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General Information
Editor-in-chief
Prof. T. Hikmet Karakoc
Anadolu University, Faculty of Aeronautics and Astronautics, Turkey

IJET 2017 Vol.9(2): 124-128 ISSN: 1793-8236
DOI: 10.7763/IJET.2017.V9.956

An Experimental Study of Wave Runup: Cylinder Fixed in Waves versus Cylinder Surging in Still Water

Deping Cao, Edmond Lo Yat-Man, Wei Jian, and Zhenhua Huang
Abstract—Many previous studies have been reported for the wave runup on fixed cylinders but few has been done on surging cylinders. Physically, there is conversion of the kinetic energy of water particles into potential energy during the runup on a fixed cylinder. Several formulas have been reported to correlate the runup with the velocity head. Whether this holds for a surging cylinder or not remains unknown. In the present study, experiments are conducted to investigate the relationship between runup on a cylinder and the relative velocity between the cylinder and the water particles around it. Both runup on a fixed cylinder due to an incident wave and that on surging cylinders due to the surge motion are studied. The results show that for both cases an increase in velocity head leads to an increase in runup.

Index Terms—Fixed cylinder, runup, surging cylinder, velocity head.

Deping Cao and Wei Jian are with Maritime Institute at Nanyang Technological University, Singapore 639798 (e-mail: DPCAO@ntu.edu.sg, jianwei@ntu.edu.sg).
Edmond Lo Yat-Man is with School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798 (e-mail: cymlo@ntu.edu.sg).
Zhenhua Huang is with the Department of Ocean and Resources Engineering, School of Ocean and Earth Science and Technology, University of Hawaii at Manoa, Honolulu, Hawaii 96822-2303, USA (e-mail: zhenhua@hawaii.edu).

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Cite: Deping Cao, Edmond Lo Yat-Man, Wei Jian, and Zhenhua Huang, "An Experimental Study of Wave Runup: Cylinder Fixed in Waves versus Cylinder Surging in Still Water," International Journal of Engineering and Technology vol. 9, no. 2, pp. 124-128, 2017.

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