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  • About
  • The Global ETD Search service is a free service for researchers to find electronic theses and dissertations. This service is provided by the Networked Digital Library of Theses and Dissertations.
    Our metadata is collected from universities around the world. If you manage a university/consortium/country archive and want to be added, details can be found on the NDLTD website.
41

Corrosion assessment and cathodic protection design parameters for steel structures in deep and ultra deep offshore waters

Olowe, Adedayo Christianah January 2013 (has links)
Carbon steel finds much application for use in industries including civil; manufacturing; oil and gas; as well as, renewable energy. Common examples for usage of steel include water pipelines; oil pipelines; bridges; etc. The main advantages of steel over other engineering materials are its strength and affordability. However, steel undergoes corrosion which is a degradation mechanism that occurs as a result of the electrochemical interaction between steel and its environment. There are two main options to control corrosion, aside from material selection techniques, namely, the use of protective coating systems to isolate the steel from the environment; or the use of cathodic protection. Cathodic protection involves the use of galvanic anodes or impressed current system to prevent steel corrosion. Currently the oil and gas industry accounts for the major share of consumption of galvanic anodes for the protection of steel in engineering applications. Recent incursions into deep water depths by the Oil and Gas industry in the last decade or so has brought to the fore the need to understand better the performance of steel at deep and ultra deep water depths; as well as to develop an understanding of how cathodic protection works at these water depths. So far, the bulk of industry experience lies in shallow waters and current international cathodic protection design guidelines are based on data collated at these shallow water depths. It is the objective of this research work to assess the corrosion properties of steel with deep seawater parameters and determine design current density requirements for effective cathodic protection of steel at deep and ultra deep water depths offshore.
42

Numerical methods in wave loading of large offshore structures

周奮鵬, Chau, Fun-pang. January 1985 (has links)
published_or_final_version / Mechanical Engineering / Master / Master of Philosophy
43

Response statistics of a floating vessel in spreading seas

Zhang, Yahui January 2010 (has links)
No description available.
44

Marine fouling processes upon stainless steel and elastomeric surfaces

Barrett, S. J. January 1989 (has links)
No description available.
45

A unified treatment of semisubmersible stability

Konstantopoulos, G. P. January 1988 (has links)
No description available.
46

The behaviour of axially loaded piles in clay

Lambson, M. D. January 1987 (has links)
No description available.
47

The experimental behaviour of double skinned composite and reinforced concrete shells subjected to external hydrostatic pressure

Nash, T. January 1987 (has links)
No description available.
48

Dynamic behaviour of flexible marine risers

Qin, Jianjun January 1987 (has links)
No description available.
49

A PIV study of the 3-D flow behind a circular cylinder

Dong, Shouping January 1990 (has links)
No description available.
50

Dynamic behaviour of guyed tower platforms

Shi, Yongjiu January 1989 (has links)
No description available.

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