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June 7, 2026PLoS ONEOpen Access

Numerical and experimental assessment of hydrogen enrichment effects on ci engine characteristics fuelled with dual biodiesel blends: A comprehensive study

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Authors

BNB. Vishnu Vardhana NaiduBMB. MusthafaMRM. Karthick Raja

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Overview

Randomized trial examines hydrogen enrichment effects on engine characteristics in biodiesel blends, suggesting improvements for energy efficiency.

Key Points

  • This research aims to enhance the hydrogen enrichment ratio in dual biodiesel blends of juliflora and kapok to improve CI engine performance.
  • Experimental assessment of dual biodiesel blends with varying hydrogen enrichment ratios.
  • Performance metrics include brake thermal efficiency (BTE), brake specific fuel consumption (BSFC), and emissions analysis.
  • Artificial neural network (ANN) model fitted to predict engine properties using experimental data.
  • 12% H2 in JK B20 increases BTE by 11.5%, decreases BSFC by 8.5%, and reduces CO and HC emissions by 10.9%.
  • Achievement of an attractiveness index of 0.995 at 100% load for B20 with 12% H2 enrichment.
  • A trade-off was observed with increased NOx emissions due to improved combustion.

Cite This Study

Naidu et al. (2026) studied this question.

synapsesocial.com/papers/6a250c687def13d035e1c90ahttps://doi.org/10.1371/journal.pone.0351152
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