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Comprehensive Analysis of Compression Ratio, Exhaust Gas Recirculation, and Pilot Fuel Injection in a Diesel Engine Fuelled with Tamarind Biodiesel

Author

Listed:
  • Vallapudi Dhana Raju

    (Department of Mechanical Engineering, Lakireddy Bali Reddy College of Engineering, Mylavaram 521230, Andhra Pradesh, India)

  • Ibham Veza

    (Department of Mechanical Engineering, Universiti Teknologi, PETRONAS, Bandar Seri Iskandar 32610, Perak Darul Ridzuan, Malaysia)

  • Harish Venu

    (Institute of Sustainable Energy (ISE), Universiti Tenaga Nasional (UNITEN), Putrajaya Campus, Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia)

  • Manzoore Elahi M. Soudagar

    (Institute of Sustainable Energy (ISE), Universiti Tenaga Nasional (UNITEN), Putrajaya Campus, Jalan IKRAM-UNITEN, Kajang 43000, Selangor, Malaysia
    Department of Mechanical Engineering, Graphic Era (Deemed to Be University), Dehradun 248002, Uttarakhand, India)

  • M. A. Kalam

    (School of Civil and Environmental Engineering, FEIT, University of Technology Sydney, Ultimo, NSW 2007, Australia)

  • Tansir Ahamad

    (Department of Chemistry, College of Science, King Saud University, Riyadh 11421, Saudi Arabia)

  • Prabhu Appavu

    (Operation & Efficiency Division, North Chennai Thermal Power Station, Chennai 600120, Tamil Nadu, India)

  • Jayashri N. Nair

    (Department of Mechanical Engineering, VNR Vignana Jyothi Institute of Engineering and Technology, Hyderabad 500090, Telangana, India)

  • S. M. Ashrafur Rahman

    (Biofuel Engine Research Facility, Queensland University of Technology, Brisbane, QLD 4000, Australia)

Abstract

The global automotive industry is facing significant challenges, including dwindling fossil fuel reserves, rising crude oil prices, and increasingly strict emission regulations. To address these concerns, this study investigates the impact of the compression ratio (CR) and exhaust gas recirculation (EGR) on the performance and emissions of a common rail direct injection (CRDI) diesel engine fuelled with a 20% blend of tamarind seed methyl ester (TSME 20) biodiesel. The study employed an open-type electronic control unit to implement pilot fuel injection at a rate of 30%, 23° before the top dead centre (TDC), and at a higher pressure of 600 bar. Three CRs (16:1, 18:1, 20:1) and two types of EGR (hot and cold EGR at 10%) were evaluated. Diesel fuel at CR 18 was used as a baseline for comparison. The experimental procedure involved conducting tests with TSME 20 at CR 16, 18, and 20. Subsequently, TSME 20 at CR 20 + Hot EGR 10% and TSME 20 at CR 20 + Cold EGR 10% were examined. The results showed that TSME 20 operated at a higher CR (CR 20) exhibited improved diesel engine performance and significant reductions in harmful exhaust emissions. Additionally, cold EGR at 10% was more effective in reducing CO, CO 2 , and NOx emissions from TSME 20 than hot EGR. The findings of this study provide valuable insights into optimizing diesel engine operation to achieve a balance between performance enhancement and emission reduction through tamarind seed biodiesel blends and different EGR techniques. The implementation of these strategies holds considerable potential in addressing the automotive industry’s challenges, including ecological considerations and fuel price fluctuations.

Suggested Citation

  • Vallapudi Dhana Raju & Ibham Veza & Harish Venu & Manzoore Elahi M. Soudagar & M. A. Kalam & Tansir Ahamad & Prabhu Appavu & Jayashri N. Nair & S. M. Ashrafur Rahman, 2023. "Comprehensive Analysis of Compression Ratio, Exhaust Gas Recirculation, and Pilot Fuel Injection in a Diesel Engine Fuelled with Tamarind Biodiesel," Sustainability, MDPI, vol. 15(21), pages 1-21, October.
    • Handle: RePEc:gam:jsusta:v:15:y:2023:i:21:p:15222-:d:1266313
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    References listed on IDEAS

    as
    1. Rosha, Pali & Mohapatra, Saroj Kumar & Mahla, Sunil Kumar & Cho, HaengMuk & Chauhan, Bhupendra Singh & Dhir, Amit, 2019. "Effect of compression ratio on combustion, performance, and emission characteristics of compression ignition engine fueled with palm (B20) biodiesel blend," Energy, Elsevier, vol. 178(C), pages 676-684.
    2. Jaliliantabar, Farzad & Ghobadian, Barat & Carlucci, Antonio Paolo & Najafi, Gholamhassan & Mamat, Rizalman & Ficarella, Antonio & Strafella, Luciano & Santino, Angelo & De Domenico, Stefania, 2020. "A comprehensive study on the effect of pilot injection, EGR rate, IMEP and biodiesel characteristics on a CRDI diesel engine," Energy, Elsevier, vol. 194(C).
    3. N, Santhosh & Afzal, Asif & V, Srikanth H. & Ağbulut, Ümit & Alahmadi, Ahmad Aziz & Gowda, Ashwin C. & Alwetaishi, Mamdooh & Shaik, Saboor & Hoang, Anh Tuan, 2023. "Poultry fat biodiesel as a fuel substitute in diesel-ethanol blends for DI-CI engine: Experimental, modeling and optimization," Energy, Elsevier, vol. 270(C).
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