Otec could use power extracted from the latent heat of a p. The energy source of otec is abundantly available, free and will be so for as long as the sun shines and ocean currents exist. In converting ocean thermal energy to electricity, we would need less than 1 percent of this. 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. Ppt what is ocean thermal energy conversion powerpoint. Ocean thermal energy conversion otec is a way of getting useful energy from the worlds oceans.
Predictable and continuous, the energy produced in. Then you can start reading kindle books on your smartphone, tablet, or computer. 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. Cost effective otec ocean thermal energy conversion. There are advantages and disadvantages of the ocean thermal energy. 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. Nonconventional sources of energy are turning out to be extremely important sources of energy for mankind. 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. Energy and exergy analyses are reported of hydrogen production via an ocean thermal energy conversion otec system coupled with a solarenhanced proton exchange membrane pem electrolyzer. It relies on the ocean s thermal gradient the temperature decline from the sunwarmed waters on the surface to the cold waters found at great depths. Sea thermal energy conversion otec is a vitality innovation that changes over sun oriented radiation to electric force. Otec frameworks utilize the seas regular warm slopethe way that the seas layers of water have distinctive.
Estimates suggest that ocean thermal energy could contain more than twice the worlds electricity demand. 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. 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. If you liked it then please share it or if you want to ask anything then please hit comment button. Technical readiness of ocean thermal energy conversion. How will ocean thermal energy conversion help the environment. Otec ocean thermal energy conversion was first proposed in 1881. Ocean thermal energy conversion otec generates electricity indirectly from solar energy by harnessing the temperature difference between the sunwarmed. At one point, we all have to make ppt of any topic and submit its report.
In order to produce power with the low temperature range, a working fluid with low boiling point is used. For otec ocean thermal energy conversion, rather than transfer huge quantities of cold water from deep in the ocean to the surface to provide a heat sink for a heat engine or for desalination, this invention provides a method of using small masses of lowboilingpoint fluids to absorb heat in a heat exchanger near the ocean surface using the latent heat of evaporation and then depositing the. 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. Mar 10, 2015 ocean thermal energy pdf report free download it was all about ocean thermal energy seminar and ppt with pdf report. It boasts a competitive advantage over alternative sources of electricity. 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. S t m r y a general approach to the transient analysis of energy conversion devices and systems is established by combining the concepts of energy conversion statics and irreversible thermodynamics. First introduced in 1881, otec has been described as an effective and renewable energy source.
The ocean thermal energy can be harnessed by means of a thermodynamic cycle, which uses the temperature gradient between the cold deep waters and the warm surface waters. 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. Join us in exploring this exciting path into the future. Basics and information on ocean thermal energy conversion. Otec news reports on ocean thermal energy conversion, seawater air conditioning and related technologies. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical.
Ocean thermal energy conversion otec is considered as a promising resource of energy in the future. This makes it necessary for us to give it a closer look. Alam, mit overview of ocean energy ocean energy is replenished by the sun and through tidal influences of the moon s and. Energy conversion takahashi, patrick, trenka, andrew on. 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. While pilot scale plants energy, a combination of technical and. Introduction ocean thermal energy conversion otec is a technology for generating renewable energy that uses the temperature difference between the deep cold and relatively warmer surface waters of the ocean to generate baseload electricity. An ocean thermal energy conversion power plant built by makai ocean engineering went operational in hawaii in august 2015. Tt documents work done by the seri materials, systems analysis, and solar thermal conversion branches on task 3127. The upper layer is warmed by the sun and mixed to depths of about 100 m by wave motion. This is referred to as otec for ocean thermal energy conversion. Marine renewables, also known as ocean energy, refers to a broad range of technologies that extract energy from the ocean.
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. Ocean thermal energy conversion an overview sciencedirect. Download the seminar report for ocean thermal energy. Ocean thermal energy conversion environmental technology. Otec ocean thermal energy conversion works by using the temperature gradients found in large bodies of water, where the temperature of water found on the surface is significantly higher than the cold water found deeper down. Paul rappaport for his encouragement during the initial stages of. Ocean thermal energy conversion otec is a process that employs the. Pdf the ocean thermal energy conversion strategies and.
