Physical and Mathematical Modelling of a Point Absorber Wave Energy Conversion System with Nonlinear Damping

Hicks, Douglas C.; Pleass, Charles M.

doi:10.1007/978-3-642-82666-5_9

Cited by 3 publications

(1 citation statement)

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“…It is not until recent decades that wave power generation devices have entered a stage of rapid development. According to the working principle and structure form, the wave energy conversion device is mainly divided into three categories: oscillating type, oscillating water column and overtopping [2][3][4][5]. Compared with the other two types, the oscillation device has the advantages of small size, low construction and maintenance cost, easy construction, easy mooring, and convenient application in offshore devices, so it is the mainstream form of wave energy conversion device.…”

Section: Introductionmentioning

confidence: 99%

Experimental Study on Operation Performance of Two-Body Wave Energy Generator

Liu

2021

Advances in Transdisciplinary Engineering

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The two-body oscillating type wave energy converter (WEC) is a hot research topic at present. A two-body device with damping disc was taken as the test model in this paper. The two bodies were connected by a hydraulic piston cylinder to realize the relative motion energy conversion. Physical experiments were carried out in a wave-making flume to study the operation performance. The effects of wave elements and load on the hydrodynamic characteristics and capture width ratio (CWR) of the model were analysed respectively. The results showed that wave frequency and external load were the main factors affecting the motion response and energy conversion of the device. With the increase of wave frequency and external load, the response amplitude operator (RAO) and the capture width ratio both increase first and then decrease. Wave height has little effect on system characteristics. There exists a best-matching wave period condition, and the optimal motion response and energy conversion are obtained.

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Section: Introductionmentioning

confidence: 99%