Mar 01, 2017 paper presentation on ocean thermal energy presented by department of mechanical engineering. Otec utilizes the difference in temperature between warm, surface seawater and cold, deep seawater to produce electricity. The stored thermal energy in the top meter depth is more than two years of delivered solar energy, at 100 % conversion efficiency, the stored energy is sufficient for 10,000 years of human use. Unlike wind or solar energy, ocean thermal energy is available throughout the day, thus eliminating the need to store energy. Even though the concept is simple and old for almost one century, during last three decades, it has gained momentum due to worldwide search for a clean, continuous energy source to replace the fossil fuels.
In 1950 he was released from prison, with acknowledgment of his research on ocean thermal energy conversion. Ocean thermal energy conversion authorstream presentation. Advantages and limitations of ocean thermal energy conversion. Ammonia will be used as the working fluid in this cycle. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. The stored thermal energy is completely renewable so that ocean thermal energy use will not reduced the stored energy quantity. Ocean thermalenergy conversion article about ocean thermal. Makais ocean thermal energy conversion otec power plant. Cost effective otec ocean thermal energy conversion. This makes them the worlds largest solar energy collector and energy storage system. Ocean thermal energy conversion otec types renewable.
A basic 4minute introduction from offshore infrastructure associates, inc, with good animations, based on puerto rico as an example location. Hover over each location pin for details regarding ocean thermal energy corporation projects around the world. The ocean contains enoughenergy power all of the worlds otec is a way to generateelectrical needs. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical. 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. Coastal response research center 2010 national oceanic and atmospheric administration noaa ocean thermal energy conversion. Many oceans are very deep and the water at depths of 1,000 meters can be around 5 c. Ocean thermal energy energy is available from the ocean by tapping ocean currents using the ocean as a heat engine tidal energy wave energy energy from ocean currents ocean currents flow at a steady velocity place turbines in these currents like the gulf stream that operate just like wind turbines water is more than 800 times denser than air, so for the same surface area. Worlds best powerpoint templates crystalgraphics offers more powerpoint templates than anyone else in the world, with over 4 million to choose from. Renewable, reliable power renewable and reliable alternative energy is a critical need as the worlds oil supplies are depleted. Mar 10, 2015 here we are giving you ocean thermal energy seminar and ppt with pdf report.
Ocean thermalenergy conversion article about ocean. Wave energy seminar pdf report and ppt study mafia. The wind fieldreturns some of the energy to the ocean inthe form of. Ocean thermal energy conversion otec paper presentation. Welcome to presentation on seminar topicwelcome to presentation on seminar topic ocean thermal energy conversionocean thermal energy conversion otecotec govt. Cbse class 10 science sources of energy we will understand how the temperature difference between the water levels of the ocean can be used to generate electricity. Ocean thermal energy conversion makai ocean engineering. Ppt ocean power powerpoint presentation free to download. In 1881,jacques arsene darsonval a french physicist has proposed tapping thermal energy from ocean.
A longer, 14minute introduction that includes details of lockheeds otec plant in hawaii and how it was tested. As the ocean covers 70% of the earth surface, this makes it the worlds largest solar energy collector. 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. Principle and preliminary calculation of ocean thermal energy. Pdf the ocean thermal energy conversion strategies and. On an average day, 60 million square kilometers 23 million square miles of tropical seas absorb. Up to 88,000 twhyr of power could be generated from otec without affecting the ocean s thermal structure. Implementation otec utilizes the temperature difference that exists between deep and shallow waters within 20 of the equator in the tropics to run a heat engine as the oceans are continually heated by the sun and cover nearly 70% of the earths surface, this temperature difference contains a vast amount of solar. Find out information about ocean thermalenergy conversion. Ppt ocean thermal energy conversion powerpoint presentation free to download id. 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.
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. Theyll give your presentations a professional, memorable appearance the kind of sophisticated look that todays audiences expect. The difference in temperature between the surface and the lower water layer can be as large as 50. Enter your mobile number or email address below and well send you a link to download the free kindle app. View ocean thermal energy conversion research papers on academia. Ppt what is ocean thermal energy conversion powerpoint. 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.
The conversion of energy arising from the temperature difference between warm surface water of oceans and cold deepocean current into electrical energy or. 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. It boasts a competitive advantage over alternative sources of electricity. Winner of the standing ovation award for best powerpoint templates from presentations magazine.
