Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6American Society of Mechanical Engineers, 1989 - Arctic regions |
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Page 330
Approximately 1200h after commencement of TEST 1 , when all the hydrogen permeation rates Ip became inappreciable , gas flow rate was changed to 3.9m / s ( 13ft / s ) to observe any possible change in Int . Approximately 400h after ...
Approximately 1200h after commencement of TEST 1 , when all the hydrogen permeation rates Ip became inappreciable , gas flow rate was changed to 3.9m / s ( 13ft / s ) to observe any possible change in Int . Approximately 400h after ...
Page 331
The observed delay in the build - up is considered to be caused by time required for migration of H2S molecules or HS ions through aqueous phase to sites of corrosion reaction of the hydrogen evolution type : Fe + H2S = FeS + 2H .
The observed delay in the build - up is considered to be caused by time required for migration of H2S molecules or HS ions through aqueous phase to sites of corrosion reaction of the hydrogen evolution type : Fe + H2S = FeS + 2H .
Page 333
( 3 ) Hydrogen Entry and Hydrogen Pressure - Induced Cracking a Hydrogen Pressure - Induced Crack Formation and Extension ( 8 ) As shown in Figure 3.4 , under the environment which produces a high Ipmar TV2 tends to be short .
( 3 ) Hydrogen Entry and Hydrogen Pressure - Induced Cracking a Hydrogen Pressure - Induced Crack Formation and Extension ( 8 ) As shown in Figure 3.4 , under the environment which produces a high Ipmar TV2 tends to be short .
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Contents
PIPELINE DESIGN AND OPERATIONS | 1 |
PIPELINE INDUSTRY OUTLOOK 89 | 69 |
PIPELINE FORCES DYNAMICS AND STABILITY I | 95 |
Copyright | |
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analysis applied assumed bending bottom buckling bundle calculated caused coefficient Conference considered construction cost crack dependent depth determined developed diameter direction displacement effect Engineering equation experiments factor failure field Figure flow force function geometry given heat horizontal hydrogen included increase indicated initial installation internal length lift force limit load lower material maximum measured Mechanics metal method monitoring movement natural obtained occur Offshore operation parameters pass pipe pipeline position possible predicted present pressure problem procedure production ratio reduced REFERENCES reliability repair Research resistance response scour seabed separator shown shows simulation soil solution span steel strength stress structural surface Table temperature term tion tool velocity vertical vibration wave weight welding zone
Bibliographic information
| Title | Proceedings of the ... International Conference on Offshore Mechanics and Arctic Engineering, Volumes 5-6 |
| Contributor | American Society of Mechanical Engineers. Offshore Mechanics and Arctic Engineering Division |
| Publisher | American Society of Mechanical Engineers, 1989 |
| Export Citation | BiBTeX EndNote RefMan |