5% respectively for blended fuel when compared to diesel at peak load. The nitrogen oxides emission (NOx) increased by 25.7% for blended fuel at peak load and CR of 18:1. On the whole the experimental results suggest that optimum performance of the engine can be attained at CR 18:1.

 

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How to Cite
MarshalS, J., Rajamohan, S., Gnanasundari, K., Kumar, G., & Sharon, M. G. (2022). Investigations on diesel engine characteristics using waste biomass Pyrolysis oil: A study on the effect of compression ratio. Journal of Applied Research and Technology, 20(3), 320-330. https://doi.org/10.22201/icat.24486736e.2022.20.3.1723