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Theoretical performance investigation of a vertical cylindrical oscillating water column device in front of a vertical breakwater

  • Dimitrios N. KonispoliatisEmail author
  • Spyridon A. Mavrakos
Research Article
  • 14 Downloads

Abstract

The present paper deals with the investigation of the efficiency of an oscillating water column device placed in front of a reflecting vertical breakwater. At a first stage, the exciting forces and moments acting on the OWC along with the motion- and pressure-dependent hydrodynamic characteristics of the device, placed in front of a vertical wall, are derived by the solution of the diffraction, motion- and pressure-radiation problems supplemented by representative numerical results concerning the air pressure inside the oscillating chamber. Hydrodynamic interactions between the float and the adjacent breakwater are exactly taken into account using the methods of images. The second part of the paper is devoted to the geometric parametric analysis concerning the distance between the OWC device and the breakwater and the angle of wave propagation to examine how the presence of the vertical wall affects the efficiency of the wave energy device.

Keywords

Oscillating water column device Breakwater Efficiency Wave energy 

Notes

Acknowledgements

This research has been partially financed by the European Union, Horizon 2020, the E.U. Framework Program for Research and Innovation, Research Fund for Coal and Steel, Program: REFOS (709526): Life-Cycle Assessment of a Renewable Energy Multi-Purpose Floating Offshore System.

