Horizontal rotating cylinder - A compact apparatus for studying the effect of water wetting on carbon dioxide corrosion of mild steel

Nesic, S. and Carroll, F. (2003) Horizontal rotating cylinder - A compact apparatus for studying the effect of water wetting on carbon dioxide corrosion of mild steel. Corrosion, 59 12: 1085-1095.

Author Nesic, S.
Carroll, F.
Title Horizontal rotating cylinder - A compact apparatus for studying the effect of water wetting on carbon dioxide corrosion of mild steel
Journal name Corrosion   Check publisher's open access policy
ISSN 0010-9312
Publication date 2003-12-01
Sub-type Article (original research)
Volume 59
Issue 12
Start page 1085
End page 1095
Total pages 11
Place of publication Houston, Texas, U.S.A.
Publisher National Association of Corrosion Engineers
Collection year 2003
Language eng
Subject C1
291802 Heat and Mass Transfer Operations
780102 Physical sciences
Abstract Water wetting is a crucial issue in carbon dioxide (CO.) corrosion of multiphase flow pipelines made from mild steel. This study demonstrates the use of a novel benchtop apparatus, a horizontal rotating cylinder, to study the effect of water wetting on CO2 corrosion of mild steel in two-phase flow. The setup is similar to a standard rotating cylinder except for its horizontal orientation and the presence of two phases-typically water and oil. The apparatus has been tested by using mass-transfer measurements and CO2 corrosion measurements in single-phase water flow. CO2 corrosion measurements were subsequently performed using a water/hexane mixture with water cuts varying between 5% and 50%. While the metal surface was primarily hydrophilic under stagnant. conditions, a variety of dynamic water wetting situations was encountered as the water cut and fluid velocity were altered. Threshold velocities were identified at various water cuts when the surface became oil-wet and corrosion stopped.
Keyword Materials Science, Multidisciplinary
Metallurgy & Metallurgical Engineering
Carbon Dioxide Corrosion
Flow
Mild Steel
Pipelines
Water Wetting
Entrainment
Oil
Model
Air
Q-Index Code C1

Document type: Journal Article
Sub-type: Article (original research)
Collections: School of Mechanical & Mining Engineering Publications
2004 Higher Education Research Data Collection
 
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Created: Wed, 15 Aug 2007, 05:24:52 EST