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Numerical and experimental study of the effect of gas evolution in electrolytic pickling
KTH, Skolan för teknikvetenskap (SCI), Centra, FaxénLaboratoriet. KTH, Skolan för teknikvetenskap (SCI), Mekanik.
University of Pennsylvania, Dept. Mech. Eng. and Appl. Mechanics.
KTH, Skolan för teknikvetenskap (SCI), Centra, FaxénLaboratoriet. KTH, Skolan för teknikvetenskap (SCI), Mekanik.ORCID-id: 0000-0002-8318-1251
KTH, Skolan för teknikvetenskap (SCI), Mekanik, Processteknisk strömningsmekanik.
2006 (engelsk)Inngår i: Journal of Applied Electrochemistry, ISSN 0021-891X, E-ISSN 1572-8838, Vol. 36, nr 12, s. 1367-1379Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

As part of a progressive approach to model the electrolytic pickling process, this paper focuses on the important aspect of hydrogen and oxygen gas evolution on the electrodes and on the steel strip being pickled. The system considered consists of type 316 stainless steel pickled in aqueous sodium sulphate, with lead anodes and stainless steel cathodes. The mathematical model is two-dimensional steady-state, and includes the differential equations describing the effect of migration, giving the potential and current fields, and the Tafel kinetic rate expressions for hydrogen and oxygen gas generation. Experiments were conducted to obtain a better understanding of the process and for model validation. Good agreement between the experimental measurements of the global current efficiency and the model predictions was obtained.

sted, utgiver, år, opplag, sider
2006. Vol. 36, nr 12, s. 1367-1379
Emneord [en]
corrosion, electrolytic bubble generation, electrolytic pickling, stainless steel, 2-phase flow model, electrochemical-cell, hydrogen evolution, evolving electrodes, ohmic resistance, stainless-steels, bubbles, conductivity, convection, layer
HSV kategori
Identifikatorer
URN: urn:nbn:se:kth:diva-16215DOI: 10.1007/s10800-006-9201-4ISI: 000242938400009Scopus ID: 2-s2.0-33751071579OAI: oai:DiVA.org:kth-16215DiVA, id: diva2:334257
Merknad
QC 20100525Tilgjengelig fra: 2010-08-05 Laget: 2010-08-05 Sist oppdatert: 2017-12-12bibliografisk kontrollert
Inngår i avhandling
1. Mathematical modelling and experimental studies of the electrolytic pickling of stainless steel
Åpne denne publikasjonen i ny fane eller vindu >>Mathematical modelling and experimental studies of the electrolytic pickling of stainless steel
2005 (engelsk)Doktoravhandling, med artikler (Annet vitenskapelig)
sted, utgiver, år, opplag, sider
Stockholm: KTH, 2005. s. vi, 54
Serie
Trita-MEK, ISSN 0348-467X ; 2005:20
Emneord
electrolytic pickling, mass transfer, current distribution, electrolysis, two-phase flow
HSV kategori
Identifikatorer
urn:nbn:se:kth:diva-591 (URN)
Disputas
2006-01-27, Sal F3, Lindstedtsvägen 26, Stockholm, 13:15
Opponent
Veileder
Merknad
QC 20101027Tilgjengelig fra: 2006-01-16 Laget: 2006-01-16 Sist oppdatert: 2010-10-27bibliografisk kontrollert

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