OVERVIEW AND PROSPECTS FOR DEVELOPMENT OF WAVE AND OFFSHORE WIND ENERGY
Carlos Guedes Soares
; Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa,
Joydip Bhattacharjee ; Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa,
Debabrata Karmakar ; Centre for Marine Technology and Engineering (CENTEC), Instituto Superior Técnico, Universidade de Lisboa,
An overview of the present state of development of offshore renewable wave and wind energy is presented and future prospects are discussed. The information on some of the current wave energy systems worldwide are given as indicative of the present state of affairs. The main working principles of wave energy systems are described and the differences in terms of working principle, conversion chain, location and power take-off systems are highlighted. Some of the technology challenges are identified and the prospects of utilization of the various wave energy concepts are discussed comparing the characteristics of the devices in particular their power output. The evolution of the concepts of wind turbines with time and the main types of offshore wind turbine concepts are presented, from the shallow water fixed ones to the floating ones. The development of various numerical codes for the dynamic analysis of offshore wind turbines and the studies carried out based on the codes for hydrodynamic, aerodynamic, structural and response due to control system are presented. The present status of wind energy compared to wave energy and the role of naval architects and ocean engineers for the design and analysis of wave energy device and offshore wind turbine technology are presented and discussed.
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