论文信息 - A multi-chamber oscillating water column using cascaded Savonius turbines

A multi-chamber oscillating water column using cascaded Savonius turbines

This paper describes a small segmented oscillating water column with three sections and the modeling techniques that can be used to simulate its performance. The turbine uses cascaded Savonius rotors and the unit is developed and tested for validation of the performance algorithms. It is shown that the systems can be easily described and developed. It would be suitable for a shoreline location such as a harbor wall, where waves are random and not orthogonal to the column. Conversion rates in the region of 20 % are tabulated for the system with an output of 25 W peak. A full algorithm used for the system is put forward and solved using the Runge-Kutta- Nystrom Method.

[1] Thomas L. Harman,et al. Advanced Engineering Mathematics Using Matlab V.4 , 1996 .

[2] Min-Fu Hsieh,et al. Segmented Small Oscillating Water Columns Using In-line Savonius Rotors , 2007 .

[3] D. Dorrell,et al. Investigation of a small-scale segmented oscillating water column utilizing a Savonius rotor turbine , 2006 .

[4] Manabu Takao,et al. Current status of self rectifying air turbines for wave energy conversion , 2006 .

[5] F. W. Kellaway,et al. Advanced Engineering Mathematics , 1969, The Mathematical Gazette.

[6] David G. Dorrell,et al. Review of wave energy resource and wave generator developments in the UK and the Rest of the World , 2004 .

[7] R. Shaw. Wave energy : a design challenge , 1982 .

[8] David M. Eggleston,et al. Wind Turbine Engineering Design , 1987 .

[9] Manabu Takao,et al. Effect of guide vane shape on the performance of a Wells turbine , 2001 .

[10] Min-Fu Hsieh,et al. Performance of Wells Turbines For Use In Small-Scale Oscillating Water Columns , 2008 .

[11] Akiko Hiramoto. The theoretical analysis of an air turbine generation system , 1978 .

[12] A. Clément,et al. Wave energy in Europe: current status and perspectives , 2002 .

[13] M J Tucker,et al. WAVES IN OCEAN ENGINEERING , 2001 .

[14] S. Raghunathan,et al. Investigation of Wells turbine performance using 3-D CFD , 1996, IECEC 96. Proceedings of the 31st Intersociety Energy Conversion Engineering Conference.