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Effect of Hydrodynamic Coefficients on Triangular Tension Leg Platform (TLP) Responses

Zainudin, Mohd. Fahmey (2010) Effect of Hydrodynamic Coefficients on Triangular Tension Leg Platform (TLP) Responses. Universiti Teknologi PETRONAS. (Unpublished)

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Abstract

Triangular configuration tension leg platforms (TLPs) are still new in the offshore industry for deep water oil and gas exploration. With its excellent station keeping characteristics for deepwater, this type ofplatform can be a major consideration for the industry around the world. Instead of square configuration, triangular is used instead because it is more cost effective in term of saving in steel. This study focuses on the effect of the hydrodynamic coefficients which are drag coefficient (CD) and inertia coefficient (CM) oftriangular tension leg platform responses. The responses that need to be evaluated will be surge and heave responses under the impact wave loads. The Morison's equation will be used to find the forces on each member which is the three hulls and three pontoons. Asingle-parameter energy spectrum that based on significant wave height or wind speed will be evaluated. By calculating the design parameters of the triangular TLP, Response-Amplitude Operator (RAO) can be obtained and with it the surge and heave responses can be solve analytically. From this analysis, it is indicated that the responses subjected tothe three different coefficients give small effect ofresponses considering three types of members ofthe triangular tension leg platform which is clean, semi-fouled, and fouled. These prove that the triangular tension leg platform canbe designed at anycondition of the members.

Item Type: Final Year Project
Academic Subject : Academic Department - Civil Engineering - Water and environment - Environmental - Wastewater
Subject: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Engineering > Civil
Depositing User: Users 2053 not found.
Date Deposited: 22 Oct 2013 14:31
Last Modified: 22 Oct 2013 14:31
URI: http://utpedia.utp.edu.my/id/eprint/9453

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