Conference Proceedings Paper
Flow Accelerated Corrosion and Mass Transfer Rate in Orifice Downstream Flow
NURETH-14 - 2011 September 25-30
Retsu Kojo (Nagoya University)
Yuji Kuroda (Nagoya University)
Masaya Kondo (Nagoya University)
Yoshiyuki Tsuji (Nagoya University)
Flow Accelerated Corrosion (FAC) is one of the issues to be noticed considerably in plant piping management. For the integrity and safety of the plant, the wall-thinning and thinning rate due to FAC should be clearly predicted in pipe wall inspection. In this paper, we study FAC from the view point of flow dynamics. The mass transfer coefficient is measured by the electrochemical method behind the orifice. Changing the orifice size, the peak location of mass transfer coefficient and its maximum value is evaluated by the flow condition and orifice parameter.
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