Conference Proceedings Paper
EVALUATION OF THE EFFECT OF CONSTRUCTION MATERIAL ON THE ACCUMULATION OF HYDROGEN IN CNER’S HYDROGEN CORROSION PROBES (HCPS)
41th Annual CNS-CNA Student Conference - 2017 June 05
P. Santiwiparat (UNB)
D.H. Lister (UNB)
F.R. Steward (UNB)
W.G. Cook (UNB)
A carbon steel device shaped like a cylindrical cup attached to a pipe containing hydrogen gas was tested and modeled to investigate the effect of cup material on the hydrogen accumulation inside the cup, and to observe the hydrogen diffusion path around the cup. The results reveal that hydrogen accumulation inside a carbon steel cup raises the possibility of a self-moderating pressure design. The experimental plateau pressure is approximately 70 kPa, and the attainment of steady state is approximately 700 hours. Moreover, simulation results indicated the hydrogen diffusion path and hydrogen fluxes around the cup. The plateau pressure inside the cup concurs with the experimental result.
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