Synergistic Flow-Induced Oscillation of Multiple Cylinders in Harvesting Marine Hydrokinetic Energy-Reference-Cited by-同舟云学术

Synergistic Flow-Induced Oscillation of Multiple Cylinders in Harvesting Marine Hydrokinetic Energy

Published:2020-11-18 Issue:3 Volume:143 Page:
ISSN:0892-7219
Container-title:Journal of Offshore Mechanics and Arctic Engineering
language:en
Short-container-title:

Author:

Li Mengyu¹,Bernitsas Christopher C.²³,Guo Jing⁴,Sun Hai⁵²⁶

Affiliation:

1. College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China

2. Marine Renewable Energy Laboratory, Department of Naval Architecture & Marine Engineering, University of Michigan, 2600 Draper Road, Ann Arbor, MI 48109-2145;

3. Intern; Detroit Country Day—Upper School, 22305 West, 13 Mile Road, Beverly Hills, MI 48025

4. Department of Mathematical Sciences, Worcester Polytechnic Institute, Worcester, MA 01609

5. College of Mechanical and Electrical Engineering, Harbin Engineering University, Harbin, Heilongjiang 150001, China;

6. Vortex Hydro Energy, Ann Arbor, MI 48105

Abstract

Abstract Flow-induced oscillations/vibrations (FIO/V) of cylinders in tandem can be enhanced by proper in-flow spacing to increase hydrokinetic energy harnessing. In a farm of multiple cylinders in tandem, the effect of interference on harnessing efficiency arises. Three years of systematic experiments in the Marine Renewable Laboratory (MRELab) of the University of Michigan, on an isolated cylinder, and two and three cylinders in tandem have revealed that synergistic FIO can enhance oscillations of cylinders in close proximity. Two cylinders in tandem can harness 2.5–13.5 times the hydrokinetic power of one isolated cylinder. Three cylinders in tandem can harness 3.4–26.4 times the hydrokinetic power of one isolated cylinder. Negative impact on the harnessed energy by multiple cylinders, such as the shielding effect for the downstream cylinder/s, is possible. Specifically for the three-cylinder configuration, at a certain flow speed, the decrease in the power of the middle cylinder can be overcome by adjusting its stiffness and/or damping.

Funder

National Key Research and Development Program of China

National Natural Science Foundation of China

Natural Science Foundation of Heilongjiang Province

U.S. Department of Energy

Publisher

ASME International

Subject

Mechanical Engineering,Ocean Engineering

Link

https://asmedigitalcollection.asme.org/offshoremechanics/article-pdf/143/3/032003/6595527/omae_143_3_032003.pdf

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