This study investigates energy harvesting of a two-dimensional foil in the wake downstream of a cylinder. The foil is passively mobile in the transverse direction. An immersed boundary (IB) method with a fluid–structure interaction (FSI) model is validated and employed to carry out the numerical simulation. For improving numerical stability, this study incorporates a modified low-storage first-order Runge–Kutta scheme for time integration and demonstrates the performance of this temporal scheme on reducing spurious pressure oscillations of the IB method. The simulation shows the foil emerged in a vortical wake achieves better energy harvesting performance than that in a uniform flow. The types of the dynamic response of the energy harvester are identified, and the periodic response is desired for optimal energy harvesting performance. Last, the properties of vortical wakes are found to be of pivotal importance in obtaining this desired periodic response.
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January 2018
Research-Article
Fluid–Structure Interaction Simulation on Energy Harvesting From Vortical Flows by a Passive Heaving Foil
Zhenglun Alan Wei,
Zhenglun Alan Wei
Mem. ASME
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: alan.zlwei@gmail.com
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: alan.zlwei@gmail.com
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Zhongquan Charlie Zheng
Zhongquan Charlie Zheng
Fellow ASME,
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: zzheng@ku.edu
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: zzheng@ku.edu
Search for other works by this author on:
Zhenglun Alan Wei
Mem. ASME
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: alan.zlwei@gmail.com
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: alan.zlwei@gmail.com
Zhongquan Charlie Zheng
Fellow ASME,
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: zzheng@ku.edu
Department of Aerospace Engineering,
University of Kansas,
1530 W 15th Street,
Lawrence, KS 66045-7621
e-mail: zzheng@ku.edu
1Present address: Georgia Institute of Technology, 387 Technology Circle, Suite 234, Atlanta, GA 30313.
Contributed by the Fluids Engineering Division of ASME for publication in the JOURNAL OF FLUIDS ENGINEERING. Manuscript received March 26, 2017; final manuscript received July 31, 2017; published online September 20, 2017. Assoc. Editor: Ioannis K. Nikolos.
J. Fluids Eng. Jan 2018, 140(1): 011105 (10 pages)
Published Online: September 20, 2017
Article history
Received:
March 26, 2017
Revised:
July 31, 2017
Citation
Alan Wei, Z., and Charlie Zheng, Z. (September 20, 2017). "Fluid–Structure Interaction Simulation on Energy Harvesting From Vortical Flows by a Passive Heaving Foil." ASME. J. Fluids Eng. January 2018; 140(1): 011105. https://doi.org/10.1115/1.4037661
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