Abstract
In this paper, an advanced methodology developed for the assessment of tidal stream resources is applied to several straits between Indian Ocean and inner Indonesian seas. Due to the high current velocities up to 3-4 m/s, the straits are particularly promising for the efficient generation of electric power. Tidal stream power potentials are evaluated on the basis of calibrated and validated high-resolution, three-dimensional numerical models. It was found that the straits under investigation have tremendous potential for the development of renewable energy production. Suitable locations for the installation of the turbines are identified in all the straits, and sites have been ranked based on the level of power density. Maximum power densities are observed in the Bali Strait, exceeding around 10kw/m2. Horizontal axis tidal turbines with a cut-in velocity of 1m/s are considered in the estimations. The highest total extractable power resulted equal to about 1,260MW in the Strait of Alas. Preliminary assessments showed that the power production at the straits under investigation is likely to exceed previous predictions reaching around 5,000MW.
Highlights
The global energy supply is facing severe challenges in terms of long-term sustainability, fossil fuel reserve exhaustion, global warming and other energy related environmental concerns, geopolitical and military conflicts surrounding oil rich countries, and secure supply of energy
CONCLUSIONS and OUTLOOK Tidal stream resource assessments are done for the straits between Indian Ocean and inner
The results obtained showed that the straits in question have tremendous potential for the production of ocean renewable energy
Summary
The global energy supply is facing severe challenges in terms of long-term sustainability, fossil fuel reserve exhaustion, global warming and other energy related environmental concerns, geopolitical and military conflicts surrounding oil rich countries, and secure supply of energy. Renewable energy sources such as solar, wind, wave and tidal energy are capable of meeting the present and future energy demands with ease without inflicting any considerable damage to global ecosystem (Asif et al 2007). In order to improve the reliability of the information concerning the potential of tidal stream resources, it is essential to improve resource characterization and rationale for site selection
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