دوره 15، شماره 1 - ( 12-1403 )
جلد 15 شماره 1 صفحات 4653-4646 |
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Goharian A, Asadolahei A. Investigating the effects of the ozone gas injection process on the reduction of exhaust gas emissions. ASE 2025; 15 (1) :4646-4653
URL: http://www.iust.ac.ir/ijae/article-1-686-fa.html
URL: http://www.iust.ac.ir/ijae/article-1-686-fa.html
Investigating the effects of the ozone gas injection process on the reduction of exhaust gas emissions. Automotive Science and Engineering. 1403; 15 (1) :4646-4653
چکیده: (335 مشاهده)
This study investigates the effects of ozone gas injection on reducing exhaust emissions in internal combustion engines (ICEs). Ozone (O₃), a highly reactive oxidizing agent, has been widely utilized for air and water purification. Its ability to break down pollutants makes it a promising alternative or supplement to conventional catalytic converters, which require expensive materials and periodic recycling. In this research, ozone gas was generated using the corona discharge method and injected into the combustion system to evaluate its impact on carbon monoxide (CO) emissions. A low-power 12-volt compressor, capable of producing up to 10 bar pressure, was used to ensure proper injection. A five-gas analyzer was employed to measure emission changes before and after ozone injection. Results indicated an average CO reduction of 34–40% across seven tested vehicles, with the highest effectiveness observed at steady-state engine operation and moderate loads. Furthermore, an increase in lambda (λ) values suggested improved air-fuel combustion efficiency. Statistical analysis, including standard deviation (±0.005) and a 95% confidence interval, confirmed the reliability of these findings. The results demonstrate that ozone injection can serve as a cost-effective method to supplement traditional emission control technologies, potentially reducing reliance on catalytic converters.
نوع مطالعه: پژوهشي |
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