Laboratory experiment on using non-floating body to generate electrical energy from water waves

详细信息    查看全文

• 作者：Arunachalam Amarkarthik (1)
  Srinivasan Chandrasekaran (2)
  Karuppan Sivakumar (1)
  Harender Sinhmar (2)
  
• 关键词：ocean wave energy ; point absorbers ; heaving body ; non ; floating object ; heave response ratio ; electrical energy generation
• 刊名：Frontiers in Energy
• 出版年：2012
• 出版时间：December 2012
• 年：2012
• 卷：6
• 期：4
• 页码：361-365
• 全文大小：128KB
• 参考文献：1. De O Falc茫o A F. Wave energy utilization: A review of the technologies. Renewable & Sustainable Energy Reviews, 2009, 14(3): 899鈥?18 CrossRef
  2. Falnes J. A review of wave-energy extraction. Marine Structures, 2007, 20(4): 185鈥?01 CrossRef
  3. Eriksson M, Waters R, Svensson O, Isberg J, Leijon M. Wave power absorption: Experiments in open sea and simulation. Journal of Applied Physics, 2007, 102(8): 1鈥? CrossRef
  4. Elwood D, Yim S C, Prudell J, Stillinger C, von Jouanne A, Brekken T, Brown A, Paasch R. Design, construction, and ocean testing of a taut-moored dual-body wave energy converter with a linear generator power take-off. Renewable Energy, 2010, 35(2): 348鈥?54 CrossRef
  5. Agamloh E B, Wallace A K, von Jouanne A. A novel direct-drive ocean wave energy extraction concept with contact-less force transmission system. Renewable Energy, 2008, 33(3): 520鈥?29 CrossRef
  6. Polinder H, Damen M E C, Gardner F. Linear PM generator system for wave energy conversion in the AWS. Energy, 2004, 19(3): 583鈥?89
  7. Vantorre M, Banasiak R, Verhoeven R. Modelling of hydraulic performance and wave energy extraction by a point absorber in heave. Applied Ocean Research, 2004, 26(1): 61鈥?2 CrossRef
  8. Eriksson M, Isberg J, Leijon M. Hydrodynamic modelling of a direct drive wave energy converter. International Journal of Engineering Science, 2005, 43(17): 1377鈥?387 CrossRef
  9. Bjarte-Larsson T, Flanes J. Laboratory experiment on heaving body with hydraulic power take-off and latching control. Ocean Engineering, 2006, 33(7): 847鈥?77 CrossRef
  10. Stallard T J, Weller S D, Stansby P K. Limiting heave response of a wave energy device by draft adjustment with upper surface immersion. Applied Ocean Research, 2009, 31(4): 282鈥?89 CrossRef
  
• 作者单位：Arunachalam Amarkarthik (1)
  Srinivasan Chandrasekaran (2)
  Karuppan Sivakumar (1)
  Harender Sinhmar (2)
  
  1. Bannari Amman Institute of Technology, Erode, 638401, India
  2. Indian Institute of Technology Madras, Chennai, 600036, India
  
• ISSN：2095-1698

文摘

This paper describes an innovative method of using a non-buoyant body to harness ocean waves. All the point absorbers are buoyant in nature and move up due to buoyancy and come down because of gravity. The point absorbers are designed to move along the waves to make the device efficient. These devices face excessive stress during the rough weather on account of the extreme motion of waves and cause the total device failure. The present study shows that using a non-buoyant body for conventional point absorber principle is much efficient and safer than any other device proposed till today. A small scale wave energy converter with non-buoyant body was designed, fabricated and tested in small scale wave maker. An electrical generator was coupled with the device to generate electrical energy from harnessed waves. The generator was electrically loaded and the generated power was measured. It was found from the experiments that the proposed device showed a significant improvement in electricity generation and safety during extreme conditions. In addition to the electricity generation, the characteristics of the device were also studied by using various wave and device parameters.