Experimental study to optimize the efficiency of the Oscillating Water Column wave energy converter by enhancing the air chamber design

Mamdouh Elmallah

doi:10.30574/ijsra.2025.14.3.0665

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Experimental study to optimize the efficiency of the Oscillating Water Column wave energy converter by enhancing the air chamber design

Mamdouh Elmallah^{1, 2, *}

¹ Department of Marine Engineering Technology, College of Maritime Transport & Technology, Arab Academy for Science, Technology, and Maritime Transport, Egypt.

² Department of Navigation and Naval Construction Sciences and Techniques, Higher Technical School of Nautical Studies, University of Cantabria, Spain.

Research Article

International Journal of Science and Research Archive, 2025, 14(03), 196-205

Article DOI: 10.30574/ijsra.2025.14.3.0665

DOI url: https://doi.org/10.30574/ijsra.2025.14.3.0665

Publication history

Received on 29 January 2025; revised on 04 March 2025; accepted on 06 March 2025

Abstract

One of the most active uses of renewable energy is wave energy conversion. One of the most popular techniques for converting wave energy is the Oscillating Water Column (OWC) device. This study looks at how the shape, design, and oscillating water column wave energy converter affect the airflow response. The chamber geometry is just as crucial as the turbine design, despite the fact that the majority of research concentrates on the turbine design to optimize the oscillating water column (OWC)'s performance. Optimizing the air velocity entering the turbine is the primary goal of this study since it will increase the device's output power and efficiency. Experimental investigations are performed in the wave tank laboratory to study the effects of air chamber designs, such as rectangular, cylindrical, and conical air chambers with different cross-sectional areas. The results demonstrate a considerable increase in air velocity flow from 3.1 m/s in the rectangular air chamber to 3.5 m/s in the cylindrical air chamber, and a maximum of 4.5 m/s in the conical air chamber.

Keywords

Air Chamber; Wave Tank; Air Velocity; Renewable Energy; Reynolds Averaged Navier-Stokes

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How to cite this article

Mamdouh Elmallah. Experimental study to optimize the efficiency of the Oscillating Water Column wave energy converter by enhancing the air chamber design. International Journal of Science and Research Archive, 2025, 14(03), 196-205. Article DOI: https://doi.org/10.30574/ijsra.2025.14.3.0665.

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