Experimental research and CFD analysis of flow parameters in a SCR system for the original part and WALKER’s replacement

• Autorzy: Kurzydym Damian , Klimanek Adam , Żmudka Zbigniew

Identyfikatory

DOI

10.19206/CE-2019-402

• Języki publikacji: EN

Abstrakty

EN

The article presents the results of experimental research and their comparison with CFD simulations for the original selective catalytic reduction system and WALKER replacement. The research was performed to develop the WALKER universal mixer. The SCR prototype without mixer and with the proposed mixer were tested and compared with the original VW part. The next step was reverse engineering, which consisted in scanning the tested parts with a laser and processing their point cloud in Leios2 program. Reverse engineering has allowed the reconstruction of 3D geometry of the tested parts in the Catia v5 program and then preparation their models for computational fluid dynamics. Numerical simulations were carried out in the Ansys Fluent program, thanks to which several quantities were determined e.g. uniformity index of gas flow through the monolith and coefficient of variation as a measure of mixing degree, which have a significant impact on the design of the mixer and the SCR system.

Słowa kluczowe

EN

selective catalytic reduction; computational fluid dynamics; static mixer; uniformity index; coefficient of variation

PL

selektywna redukcja katalityczna; obliczeniowa dynamika płynów; mieszalnik statyczny; wskaźnik nierównomierności; współczynnik wariancji

• Wydawca: Polskie Towarzystwo Naukowe Silników Spalinowych
• Czasopismo: Combustion Engines
• Rocznik: 2019
• Tom: R. 58, nr 4
• Strony: 13--20
• Opis fizyczny: Bibliogr. 15 poz., il. kolor., fot., rys., wykr.

Twórcy

autor

Kurzydym Damian

• Faculty of Power and Environmental Engineering, Silesian University of Technology and Senior Engineer at Tenneco Automotive Polska Sp. z o.o., Rybnik

autor

Klimanek Adam

• Faculty of Power and Environmental Engineering, Silesian University of Technology, Gliwice, Poland

autor

Żmudka Zbigniew

• Faculty of Power and Environmental Engineering, Silesian University of Technology, Gliwice, Poland

Bibliografia

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• [12] SHAHARIAR, G.H., LIM, O.T. A study on urea-water solution spray-wall impingement process and solid deposit formation in urea-SCR de-NOx system. Energies. 2019, 12(1). DOI: 10.3390/en12010125
• [13] TAN, L., FENG, P., YANG,S. et al. CFD studies on effects of SCR mixers on the performance of urea conversion and mixing of the reducing agent. Chem. Eng. & Process: Process Intensification. 2018, 123, 82-88. DOI: 10.1016/j.cep.2017.11.003
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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2020).