Effect of wind turbine on tlp floating platform responses

Chodnekar, Yeshwant Prabhu and Mandal, Sukomal and Rao, Balakrishna K (2015) Effect of wind turbine on tlp floating platform responses. International Journal of Research in Engineering and Technology, 4 (5). pp. 211-217. ISSN 2319-1163 2321-7308

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Abstract

Ever increasing population of India demands high production of electrical energy which puts immense pressure on our limited stock of non-renewable sources of energy and makes us dependent over imports from foreign countries. The present study focuses on the innovative concept of renewable offshore wind energy wherein the hydrodynamic analysis of Tension Leg Platform (TLP) Floating Offshore Wind Turbine (FOWT) which supports 5MW wind turbine tower is carried out using ‘ANSYS Workbench 14.5’. The six degree responses of the structure are obtained in operational conditions considering rated wind velocity of 11.4m/s in an irregular wave environment. Two cases are mainly considered, the first-one with incident wave and wind combined action along 00 (case 1) and the second–one with incident wave and wind combined action along 450 (case 2). The effect of wind turbine on TLP responses is compared in between 10 different geometric models; 5 models (A’, B’, C’, D’, E’) considering only the TLP platform and 5 models (A, B, C, D, E) considering the same platforms along with wind turbine tower. It is observed that TLP FOWT has higher translational motions (surge, sway, and heave) as compared to rotational motions (roll, pitch, and yaw). The metacentric height improves drastically after adding weight to concrete ballast. Higher reserve buoyancy helps reduce surge, sway, roll and yaw. The direction of the incident wave and wind does not affect heave response and remains same when incident wave and wind acts at 00 or 450. Higher reserve buoyancy increases pitch response only when incident wave and wind is acting at 00 but the reverse effect is observed when incident wave and wind is acting at 450.

Item Type: Article
Uncontrolled Keywords: TLP, floating offshore wind turbine, hydrodynamic analysis.
Subjects: Engineering > MIT Manipal > Civil Engineering
Depositing User: MIT Library
Date Deposited: 19 Oct 2016 15:17
Last Modified: 19 Oct 2016 16:07
URI: http://eprints.manipal.edu/id/eprint/147258

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