References

  1. Carija Z, Kranjcevic L, Banic V, Cavrak M (2012) Numerical analysis of Wells turbine for wave power conversion. Eng Rev 32(3):141–146Google Scholar
  2. Dorell DG, Fillet W (2006) Investigation of a small-scale segmented oscillating water column utilizing a savonius rotor turbine. In: International conference on energy and environment (ICEE), SELANGOR, MalaysiaGoogle Scholar
  3. Evans DV, Porter R (1995) Hydrodynamic characteristics of an oscillating water column device. Appl Ocean Res 17:155–164CrossRefGoogle Scholar
  4. Evans DV, Porter R (1996) Efficient calculation of hydrodynamic properties of O.W.C type devices. J Offshore Mech Arctic Eng 119(4):210–218CrossRefGoogle Scholar
  5. Falcao AFO (2002) Control of an oscillating water column wave power plant for maximum energy production. Appl Ocean Res 24:73–82CrossRefGoogle Scholar
  6. Falcao AFO, Henriques JCC (2016) Oscillating-water-column wave energy converters and air turbines: a review. Renew Energy 85:1391–1424CrossRefGoogle Scholar
  7. Falnes J, McIver P (1985) Surface wave interactions with systems of oscillating bodies and pressure distributions. Appl Ocean Res 7:225–234CrossRefGoogle Scholar
  8. Faltinsen OM (1990) Sea loads on ships and offshore structures. Cambridge University Press, CambridgeGoogle Scholar
  9. He F, Huang Z (2014) Hydrodynamic performance of pile-supported OWC-type structures as breakwaters: an experimental study. Ocean Eng 88:618–626CrossRefGoogle Scholar
  10. He F, Huang Z (2016) Using an oscillating water column structure to reduce wave reflection from vertical wall. J Waterw Port Coast Ocean Eng.  https://doi.org/10.1061/(asce)ww.1943-5460.0000320 CrossRefGoogle Scholar
  11. He F, Huang Z, Law AWK (2012) Hydrodynamic performance of a rectangular floating breakwater with and without pneumatic chambers: an experimental study. Ocean Eng 51(9):16–27CrossRefGoogle Scholar
  12. He F, Huang Z, Law AWK (2013) An experimental study of a floating breakwater with asymmetric pneumatic chambers for wave energy extraction. Appl Energy 106(6):222–231CrossRefGoogle Scholar
  13. He F, Zhang H, Zhao J, Zheng S, Iglesias G (2019) Hydrodynamic performance of a pile-supported OWC breakwater: an analytical study. Appl Ocean Res 88:326–340CrossRefGoogle Scholar
  14. Hong DC, Hong SY (2007) Hydroelastic responses and drift forces of a very-long floating structure equipped with a pin-connected oscillating-water-column breakwater system. Ocean Eng 34(5–6):696–708CrossRefGoogle Scholar
  15. Howe D, Nader JR (2017) OWC WEC integrated within a breakwater versus isolated: experimental and numerical theoretical study. Marine Energy 20:165–182CrossRefGoogle Scholar
  16. John Ashlin S, Sundar V, Sannasiraj SA (2016) Effects of bottom profile of an oscillating water column device on its hydrodynamic characteristics. Renew Energy 96:341–353CrossRefGoogle Scholar
  17. Konispoliatis DN, Mavrakos SA (2013) Hydrodynamics of arrays of OWC’s devices consisting of concentric cylinders restrained in waves. In: 10th European wave and tidal energy conference (EWTEC), 2–5 September 2013, Aalborg, DenmarkGoogle Scholar
  18. Konispoliatis DN, Mavrakos SA (2016) Hydrodynamic analysis of an array of interacting free-floating oscillating water column (OWC’s) devices. Ocean Eng 111:179–197.  https://doi.org/10.1016/j.oceaneng.2015.10.034i (accessed 02 Mar 2019) CrossRefGoogle Scholar
  19. Martins-rivas H, Mei CC (2009a) a) Wave power extraction from an oscillating water column at the tip of a breakwater. J Fluid Mech 626:395–414MathSciNetCrossRefGoogle Scholar
  20. Martins-rivas H, Mei CC (2009b) Wave power extraction from an oscillating water column along a straight coast. Ocean Eng 36:426–433CrossRefGoogle Scholar
  21. Mavrakos SA (1985) Wave loads on a stationary floating bottomless cylinder with finite wall thickness. Appl Ocean Res 7(4):213–224CrossRefGoogle Scholar
  22. Mavrakos S, Bardis L (1986) Hydrodynamic analysis of floating solar ponds. In: The society of naval architects and marine engineers (SNAME), vol 24Google Scholar
  23. Mavrakos SA, Katsaounis GM (2010) Effects of floaters’ hydrodynamics on the performance of tightly moored wave energy converters. IET Renew Power Gener 4(6):531–544.  https://doi.org/10.1049/iet-rpg.2009.0191 CrossRefGoogle Scholar
  24. Mavrakos SA, Konispoliatis DN (2012) Hydrodynamics of a free floating vertical axisymmetric oscillating water column device. J Appl Math.  https://doi.org/10.1155/2012/142850 (Article ID 142850) MathSciNetCrossRefzbMATHGoogle Scholar
  25. Mavrakos SA, Katsaounis GM, Nielsen K, Lemonis G (2004) Numerical performance investigation of an array of heaving wave power converters in front of a vertical breakwater. In: 14th international offshore and polar engineering conference (ISOPE), 23–28 May 2004, Toulon, FranceGoogle Scholar
  26. Miloh T (1983) Wave loads on a floating solar pond. In: Int. workshop on ship and platform motions. Departnment of Naval Architecture and Offshore Engineering, University of California, Berkeley, USAGoogle Scholar
  27. Mustapa MA, Yaakob OB, Ahmed YMM, Rheem CK, Koh KK, Faizul AA (2017) Wave energy device and breakwater integration: a review. Renew Sustain Energy Rev 77:43–58CrossRefGoogle Scholar
  28. Nader JR, Zhu SP, Cooper P, Stappenbelt B (2012) A finite-element study of the efficiency of arrays of oscillating water column wave energy converters. Ocean Eng 43:72–81CrossRefGoogle Scholar
  29. Nader JR, Zhu SP, Cooper P (2014) Hydrodynamic and energetic properties of a finite array of fixed oscillating water column wave energy converters. Ocean Eng 88:131–148CrossRefGoogle Scholar
  30. Naty S, Viviano A, Foti E (2016a) Wave energy exploitation system integrated in the coastal structure of a Mediterranean port. Sustainability 8(12):1342–1361CrossRefGoogle Scholar
  31. Naty S, Viviano A, Foti E (2016b) Feasibility study of a WEC integrated in the port of Giardini Naxos, Italy. In: Proceedings of 35th conference on coastal engineering, 17–20 November 2016, Antalya, TurkeyGoogle Scholar
  32. Newman JN (1977) Marine hydrodynamics. MIT Press, CambridgeCrossRefGoogle Scholar
  33. Sarmento AJNA, Falcao AFO (1985) Wave generation by an oscillating surface-pressure and its application in wave-energy extraction. J Fluid Mech 150:467–485CrossRefGoogle Scholar
  34. Suroso A (2005) Hydraulic model test of wave energy conversion. J Mekanikal 19:84–94Google Scholar
  35. Teng B, Ning DZ (2003) Wave diffraction from a uniform cylinder in front of a vertical wall. Ocean Eng 21(4):48–52Google Scholar
  36. Teng B, Ning DZ, Zhang XT (2004) Wave radiation by a uniform cylinder in front of a vertical wall. Ocean Eng 31:201–224CrossRefGoogle Scholar
  37. Viviano A, Naty S, Foti E, Bruce T, Allsop W, Vicinanza D (2016) Large-scale experiments on the behavior of a generalized oscillating water column under random waves. Renew Energy 99:875–887CrossRefGoogle Scholar
  38. Zheng S, Zhang Y (2015) Wave diffraction from a truncated cylinder in front of a vertical wall. Ocean Eng 104:329–343CrossRefGoogle Scholar
  39. Zheng S, Zhang Y (2016) Wave radiation from a truncated cylinder in front of a vertical wall. Ocean Eng 111:602–614CrossRefGoogle Scholar
  40. Zheng S, Zhang Y (2018) Theoretical modelling of a new hybrid wave energy converter in regular waves. Renew Energy 128:125–141CrossRefGoogle Scholar

Copyright information

© Springer Nature Switzerland AG 2019

Authors and Affiliations

  1. 1.Laboratory for Floating Structures and Mooring Systems, Division of Marine Structures, School of Naval Architecture and Marine EngineeringNational Technical University of AthensAthensGreece
  2. 2.Hellenic Centre for Marine Research, Director and PresidentAnavyssosGreece

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