The ocean thermal extractable energy visualization oteev project focuses on assessing the maximum practicably extractable energy mpee from the worlds ocean thermal resources. 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 help the asian development banks adb. Makai ocean engineerings ocean thermal energy conversion otec power plant is the worlds biggest operational facility of its kind, with an annual power generation capacity of 100kw, which is sufficient to power 120 homes in hawaii. In order to produce power with the low temperature range, a working fluid with low boiling point is used.
May 05, 2017 ocean thermal energy conversion otec is considered as a promising resource of energy in the future. Ocean thermal energy conversion otec is a technology that dates back to the late 1800s and makes use of temperature differences between surface and deep ocean waters to drive a heat engine, and extract energy via the rankine cycle. Aug 21, 2015 ocean thermal energy conversion otec is a process that can produce electricity by using the temperature difference between deep cold ocean water and warm tropical surface waters. Darsonval, the french engineer who first proposed the otec concept in 1881, or. Apr 15, 2020 welcome to the okinawa prefecture deep sea water ocean thermal energy conversion otec demonstration facility. Makais otec work is conducted at the ocean energy research center oerc, located within the natural energy lab of hawaii authority nelha in kailua kona, hawaii.
In 2011, makai ocean engineering completed a heat exchanger test facility at nelha. Ocean thermal energy conversion otec is a method of generating energy that uses the temperature differences between warm surface water and colder deep seawater to produce energy. Cost effective otec ocean thermal energy conversion. The potential geothermal waste heat, which exists in the form of raw hot natural gas is contin. Otec utilizes the difference in temperature between warm, surface seawater and cold, deep seawater to produce electricity. Ocean thermal energy conversion otec uses large flows of warm surface seawater and cold deep seawater to generate clean electricity.
Ocean thermal energy conversion otec renewable energy ocean thermal gradient large water flux intakes at 20m and m. And getting a right seminar for submission is really a tough task. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. Introduction history how does it work in real life. Open cycle ocean thermal energy conversion uses the warm surface water to produce electricity. Ocean thermal energy conversion plant is a combination of marine waters and power generation. Technical readiness of ocean thermal energy conversion. Ocean thermal energy conversion otec is a marine renewable energy technology that harnesses the solar energy absorbed by the oceans to generate electric power. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical. Pdf relevance of ocean thermal energy conversion in maritime. Pdf encyclopedia of energy engineering and technology ocean. It is based on techniques that exploit heat produced by solar energy that may, in turn, be used to produce fuel and electricity. Ocean thermal energy conversion, or otec, uses seawater to turn solar energy into electricity. It is one of the renewable energy resources that do not arise any indeed harmful impact on our.
An imaginary illustration of an otec plant otec laboratory, faculty of science and. Companies such as lockhead martin, ocean thermal energy corporation and makai ocean engineering, who have become leaders in the development of this technology, are looking to bring it to market on a large commercial scale. Pdf the ocean thermal energy conversion strategies and. Pdf encyclopedia of energy engineering and technology. Ocean mechanical thermal energy conversion youtube. 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. Introducing the worlds largest ocean thermal energy. Electricity generation by the ocean thermal energy. The oceans on earth already stored more than two years of solar energy transmitted to earth in the thermal form in the top meter depth. Ocean thermal energy conversion otec is considered as a promising resource of energy in the future.
Introducing the worlds largest ocean thermal energy conversion power plant. Kulkarni department of mechanical engineering 201617. Ocean thermal energy conversion 1 ocean thermal energy conversion activities at process energy carlos infante ferreira tu delft 2 faculty 3me 3 department process energy 4 efficiency of reversible thermodynamic cycles hot reservoir hot reservoir hot reservoir power cycle heat pump refrigeration cycle cold reservoir cold reservoir cold. Ocean thermal energy conversion makai ocean engineering. Bansilal ramnath agarwal charitable trusts vishwakarma institute of technology a seminar report on ocean thermal energy conversion by mr. 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. An ocean thermal energy conversion power plant built by makai ocean engineering went operational in hawaii in august 2015. 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. The plant surpassed engineering expectations by producing. This is the first true closedcycle ocean thermal energy conversion otec plant to be connected to a u. Numerical analysis of an ocean thermal energy conversion system. It is one of the renewable energy resources that do.
Ocean thermal energy conversion otec is a process which utilizes the heat energy stored in the tropical ocean. A guide to otec johns hopkins university applied physics laboratories series in science and engineering on free shipping on qualified orders. Technical readiness of ocean thermal energy conversion otec. Sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report.
While pilot scale plants otec power plant is the worlds biggest operational facility of its kind, with an annual power generation capacity of 100kw, which is sufficient to power 120 homes in hawaii. Numerical analysis of an ocean thermal energy conversion. Geoocean thermal energy conversion geotec power cycleplant. Ocean thermal energy conversion otec is an energy generation. Ocean thermal energy conversion otec is a process that can produce electricity by using the temperature difference between deep cold ocean. Engineering requirements of an otec power system design, construction, and operation at sea. Predictable and continuous, the energy produced in.
