The greater the temperature differential, the higher the efficiency of. Ocean thermalenergy conversionotec utilizes the worlds largestsolar radiation collector theocean. Plantship a ship designed to house an otec power plant. To employ concepts and methods of energy sciences to make informed judgments. The governor of hawaii, david ige, flipped the switch to activate the plant. This text presents the scientific principles and developmental potential of ocean energy resources. A free powerpoint ppt presentation displayed as a flash slide show on id. Ocean thermal energy conversion act oteca of 1980 limits the ownership, construction and operation of offshore ocean thermal energy facilities and plantships to those licensed by the national oceanic and atmospheric administration noaa.
Thermal energy refers to several distinct physical concepts, such as the internal energy of a system. It discusses the key factors of otec systems, as well as coproducts, plus the possible mitigation of global warming with the absorption of atmospheric carbon dioxide. This book is a comprehensive account of all significant energy sources, evaluated according to their capacity, reliability, cost, safety and effects on the environment. Using a lightemitting diode led light bulb or a compact fluorescent light cfl bulb that requires less energy than an incandescent light bulb to produce the same amount of light is an example of energy efficiency. Pdf the ocean thermal energy conversion strategies and. Wave energy conversion and ocean thermal energy conversion potential in developing member countries wave energy conversion wec and ocean thermal energy conversion otec are two potentially significant sources of renewable energy that are available to. Constructal thermodynamic optimization for ocean thermal energy conversion system with dualpressure organic rankine cycle. The sun warms the surface water and wave motion mixes it to the downward from the deep cold water, formed at high latitudes, by a thermocline. Otec transfer function the relationship between the thermal resource and the electricity generated. Pichtr honolulu, hi abstract the vertical temperature distribution in the open ocean can be simplistically described as consisting of two layers separated by an interface. We develop and coordinate energy systems that harness natural, hightemperature, highpressure geothermal resources used to generate electricity and clean hydrogen. Ocean thermal energy conversion otec makes use of the temperature differences between the deep cold and relatively warmer surface waters of the ocean to generate a constant, clean source of electricity. Griekspoor tebodin consulting engineers, the hague the netherlands abstract the offshore industry is being dominated by the increasing need for energy resources, especially for oil and gas.
Ocean thermal energy conversion otec uses the ocean thermal gradient between cooler deep and warmer shallow or surface seawaters to run a heat engine. And getting a right seminar for submission is really a tough task. Ocean thermal energy conversion otec extracts solar energy through a heat engine operating across the temperature difference between warm surface water and cold deep water. Ocean thermal energy conversion otec, which uses the oceans. View ocean thermal energy conversion research papers on academia. Nonconventional sources of energy are turning out to be extremely important sources of energy for mankind. Thermal energy geothermal, ocean thermal radiant energy solar chemical energy oil, coal, gas, biomass nuclear energy uranium, thorium 6 sustainable energy fall 2010 conversion. This constancy differs from the output of renewable resources such as wind and wave energy that sometimes produce intermittent electricity. Energy from the ocean and scope of its utilization in india. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. Ocean temperature differences, ocean thermal energy conversion, otec, renewable energy. Students will undertake some real life practical projects for home and workplace, thus enhancing personal confidence and value to an employer. Ocean thermal energy, ask latest information, ocean thermal energy abstract, ocean thermal energy report, ocean thermal energy presentation pdf,doc,ppt, ocean thermal energy technology discussion, ocean thermal energy paper presentation details, ocean thermal energy, ppt, pdf, report, presentation, source code, abstract, seminar, project idea, seminar topics, project, project topics,latest.
Like unopened presents under the tree, the ocean is a treasure trove of knowledge. Ocean thermal energy conversion technology britannica. Ocean thermal energy conversion otec is a source of renewable energy wherein the temperature differential between deeper, colder water and warmer, shallow water is used to run a heat energy engine and produce electricity. Otc 21016 economics of ocean thermal energy conversion. Kulkarni department of mechanical engineering 201617. Otc 21016 economics of ocean thermal energy conversion otec. At one point, we all have to make ppt of any topic and submit its report. Tidal power, hydrogen fuel cells and ocean thermal energy conservation.
