Novel hybrid system of pulsed HHO generator/TEG waste heat recovery for CO reduction of a gasoline engine |
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| Affiliation: | 1. Faculty of Mechanical and Mechatronics Engineering, Shahrood University of Technology, Shahrood, Iran;2. School of Science, Engineering and Environment, University of Salford, Manchester, M5 4WT, United Kingdom;1. School of Automobile and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China;2. Tsinghua University Suzhou Automotive Research Institute, Suzhou 215200, China;1. Department of Mechanical Engineering, GRT Institute of Engineering and Technology, Tiruttani, Tamilnadu, India;2. Department of Mechanical Engineering, University College of Engineering, Villupuram, Tamilnadu, India;3. Department of Automobile Engineering, Madras Institute of Technology campus, Anna University, Chennai, India;4. Department of Mechanical Engineering, Indian Institute of Technology Kanpur, Uttar Pradesh, India;1. Mechanical Engineering Department, Faculty of Engineering, Fayoum University, Egypt;2. Faculty of Engineering, Kafrelsheikh University, Kafrelsheikh 33516, Egypt;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 |
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| Abstract: | Environmental crisis requires using cleaner energy sources for different sectors including the transportation. Hydrogen can support the transition of the automotive industry from petrol and diesel into a sustainable fuel. It could be the main source of energy or the auxiliary fuel in vehicles. As an auxiliary fuel, it has recently been considered in hydroxyl (HHO) form for reducing the emissions from transportation fleet. In this study, an HHO generator with the optimum power consumption was utilised for HHO injection into the intake manifold of a petrol engine as the case study. High concentration of CO is expected to be produced during idling, so the experiments were designed to inject ultra-low HHO for reducing CO emissions. The results were very promising, and it was shown that the CO emission could be reduced by about 98%. Furthermore, a novel design was developed based on the concept of waste heat recovery (WHR) for powering the HHO unit. Engine was simulated in AVL software to design a thermo-electric generators (TEG) for running the HHO unit. Based on the results, TEG can provide the energy required for HHO unit as the energy output of the TEG was between 91 kJ and 169 kJ for the case study while the energy consumption of the proposed HHO generator was just about 22.5 kJ. The results of this study are recommending a practical solution for bringing HHO injection from laboratory research into the real practice. |
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| Keywords: | IC engine HHO (Brown gas) Hydrogen fuel Emission reduction Engine simulation Driving cycle |
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