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http://dx.doi.org/10.5762/KAIS.2010.11.9.3125

Identification of Thermal Flow Boundary Conditions for Three-way Catalytic Converter Using Optimization Techniques  

Baek, Seok-Heum (Department of Mechanical Engineering, Dong-A University)
Choi, Hyun-Jin (Graduate School of Industry & Science, Kangwon National University)
Kim, Kwang-Hong (APR 1400 NRC-DC Project Team, KEPCO Research Institute)
Cho, Seok-Swoo (Department of Vehicle Engineering, Kangwon National University)
Publication Information
Journal of the Korea Academia-Industrial cooperation Society / v.11, no.9, 2010 , pp. 3125-3134 More about this Journal
Abstract
Three-way catalyst durability in the Korea requires 5 years/80,000km in 1988 but require 10 years/120,000km after 2002. Domestic three-way catalyst satisfies exhaust gas conversion efficiency or pressure drop etc. but don't satisfy thermal durability. Three-way catalyst maintains high temperature in interior domain but maintain low temperature on outside surface. This study evaluated thermal durability of three-way catalyst by thermal flow and structure analysis and the procedure is as followings. Thermal flow parameters ranges were determined by vehicle test and basic thermal flow analysis. Response surface for rear catalyst temperature was constructed using the design of experiment (DOE) for thermal flow parameters. Thermal flow parameters for rear catalyst temperature in vehicles examination were predicted by desirability function. Temperature distribution of three-way catalyst was estimated by thermal flow analysis for predicted thermal flow parameters.
Keywords
Inverse Analysis; Design of Experiment; Desirability Function; Thermal-flow Boundary Condition; Three-way Catalytic Converter;
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Times Cited By KSCI : 4  (Citation Analysis)
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