Experimental Investigation and Regression Analysis on the Vibration and Noise Characteristics of an Unaltered Single-Cylinder Constant Speed CI Engine Using Various Biodiesels

  • Authors

    • Ramesh Gawande Research Scholar, Department of Mechanical Engineering, JSPM's Jayawantrao Sawant College of Engineering, SPPU, Pune, 411028, India and RMD Sinhgad School of Engineering, SPPU, Pune, 411058, India
    • Suhas Sarje Department of Mechanical Engineering, JSPM's Jayawantrao Sawant College of Engineering, Pune, 411028, India
    • Mahesh Gaikwad Department of Mechanical Engineering, JSPM's Jayawantrao Sawant College of Engineering, Pune, 411028, India
    • Mangesh Shende Department of Mechanical Engineering, JSPM's Imperial College of Engineering and Research, Pune, 412207, India
    • Sarang Joshi Department of Mechanical Engineering, JSPM's Imperial College of Engineering and Research, Pune, 412207, India
    • Nitin Kardekar Department of Mechanical Engineering, JSPM Narhe Technical Campus, Pune, 411041, India
    • Nikhil Patil Department of Mechanical Engineering, Sharad Institute of Technology, Yadrav-Ichalkaranji, 416121, India
    • Sonal Shamkuwar Department of Mechanical Engineering, Vishwakarma Institute of Technology, Pune, 411048, India
    https://doi.org/10.14419/pm0k5b62

    Received date: July 8, 2025

    Accepted date: August 1, 2025

    Published date: August 15, 2025

  • Sound Pressure Level, Vibration, Biodiesel, CI Engine, Regression Analysis

  • Abstract

    The noise and vibrations stemming from combustion in a Compression Ignition (CI) engine directly affect end users. As a renewable energy source, there is potential for it to substitute diesel in CI engines. The present study seeks to explore the sound pressure level (SPL) and vibration characteristics of constant-rpm unaltered CI engines fueled with Nahar, Jatropha and Karanja biodiesel blends. The SPL and vibrations were recorded using, the B&K Photon+ portable measuring system with RTPro software, FFT Analyzer at varying loads and fuelled with diesel D100 and biodiesel blends BDN10, BDN20, BDN30, BDN40, BDN50, BDJ10, BDJ20, BDJ30, BDJ40, BDJ50, BDK10, BDK20, BDK30, BDK40 and BDK50 respectively. Regression analysis models, both linear and non-linear, were established to forecast the association among fuel characteristics and noise-vibration of engine, demonstrating excellent agreement. The findings indicate that, in general, the engine noise and vibration reduced with an increase in biodiesel blends up to 30%. Also, it is observed that for reducing the vibration and SPL of an engine, among all the considered parameters, the engine load is a significant parameter as compared to other parameters such as blending percentage. Furthermore, among the three biodiesels, Nahar is a more impactful biodiesel for reducing the engine’s vibration and noise.

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  • How to Cite

    Gawande, R. ., Sarje, S., Gaikwad , M. ., Shende, M. . ., Joshi , S. ., Kardekar , N. ., Patil , N. ., & Shamkuwar , S. . (2025). Experimental Investigation and Regression Analysis on the Vibration and Noise Characteristics of an Unaltered Single-Cylinder Constant Speed CI Engine Using Various Biodiesels. International Journal of Basic and Applied Sciences, 14(SI-2), 217-224. https://doi.org/10.14419/pm0k5b62