Since it is an ecofriendly resource, this does not mean that it. Enter your mobile number or email address below and well send you a link to download the free kindle app. Diaz diazb, julia rosa martinez garciab, courtney scarboroughc, patrick green. Pdf experimental ocean thermal energy conversion otec. View ocean thermal energy conversion research papers on academia. There are many different technologies that allow for energy production from the ocean, such as generating energy from waves, tides, and ocean temperatures. Welcome to presentation on seminar topicwelcome to presentation on seminar topic ocean thermal energy conversionocean thermal energy conversion otecotec govt. 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. 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.
New idb report on ocean energy potential in barbados the interamerican development bank idb has published a report on the potential of ocean energy in barbados. It is estimated that, the amount of solar energy absorbed annually by the oceans is equivalent to 4000. Us20070289303a1 heat transfer for ocean thermal energy. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. Reunion island is heavily dependent on fossil fuels, but seeks to become energy selfsufficient by 2025.
Ocean thermal energy conversion simple english wikipedia. Ocean thermal energy conversion systems slideshare. Sep 20, 2012 the ocean thermal energy conversion act of 1980, on august 3, 1980. A free powerpoint ppt presentation displayed as a flash slide show on id. Summary to overcome the limited efficiency of ocean thermal energy conversion otec, particularly in the mid. The governor of hawaii, david ige, flipped the switch to activate the plant. Two major ocean thermal technologies are of interest in hawaii. Us5555838a ocean thermal energy conversion platform. Ocean thermal energy conversion otec is an energy technology that makes use of the oceans temperature difference between the warm surface water and the cold deeper water to drive a turbine connected to a generator to produce electricity. 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. Conceptual design for combined ocean thermal 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. Both rely on the fact that the deep ocean is significantly colder than the tropical surfacenearly 40 degrees fahrenheit colder. The sun shines on the oceans of the world and in the hot parts near the water at the seas surface can be quite warm, sometimes as high as 30c. Between now and the 1990s there is a requirement to. Ocean thermal energy conversion, or otec, uses seawater to turn solar energy into electricity. Ocean thermal energy conversion systems convert the energy available in the temperature gradient of the warm surface. Revisiting ocean thermal energy conversion rod fujitaa,n, alexander c. And getting a right seminar for submission is really a tough task. Ocean thermalenergy conversionotec utilizes the worlds largestsolar radiation collector theocean. Ocean thermal energy conversion makai ocean engineering. One such source of energy is ocean thermal energy conversion otec. For all cbse class 10 science and maths video lectures download the.
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. The ocean contains enoughenergy power all of the worlds otec is a way to generateelectrical needs. Appears that only the closed cycle ccotec and the open ontario separation agreement pdf cycle ocotec schemes. Otec,ocean thermal energy conversion is an energy otech,ocean thermal energy technology that converts solar that converts conversion is an energy technology radiations to electricalto electric power. Ocean thermal energy conversion climate technology. An ocean thermal energy conversion otec is a system of converting thermal energy in electricity by using the temperature difference between warm water at the surface of the ocean and cold water.
With global warming a certainty, it is imperative that we turn to nonpolluting and renewable sources of energy. It is one of the renewable energy resources that do not arise any indeed harmful impact on our environment. 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. Ocean thermal energy conversion otec ote corporation. Otec pdf download this is referred to as otec for ocean thermal energy conversion. Here youll find a collection of information on this historic project, as well as information on otec technology, news, and posts from facility staff. Welcome to the okinawa prefecture deep sea water ocean thermal energy conversion otec demonstration facility. Ocean thermal energy conversion research papers academia. This is the first true closedcycle ocean thermal energy conversion otec plant to be connected to a u. The tropical ocean at a typical otec site has two distinct layers. Ocean thermal energy conversion otec types renewable. 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.
Ocean thermal energy conversion development update. Ocean thermal energy conversion otec is a gamechanging technology that leverages the temperature difference in the ocean between cold deep water and warm surface water in the tropics and subtropics to generate unlimited energy without the use of fossil fuels. Sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report. View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Ocean thermal energy conversion free download as powerpoint presentation. 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 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. 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. Ocean thermal energy conversion otec types renewable energy. Wave energy conversion and ocean thermal energy conversion.
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