Artificial Wave Producer

Chiang, Carrey Wai Liong (2019) Artificial Wave Producer. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

The research was driven by the unavailability of an Artificial Wave Producer in the Underwater Research Lab in Faculty of Electrical Engineering (FKE) in Universiti Teknikal Malaysia Melaka (UTeM) besides with an increasing use of Remotely Operated Vehicle (ROY) in deep sea exploration and underwater tasks.The high cost and large scale of existing wave producer has been a problem as it is pricey and occupies large space in laboratory. The objectives of the research was to develop a low cost and small scale Artificial Wave Producer and to evaluate its performance in terms of generated wave amplitude and wavelength.The method used in this research is by operating an oscillating plunger in a water tank of size 2 m x 1 m of length and width with 0.5m depth of water which is already available in the lab.The concept of producing wave with the Artificial Wave Producer was by using the Scotch Yoke mechanism to convert rotational motion to reciprocating motion and the performance of the Artificial Wave Producer were determined by the result of wave amplitude through changes of submerged plunger depth and result of wavelength from different plunger frequency where the wave amplitude produced by the triangular plunger is smaller than that of the half circular plunger even though with same submerged depth while the wavelength of both plunger shows the same exponential graph pattern against the plunger frequency axis.The comparison of theoretical calculation and experimental results were conducted to determine the error of the Artificial Wave Producer and comparison of theoretical plunger velocity with generated wave velocity were found to be lower in experimental wave velocity which was due to friction loss in the Scotch Yoke mechanism.

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