ANALYSIS OF AN EARLY STAGE OF WAVE ENERGY CONVERTER DEVELOPMENT

• Main Author: JAMELINA (NIM : 25511302), SRIPARDI
• Format: Theses
• Language: Indonesia
• Online Access: https://digilib.itb.ac.id/gdl/view/31058
• Institution: Institut Teknologi Bandung

An early stage of wave energy converter development point absorber type has been done based on wave statistic data at Pacitan, East Java. Response amplitude analysis has been done in a frequency domain using transfer function from wave spectrum. The result of response spectrum is being transform under inverse Fourier transform in order to obtain response in time domain. From this, maximum amplitude is gained and it is being used to plot a scatter diagram of response amplitude for Hs 0.5 m - 2.5 m and Tp 3 s – 15 s. The scatter diagram of response amplitude is then transformed to power density in order to obtain power distribution that being gained from the converter. From seven design concept simulation, the best result is the one that has 3.2 m in height and 1.15 m in diameter, has total mass and stiffness respectively 1600 kg and 18078.4 N/m, also a light damping ratio, 0.19. Total energy consumption from the best concept design is about 3258.3 Watt Hour. This value is based on Pacitan wave data duration which is 2398 Hour in length. In a contour plot of power density versus duration of wave, it can be seen at dominant wave height of 1.5 m and dominant wave period of 14 s point, the potential energy is about 117.3 Wh, whereas the potential energy from wave height of 2 m and wave period of 15 s reach 300 Wh.