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디젤엔진의 NOx 저감을 위한 SCR-DeNOx 후처리 시스템 성능 예측
Performance Prediction of SCR-DeNOx System for Reduction of Diesel Engine NOx Emission

김만영   (현대자동차 승용디젤엔지시험팀CC0002909  );
  • 초록

    A numerical simulation of selective catalytic reduction (SCR) for NO with $NH_3$ is conducted over the $V_2O_5/TiO_2$ and $WO_3-V_2O_5/TiO_2$ catalysts. The governing $NH_3$ and NO transport equations are considered by using the time-dependent FCT (Flux-Corrected Transport) algorithm. After a validating simulation for $NH_3$ step feed and shut-off experiments is analyzed, transient behavior of $NH_3$ and NO concentration in a SCR catalyst is investigated by changing such parameters as inflow $NH_3$ concentration, temperature of the catalyst, and $NH_3$ /NOx ratios.


  • 주제어

    선택적 촉매환원 .   요소 .   암모니아 .   디젤 배출 질소산화물 .   시물레이션 .   FCT 알고리즘.  

  • 참고문헌 (13)

    1. Integration of Exhaust Gas Recirculation, Selective Catalytic Reduction, Diesel Particulate Filters, and Fuel-Borne Catalyst for NOx/PM Reduction , M. Khair;J. Lemaire;S. Fischer , SAE 2000-01-1933 / v.,pp.,
    2. Numerical Simulations of the Flow Field in a Cylindrical Combustor with Backward-Facing Step , M. Y. Kim;S. W. Baek , Trans. KSAS / v.22,pp.15-24,
    3. Recent Advances in the Development of Urea-SCR for Automotive Applications , M. Koebel;M. Elsener;G. Madia , SAE 2001-01-3625 / v.,pp.,
    4. Improved SCR System for Heavy Duty Applications , J. Gieshoff;A. Schafer-Sindlingger;P. C. Spurk;J. A. A. van der Tillaart;G. Garr , SAE 2000-01-0189 / v.,pp.,
    5. R. M. Heck;R. J. Farrauto , Catalytic Air Pollution Control Commercial Technology / v.,pp.166-170,
    6. An Integrated SCR and Continuously Re-gene-rating Trap System to Meet Future NOx and PM Legislation , G. R. Chandler;B. J. Cooper;J. P. Harris;J. E. Thoss;A. Unsimaki;A. P. Walker;J. P. Warren , SAE 2000-01-0188 / v.,pp.,
    7. On-Road Demonstration of NOx Emission Control for Diesel Trucks with SiNOx Urea SCR System , N. Fritz;W. Mathes;J. Zuerbig;R. Mueller , SAE 1999-01-0111 / v.,pp.,
    8. Development of Urea-SCR System for Light-Duty Diesel Passenger Car , S.-M. Choi;Y.-K. Yoon;S.-J. Kim;G.-K. Yeo;H.-S. Han , SAE 2001-01-0519 / v.,pp.,
    9. Dynamic of the SCR-DeNOx Reaction by the Transient-Response Method , L. Lietti;I. Nova;S. Camurri;E. Tronconi;P. Forzatti , AIChE Journal / v.43,pp.2559-2570,
    10. E. S. Oran;J. P. Boris , Numerical Simulation of Reactive Flow / v.,pp.,
    11. L. Dodge , Private Communications / v.,pp.,
    12. Transient Performance of Urea Catalyst System for Low Emission HD Diesel Engines , C. Havenith , SAE 970185 / v.,pp.,
    13. The Development of Urea-SCR Technology for US Heavy Duty Trucks , W. R. Miiler;J. T. Klein;R. Mueller;W. Doelling;J. Zuerbig , SAE 2000-01-0190 / v.,pp.,
  • 이 논문을 인용한 문헌 (4)

    1. Yun, Byoung-Kyu ; Kim, Chong-Min ; Kim, Man-Young ; Cho, Gyu-Baek ; Kim, Hong-Suk ; Jeong, Young-Il 2010. "Numerical Modeling of Vanadia-based Commercial Urea-SCR plus DOC Systems for Heavy-duty Diesel Exhaust Aftertreatment Systems" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 18(2): 24~30     
    2. Lee, Seung Yeop ; Kim, Nam Il ; Park, Yun Beom ; Kim, Man Young 2013. "Numerical Investigation of Urea Freezing and Melting Characteristics Using Coolant Heater" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 37(8): 717~724     
    3. An, Tae Hyun ; Lee, Seung Yeop ; Park, Yun Beom ; Kim, Man Young 2013. "A Numerical Study on the Flow Characteristics in the Catalytic Muffler with Different Inlet and Outlet Configurations" 한국자동차공학회논문집 = Transactions of the Korean Society of Automotive Engineers, 21(5): 59~66     
    4. An, Tae Hyun ; Kim, Man Young 2014. "Numerical Investigation of the Spray Behavior and Flow Characteristics of Urea-Water Solution Injected into Diesel Exhaust Pipe" 大韓機械學會論文集. Transactions of the Korean Society of Mechanical Engineers. B. B, 38(1): 41~48     

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