A novel application of pulse width modulation technique on hydroxy gas production |
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| Affiliation: | 1. Faculty of Engineering & Applied Science, University of Ontario Institute of Technology, Oshawa, Canada;2. International Safety Research, Ottawa, Canada;1. Iskenderun Technical University, Faculty of Mechanical Engineering, Dept. of Petroleum and Natural Gas Eng, Iskenderun Campus, Hatay, 31200, Turkey;2. Çukurova University, Faculty of Engineering and Architecture, Dept. of Automotive Eng. Sariçam, Adana, 01330, Turkey;3. Çukurova University, Faculty of Engineering and Architecture, Dept. of Mechanical Eng. Sariçam, Adana, 01330, Turkey;1. Department of Mechanical Engineering, Faculty of Engineering, University of Malaya, 50603 Kuala Lumpur, Malaysia;2. Department of Mechanical Engineering, Rajshahi University of Engineering & Technology (RUET), Rajshahi 6204, Bangladesh;3. School of Mechanical and Manufacturing Engineering, University of New South Wales, Kensington, 2033 NSW, Australia |
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| Abstract: | Software and hardware advancements on a hydroxy gas (HHO) production system is presented in this experimental study. A unique control system that enables to generate hydroxy gas at the specified volumetric flow rates with pulse width modulation (PWM) technique is developed and manufactured. The novelty of the method is automatic control of the hydroxy production according to the instantaneous demand, in other words, the adaptation of the HHO system to the operating principles of internal combustion engines (ICEs). A stepping motor represented the vehicle engine in order to get variable rotational speed values. The instantaneous rotation speed range of the motor divided into four sections as no rotation, low (1000–2001 rpm), middle (2001–4001 rpm) and high (>4001 rpm). A computer-driven microcontroller (MCU) card managed the entire system. The MCU card received motor speed input parameters and identified the PWM signal. Results of the study which are the electrical current, hydroxy gas flow and dry cell temperature ranges are presented in tables and graphs. The measured experimental data were 0–15 A, 0–1.56 L per minute and 24–48 °C for electrical current, hydroxy gas production and dry cell temperature ranges, respectively. |
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| Keywords: | Automated hydrogen production HHO dry cell control unit PWM Dry cell temperature |
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