Numerical study on the design of urea decomposition chamber in LP SCR system

Numerical study on the design of urea decomposition chamber in LP SCR system

In order to design efficient Urea Decomposition Chamber (UDC) for the Low Pressure (LP) Selective Catalytic Reduction (SCR) system, numerical simulations were conducted with respect to various design parameters. The design parameters examined in this simulation include the chamber diameter, inlet an...

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Veröffentlicht in:International journal of naval architecture and ocean engineering 2019, Vol.11 (1), p.307-313
Hauptverfasser: Um, Hyung Sik, Kim, Daehee, Kim, Keon Ho
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Kim, Daehee
Kim, Keon Ho
description In order to design efficient Urea Decomposition Chamber (UDC) for the Low Pressure (LP) Selective Catalytic Reduction (SCR) system, numerical simulations were conducted with respect to various design parameters. The design parameters examined in this simulation include the chamber diameter, inlet and outlet shape of chamber, and urea injection point. Reaction kinetics for the urea decomposition was proposed and validated with the experimental data in the range of $300{\sim}450^{\circ}C$. The effects of design parameters on the performance of UDC were evaluated by the calculated urea conversion and pressure drop. As a result, the local optimum design values were derived by the parametric study.
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title Numerical study on the design of urea decomposition chamber in LP SCR system
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