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Impact of HHO gas enrichment and high purity biodiesel on the performance of a 315 cc diesel engine |
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| Authors: | Muhammad Bilal Khan Ali Hussain Kazim Muhammad Farooq Khalid Javed Aqsa Shabbir Rehan Zahid Sadaf Fatima Muhammad Rohail Danish Qasim Ali Ijaz Ahmad Chaudhry AE Atabani |
| Affiliation: | 1. Department of Mechanical Engineering, University of Engineering and Technology, Lahore, 54000, Punjab, Pakistan;2. Department of Mechanical Engineering, School of Mechanical and Manufacturing Engineering, National University of Sciences and Technology, Islamabad, 44000, Pakistan;3. Directorate of Public Instruction (Colleges), Government of Punjab, Lahore, 54000, Punjab, Pakistan;4. Department of Electrical Engineering, Lahore College for Women University, Lahore, 54000, Punjab, Pakistan;5. Institute of Business and Management, University of Engineering and Technology, Lahore, 54000, Punjab, Pakistan;6. Department of Mechanical Engineering, College of Engineering and Technology, University of Sargodha, Sargodha, 40100, Pakistan;7. Faculty of Engineering, University of Management and Technology, Lahore, 54000, Pakistan;8. Alternative Fuel Research Laboratory (AFRL), Energy Division, Department of Mechanical Engineering, Faculty of Engineering, Erciyes University, 38039, Kayseri, Turkey |
| Abstract: | Biodiesel and oxyhydrogen (HHO) gas have shown promising results in improving engine performance and emissions. In this work, the effects of HHO gas and 5% biodiesel blends (B5) and their combined use in a 315 cc diesel engine have been analyzed. Biodiesel is produced by base catalyzed transesterification and cleaned by emulsification. Its calculated cetane index (CCI) was 61.4. HHO gas is produced from electrolysis of concentrated potassium hydroxide solution. The use of 5% biodiesel blend resulted in a significant rise of 9.4% in the brake thermal efficiency (BTE) and a maximum reduction of 8.19% in the brake specific fuel consumption (BSFC). HHO enrichment of diesel and biodiesel at 2.81 L/min through the intake manifold improved the torque and power by an average of over 3%. HHO addition also improved the BTE of diesel by a maximum of 3.67%. The combination of high CCI biodiesel fuel and HHO creates a mixture that has shortened the ignition delay (ID) to the point that adverse effects were observed due to the premature combustion as shown by the average decrease in the BTE of 2.97% compared to B5. Thus, B5, on its own, is found to be the optimum fuel under these conditions. |
| Keywords: | Oxyhydrogen Biodiesel Compression ignition Alternative fuels Fuel additives |
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