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An Experimental Study on Motions of two Pin-jointed Multi-floating Bodies
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 Title & Authors
An Experimental Study on Motions of two Pin-jointed Multi-floating Bodies
Lee, Seung-Chul; Bae, Sung-Yong; Goo, Ja-Sam;
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 Abstract
The structure of the variable liquid column oscillator(VLCO) is analogous to that of the tuned liquid column damper used to suppress oscillatory motion in large structures like tall buildings and cargo ships. VLCO is using the technology which absorbs high potential energy made by process of accelerated motions effect of air spring by installation of inner air chamber. So, the application of VLCO can improve the efficiency of energy than that of wave energy converters made in Pelamis Company. In this research, experiments were performed for the models which have two different liquid column sizes. In order to find out the biggest motion response, two major conditions are taken into account. Two conditions are to open(or close) the valves and to differentiate the height of the liquid column.
 Keywords
Variable liquid column oscillator;Pin-jointed multi-floating bodies;Motion response;Wave energy conversion;
 Language
Korean
 Cited by
 References
1.
Pelamis Wave Power, Pelamis Brochure, 2009, http://www.pelamiswave.com.

2.
R. P. M. Parker, G. P. Harrison and J. P. Chick, 2007, "Energy and Carbon Audit of an Offshore Wave Energy Converter", Proc. IMechE, Vol. 221, part A:J. Power and Energy, pp. 1119-1130. crossref(new window)

3.
D. S. Yang and B. H. Cho, 2009, "Studies on Variable Liquid-Column Oscillator for High Efficiency Floating Wave Energy Conversio System", Journal of Ocean Engineering and Technology, Vol. 23, No. 5, pp. 15-24.

4.
S. C. Lee and J. S. Goo, 2013, "An experiemental study on motions of a VLCO for wave power generation(1. Simple floating body)", Journal of the Korean Society for Power System Engineering, Vol. 17, No. 2, pp. 103-107.

5.
S. C. Lee and J. S. Goo, 2014, "Motion analysis of a VLCO for wave power generation", Journal of the Korean Society for Power System Engineering, Vol. 18, No. 3, pp. 36-41.

6.
S. C. Lee and S. Y. Bae, 2014, "A study on Motion Characteristics of a VLCO by Draft (Simple floating body)", Journal of the Korean Society for Power System Engineering, Vol. 18, No. 5, pp. 16-21. crossref(new window)

7.
S. C. Lee and J. S. Goo, 2013, "Experimental study on motions of VLCO for wave power generation(2. Multiple floating bodies)", Journal of Ocean Engineering and Technology, Vol. 27, No. 6, pp. 27-31.