Motion response of a novel platform of vertical axis marine current turbine

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2 Citations (Scopus)

Abstract

Some marine current harnessing technology require a platform as the base of the marine current turbine. Several potential locations of marine current energy are in deep water and in a strait with limited width, so a floating platform is required for the system. The design of a floating platform should consider the motion caused by the environmental load such as wave, current, wind. The platform should provide a smooth motion response during the operation. This paper compares the motion response of several platform concepts and proposes a novel platform that accommodates several vertical axis turbines. The method of analysis used in this paper is by comparing the response amplitude operates (RAO). The compared platforms are semi-sub platform, catamaran platform PLAT-1. The proposed 44.93 tones platform will accommodate eight vertical axis turbines with total capacity 23kW and installed in 100-200 m water depth. The maximum ocean current is 2.4 m/s significant wave height 25 years return period is 2.4 m wind speed 4.5-6 m/s. The results show that the new platform has better translational motions such as surge, heave, sway, but has varied results on rotational motions such as roll, pitch, and yaw.

Original languageEnglish
Pages (from-to)710-717
Number of pages8
JournalInternational Review of Mechanical Engineering
Volume13
Issue number12
DOIs
Publication statusPublished - 2019
Externally publishedYes

Keywords

  • Floating Platform
  • Marine Current Energy
  • RAO

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