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Marine Energy Conversion Systems

Marine Energy Conversion Systems mind map
Recent News
Indian Standards Establishment
Date
December 29, 2023
Organization
Bureau of Indian Standards
Goal
Promote standardisation
Enhance quality
When
Historical Context
Stephen Salter's Project
Year
1974
Why
Need for Renewable Energy
Due to
Environmental concerns
Depleting fossil resources
What
Types of Marine Energy
From Water Movement
Waves
Tides
River currents
Ocean Thermal Energy Conversion
Technologies
Wave Energy Converters
Example
Buoys
Tidal Turbines
Who
Key Organizations
Bureau of Indian Standards
National Renewable Energy Laboratory
How
Energy Harnessing
Using Kinetic Energy
Waves, currents, tides
Thermal Energy Conversion
Deep cold water to surface
Significance
Renewable Source
Continuous availability
Environmentally Friendly
Less carbon footprint
Accessibility
Near coastal areas
High Energy Potential
Up to 100 kW/m in deep waters
Challenges
Environmental Impact
Marine ecosystem disturbance
High Costs
Infrastructure development
Maintenance
Location-Dependent
Suitable for coastal areas only
Technological Challenges
Durability against harsh conditions
Way Forward
NREL's New Design
Variable-Geometry
Adaptive to wave intensity
Raised Foundation
Avoids seabed obstacles
Greater power production
Industry Adaptation
Moving from theory to practice
Wider deployment

Marine energy conversion systems harness renewable power from the natural movement of water, including waves, tides, and currents, as well as from temperature differences in water through ocean thermal energy conversion. Recent advancements include the establishment of a technical committee in India to promote standardization in this field. Marine energy has several advantages, including being a renewable source, environmentally friendly, accessible near coastal areas, and having high energy potential. However, it faces challenges such as potential environmental impact, high costs, location dependency, and technological hurdles in durability. The way forward includes innovative designs like the variable-geometry, oscillating, surge wave energy converter developed by NREL, which is more adaptable and cost-effective, and initiatives for wider deployment in the industry.

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