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:: Volume 44, Issue 44 (10-2016) ::
Vol.44 No. 44 pp. 53-64 Back to browse issues page
Investigation of Three-Way Catalytic Converters of a 1.7L Turbocharged Bi-Fuel Engine Using CNG and Gasoline Fuels
Abbas Raei Tabar Mr , Asghar Hamidi Dr, Hossein Ghadamian Dr
Abstract:   (637 Views)

The paper reports the studies on how the three-way catalytic converters behave under full load condition of a 1.7L turbocharged engine with the mixed CNG and Gasoline fuels. The main focus of the work is the pollution reduction of the three-way catalyst. Results show that the amount of pollution is dependent on how much percent CNG is mixed in the exhaust. A numerical model was investigated with the Fire software to characterize the amount of the exhaust pollutants HC, Co and NOx. Achieving a minimum percentage of pollutant in front of the matrix surface of the catalytic converter is an important target in the development of an engine, due to thermodynamic, chemical and cost requirements. The flow distribution influences the catalyst’s conversion rate, as well as its resistance to ageing and the necessary precious metal loading. The main objective of this simulation is to help us understand how the catalyst works. The simulation interprets some of the phenomena observed in the experiments, also to shed lights on the mechanisms of catalytic actions. The simulation results the behavior of HC, CO and NOx at the output of catalyst.

Keywords: Catalyst, Turbocharged engine, CNG and Gasoline combination, Exhaust emission
Full-Text [PDF 1636 kb]   (122 Downloads)    
Type of Study: Research Study | Subject: Fuel and Combustion in Internal Combustion Engines
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Raei Tabar A, Hamidi A, Ghadamian H. Investigation of Three-Way Catalytic Converters of a 1.7L Turbocharged Bi-Fuel Engine Using CNG and Gasoline Fuels. JER. 2016; 44 (44) :53-64
URL: http://engineresearch.ir/article-1-483-en.html


Volume 44, Issue 44 (10-2016) Back to browse issues page
فصلنامه تحقیقات موتور The Journal of Engine Research
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