Modelling of the multi-chamber oscillating water column in regular waves at model scale

Shalby, Mohammad; Walker, Paul; Dorrell, David G.

doi:10.1016/j.egypro.2017.10.261

Cited by 14 publications

(10 citation statements)

References 6 publications

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“…Small amplitude linear wave theory assumptions were applied to evaluate the power measurement and the effects of different design parameters (internal water surface level, airflow rate) on device performance. Then, a time–domain mathematical model was developed to predict the internal surface elevation and the differential pressure under regular wave conditions . This mathematical model was validated and found to be in good agreement against experimental results obtained from tests in a wave tank.…”

Section: Multi–chamber Owc Device Developmentmentioning

confidence: 84%

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Multi-chamber oscillating water column wave energy converters and air turbines: A review

2018

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Summary The oscillating water column (OWC) is a more common type of wave energy converter (WEC) that has been the subject of the study and development for several decades. Multi–chamber oscillating water column (MC–OWC) devices or arrays have the advantage of being more efficient in energy extraction compared to a single chamber system, particularly in more chaotic sea states. A variety of single and array OWC devices have been proposed and studied on a small–scale, whereas few large–scale devices have been tested under ocean wave conditions. This paper provides a concise review of the current state of MC–OWC device development in laboratory conditions. The review highlights explicitly the main stages of MC–OWC device development for one ongoing study as an example. This review was based on the available information in the literature from 2003 to 2012, in addition, further work is presented as part of the current study at the University of Technology Sydney. This study is from 2015 to 2018. The discussion shows the challenges that a device needs to overcome to be more competitive with other WECs in the global of wave energy converter area.

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Section: Multi–chamber Owc Device Developmentmentioning

confidence: 84%

“…Current model and wave tank, A, Installation of the four–chamber OWC device test model; B, Geometry of the four–chamber MC–OWC device; C, A photo of wave tank; D, A schematic of the wave tank [Colour figure can be viewed at wileyonlinelibrary.com]…”

Section: Multi–chamber Owc Device Developmentmentioning

confidence: 99%

Multi-chamber oscillating water column wave energy converters and air turbines: A review

2018

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“…Initially models where tested with a Wells turbine before using just the savonius turbine in a segmented arrangement. Although this concept has been extensively investigated, there are still gaps in the research that are stunting its progression but should be a part of future work [18,60,[108][109][110].…”

Section: Floating Devicesmentioning

confidence: 99%

Development of multi-oscillating water columns as wave energy converters

Doyle

Aggidis

2019

Renewable and Sustainable Energy Reviews

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Wave energy development continues to advance in order to capture the immense ocean energy available globally. A large number of wave energy conversion concepts have been developed and researched to date but we are still not able to see a convergence of technologies. This provides the requirement and additional opportunity for further research. This paper provides a review and discusses the development of the OWC concept of wave energy converters in general and the evolved variation of the M-OWC more specifically. The review outlines the increased potential of the M-OWC concept and its current state through its advancement in recent years. Although still under development the M-OWCs have the potential to provide promising results, through the various innovative concepts under consideration, and support the progression and further development of wave energy as another serious contender in the renewables energy mix.

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“…Although, in several articles, the WAB also is known as oscillating bodies (OS). A detail description of OWC, WAB and overtopping devices can be obtained in [15][16][17][18], respectively.…”

Section: Introductionmentioning

confidence: 99%

Hydraulic Power Take-Off Concepts for Wave Energy Conversion System: A Review

et al. 2019

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Ocean wave energy is one of the most abundant energy sources in the world. There is a wide variety of wave energy conversion systems that have been designed and developed, resulting from the different ways of ocean wave energy absorption and also depending on the location characteristics. This paper reviews and analyses the concepts of hydraulic power take-off (PTO) system used in various types of wave energy conversion systems so that it can be a useful reference to researchers, engineers and inventors. This paper also reviews the control mechanisms of the hydraulic PTO system in order to optimise the energy harvested from the ocean waves. Finally, the benefits and challenges of the hydraulic PTO system are discussed in this paper.

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Modelling of the multi-chamber oscillating water column in regular waves at model scale

Cited by 14 publications

References 6 publications

Multi-chamber oscillating water column wave energy converters and air turbines: A review

Multi-chamber oscillating water column wave energy converters and air turbines: A review

Development of multi-oscillating water columns as wave energy converters

Hydraulic Power Take-Off Concepts for Wave Energy Conversion System: A Review

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