Ocean thermal energy conversion otec technology uses a turbine generator to create renewable energy from the temperature difference between cold, deep seawater circulating in the ocean and surface seawater warmed by the sun. 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, 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. Encyclopedia of energy engineering and technology ocean thermal energy conversion otec. Makais ocean thermal energy conversion otec power plant. A leader in ocean thermal energy conversion commercialization author. Ocean thermal energy conversion technology britannica. Ocean thermal energy conversion otec harnesses the difference in temperature between the surface water about 25c and the water at depth about 5c at depths greater than m based on the principle of thermal exchange.
Revisiting ocean thermal energy conversion rod fujitaa,n, alexander c. Download the seminar report for ocean thermal energy. The warm water is first pumped into the low pressure container and set to boil. Here youll find a collection of information on this historic project, as well as information on otec technology, news, and posts from facility staff. Ocean thermalenergy conversionotec utilizes the worlds largestsolar radiation collector theocean. This is the first true closedcycle ocean thermal energy conversion otec. First introduced in 1881, otec has been described as an effective and renewable energy source. Department of ocean and resources engineering since 2009, where the focus of his activities is, once again, the promotion and development of marine renewable energy. 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. The upper layer is warmed by the sun and mixed to depths of about 100 m by wave motion.
Technologies are quickly coming on line to harness this almost limitless power, and one of the most exciting breakthroughs could be ocean mechanical. Pdf a closed cycle ocean thermal energy conversion basically involves a working. 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. Ocean thermal energy conversion otec abdullah mohammed aldale department of electrical engineering university of south florida, usa academic researcher king abdullaziz city for science and technology, saudi arabia abstract. It relies on the oceans thermal gradient the temperature decline from the sunwarmed waters on the surface to the cold waters found at great depths. While pilot scale plants ocean thermal energy otec ocean thermal energy also called as ocean thermal energy conversion otec refers to a method of using the temperature difference between the deep parts of the sea which are cold and the shallow parts of the sea which are cold to run a heat engine and produce useful work. International journal of scientific research in science, engineering and. Mar 10, 2015 sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report. Both rely on the fact that the deep ocean is significantly colder than the tropical surfacenearly 40 degrees fahrenheit colder. Pdf performance analysis of a closedcycle ocean thermal energy. To be economically competitive, design and fabrication improvements on. At one point, we all have to make ppt of any topic and submit its report.
Other components for otec floating plants that present engineering challenges are the position keeping system and the attachment of the submarine power cable. One source, ocean thermal energy conversion, has virtually unlimited potential. Process and technology status ocean thermal energy conversion. The temperature difference between the surface water which gets heated by the direct sun rays and the water at the sea bed is utilized to run a heat engine and produce useful work. Ocean thermal energy conversion otec has become a serious contender for development as an economic power generation system for the last decade of this century, since the cost of conventional fuels particularly oil rose during and from 1973. Predictable and continuous, the energy produced in this way is particularly environment. Renewable, reliable power renewable and reliable alternative energy is a critical need as the worlds oil supplies are depleted. Aguileraf a environmental defense fund, 123 mission street, 28th floor, san francisco, ca 94105, usa b department of industrial engineering, university of matanzas, carretera a varadero km3 12. Ocean thermal energy conversion karen anne finney university of guelph, guelph, ontario, n1g 2w1, canada ocean thermal energy conversion otec is a process that employs the natural temperature difference between the surface and the depths of the ocean. The american society of mechanical engineers ocean engineering division has produced a number of important publications over the past few years on otec.
The governor of hawaii, david ige, flipped the switch to activate the plant. Ocean thermal energy conversion an overview sciencedirect. Ocean thermal energy conversion and open ocean mariculture. Ocean thermal energy conversion otec paper presentation. Mpee is defined as being sustainable and technically feasible, given.
In that regard, this article reports the offdesign performance analysis of a closedcycle otec system. 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. There are many different technologies that allow for energy production from the ocean, such as generating energy from waves, tides, and ocean temperatures. The worlds oceans serve as a huge collector of heat energy. An otec heat engine may be configured follow ing designs by j. Ocean thermal energy conversion otec can be one such alternate form of energy. The tropical ocean at a typical otec site has two distinct layers. This type of renewable energy has been shown as three times more stable than solar or wind power. Ocean thermal energy conversion otec systems use the temperature difference of surface and deep water to make energy. Ocean thermal energy conversion otec uses the ocean thermal gradient between cooler. Ocean thermal energy conversion questions and answers. They have managed to gain leverage from the expertise in hawaii, for example, which has the right ocean temperature. Ocean thermal energy conversion development update.
Two major ocean thermal technologies are of interest in hawaii. Abstract the results of this ninemonth study indicate that ocean thermal energy conversion power plants are technically feasible and have the potential for economic feasibility. The suns heat warms the surface water a lot more than the deep ocean water, which creates the oceans naturally available temperature gradient, or thermal energy. Otec ocean thermal energy conversion was first proposed in 1881. This idea is not new but actually dates back to 1881, when a french engineer by the name of jacques darsonval first thought of otec. Potential environmental impacts and fisheries christina m comfort, m. In the energy conversion, the heat exchangers transfer the thermal energy to the heat engine, which converts it into power. Ocean thermal energy conversion otec by ajer issuu.
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