Alam, mit overview of ocean energy ocean energy is replenished by the sun and through tidal influences of the moon s and. Ocean thermal energy conversion is a process using the heat energy that is stored in the ocean. The ocean geothermal energy foundation is advancing geothermal technology to stop greenhouse gas and climate change worldwide. Ocean thermal energy conversion otec is a process or technology for producing energy by harnessing the temperature differences thermal gradients between ocean surface waters and deep ocean. The ocean contains enoughenergy power all of the worlds otec is a way to generateelectrical needs. Ocean thermal energy conversion otec generates electricity indirectly from solar energy by harnessing the temperature difference between the sunwarmed. Resources and conservation, 7 1981 4960 49 elsevier scientific publishing company, amsterdam printed in the netherlands ocean thermal energy conversion w. Ocean thermal energy conversion otec uses the temperature difference between cooler deep and warmer shallow or surface seawaters to run a heat engine and produce useful work, usually in the form of electricity. The heat stored in the ocean can be converted into electricity by means of a process called. Ocean thermal energy conversion otec is a process or technology for producing energy by harnessing the temperature differences thermal gradients between ocean surface waters and deep ocean waters.
Ocean thermal energy conversion otec is a process that employs the. Sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report. With global warming a certainty, it is imperative that we turn to nonpolluting and renewable sources of energy. Advantages and limitations of ocean thermal energy conversion.
One such source of energy is ocean thermal energy conversionotec. This is referred to as otec for ocean thermal energy conversion. This is the first true closedcycle ocean thermal energy conversion otec plant to be connected to a u. In converting ocean thermal energy to electricity, we would need less than 1 percent of this. Pdf this paper presents different roots of ocean thermal energy conversion otec strategies and challenges faced in terms of efficiency. This is the first true closedcycle ocean thermal energy conversion otec. The european ocean energy s report suggests that by harnessing ocean energy via the use of tidal power, wave power, ocean thermal energy conversion otec and salinity gradient, energy security and system stability will increase, and as a result, the overall price of renewable energy will decrease. Mention the minimum temperature difference required between surface water and water at a depth of upto 2 km in an ocean thermal energy plant. Ocean thermal energy conversion systems convert the energy available in the temperature gradient of the warm surface. Ocean thermal energy conversion otec is a means of converting into useful energy the temperature difference between surface water of the oceans in tropical and subtropical areas, and water at a depth of approximately 1 000 meters which comes from the polar regions. Pdf a closed cycle ocean thermal energy conversion basically involves a working fluid which has a boiling point just low below ambient. Process and technology status ocean thermal energy conversion. Ocean thermal energy corporation ote builds and operates clean hydrothermal energy plants worldwide using the proven technologies of ocean thermal energy conversion otec and seawaterlake water air conditioning swac.
Bansilal ramnath agarwal charitable trusts vishwakarma institute of technology a seminar report on ocean thermal energy conversion by mr. This paper discusses about the ocean energy, ocean thermal energy potential, ocean thermal energy conversion by the close, open and hybrid cycles, environmental impact and special conditions of these process. Ocean thermal energy conversion otec is a promising renewable energy technology to generate electricity and has other applications such as production of freshwater, seawater airconditioning, marine culture and chilledsoil agriculture. Otec uses the heat differences between deep and shallow ocean waters to evaporate a fluid to run a steam turbine and generate. Ocean thermal energy conversion otec, form of energy conversion that makes use of the temperature differential between the warm surface waters of the oceans, heated by solar radiation, and the deeper cold waters to generate power in a conventional heat engine. A basic 4minute introduction from offshore infrastructure associates, inc, with good animations, based on puerto rico as an example location. In the tropics, surface waters are above 80of, but at ocean depths of about 1,000 meters, water temperatures are just above freezing everywhere in the. Electricity generation by the ocean thermal energy. To demonstrate the basic components of energy and green technology systems that enhances the efficient and clean use of energy. Find materials for this course in the pages linked along the left. Nonrenewable sources for example, coal, oil, gas and nuclear fuel together with renewable sources like wood, hydro, biomass, wind, solar, geothermal, ocean thermal, and tidal. The oceans collect a huge amount of the worlds heat energy. Ocean thermal energy conversion otec generates electricity indirectly from solar energy by harnessing the temperature difference between the sunwarmed surface of tropical oceans and the colder deep waters. Why exploring the ocean is mankinds next giant leap2.
In addition, such discoveries will have a tremendous impact on economic growth by creating jobs as well as. Download the seminar report for ocean thermal energy. An ocean thermal energy conversion power plant built by makai ocean engineering went operational in hawaii in august 2015. Ocean thermal energy conversion research papers academia. Name the part of a biogas plant where reactions take place in the absence of oxygen. Ocean thermal energy conversion otec types renewable. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical. Energy conversion and management vol 210, 15 april 2020. Energy efficiency is using technology that requires less energy to perform the same function. Noaa office for coastal management about the office. The future of ocean energy ocean thermal energy corporation. A longer, 14minute introduction that includes details of lockheeds otec plant in hawaii and how it was tested. Ocean thermal energy conversion the large ocean surface acts as a reservoir of solar energy.
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