Ocean thermalenergy conversionotec utilizes the worlds largestsolar radiation collector theocean. Closed cycle ocean thermal energy conversion systems use a working fluid with a low boiling point, ammonia for example, and use it to power a turbine to generate electricity. 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 produce useful work, usually in the form of electricity. This video is a part of the series for cbse class 10, physics demo videos for the chapter sources of energy. Ocean thermal energy conversion otec is a way of getting useful energy from the worlds oceans. 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. Here we are giving you ocean thermal energy seminar and ppt with pdf report. Warm seawater is taken in from the surface of the oceans and cold water from the deep at 5 o.
The worlds oceans serve as a huge collector of heat energy. How to use the advanced regulator ocean thermal energy. Find out information about ocean thermal energy conversion. A new rankine power cycle utilising a combination of ocean thermal energy and geothermal waste energy is proposed and thus called a geotec geo ocean thermal energy conversion power cycleplant.
Some of the energy isreemitted to the atmosphere to drive thehydrologic cycle and wind. When otec is implemented in 5 % of the earth surface area which is 7% of the ocean covered area,less than 15 % of the tropical ocean area, the 3% conversion efficiency will be sufficient to provide energy at 0. 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 ocean thermal energy energy is available from the ocean by tapping ocean currents using the ocean as a heat engine tidal energy wave energy. Otec can operate with a very high capacity factor and so can operate in base load mode the denser cold water masses, formed by ocean surface water interaction. 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 the worlds oceans constitute a vast natural reservoir for receiving and storing heat energy from the sun. Otec,ocean thermal energy conversion is an energy technology that converts solar radiation to electric power. Ocean thermal energy conversion research papers academia. Revisit ocean thermal energy conversion system springerlink.
Ocean thermal energy energy is available from the ocean by tapping ocean currents using the ocean as a heat engine tidal energy wave energy energy from ocean currents ocean currents flow at a steady velocity place turbines in these currents like the gulf stream that operate just like wind turbines water is more than 800 times denser than air, so for the same surface area, water moving 12. We discuss and share a variety of topics related to the global power industry. All you need to do is just click on the download link and get it. The oceans collect a huge amount of the worlds heat energy. Ocean thermal energy conversion the large ocean surface acts as a reservoir of solar energy. Otec plants pump large quantities of deep cold seawater and surface seawater to run a power cycle and produce electricity. Otec systems use the ocean s natural thermal gradientthe fact that the ocean s layers of water have different temperaturesto drive a powerproducing cycle.
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. In short, ocean waves will move a wec and that motion drives a generator that creates electricity. First introduced in 1881, otec has been described as an effective and renewable energy source. Otec, or ocean thermal energy conversion, is an energy technology that converts solar radiation to electric power. 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 is a process using the heat energy that is stored in the ocean. Principle and preliminary calculation of ocean thermal. Introduction history how does it work in real life. 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. 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. Abstract ocean thermal energy conversion otec is the use of a high surface temperature of the water with the low temperature of the water at a certain depth thus creating a heat engine.
Solar energy istransmitted through the atmosphere andefficiently collected and stored in thesurface layer of the ocean, largely in thetropical zone. The adobe flash plugin is needed to view this content. The governor of hawaii, david ige, flipped the switch to activate the plant. We have provided wave energy seminar and ppt with pdf report. Actual ocean thermal energy conversion efficiency at any location is likely to be around 3 %. The oceans cover a little more than 70 percent of the earths surface. In particular, the first three of these have had programmes to develop the required technology. There are many benefits to otec, but there is also some cons. How machines take this motion of lowspeed ocean waves with high energy content and convert them into the highspeed motion required for generators is not fully understood. Ocean thermal energy conversion technology britannica.
The pros are otec is fuel free, has a low environmental impact, can supply pure water for both drinking and agriculture, can supply refrigeration and. Ocean thermal energy conversion plants exploits this difference in temperature. Download the seminar report for ocean thermal energy. Waves are generated by the wind as it blows across the sea surface. Then you can start reading kindle books on your smartphone, tablet, or computer. Ocean thermal energy conversion 1 ocean thermal energy conversion pierre cannon sumon nandy amy nandy december 18, 2009 2 problem statement, mission. This group is the default community for every energy central registered member. 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. Power point presentation on ocean thermal energy conversion. Ocean thermal energy conversion otec utilizes the thermal gradient available in the ocean to operate a heat engine to produce work output. 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. The warm seawater vaporizes the fluid in the heat exchanger which then turns the turbines of the. An ocean thermal energy conversion power plant built by makai ocean engineering went operational in hawaii in august 2015. Wave energy conversion and ocean thermal energy conversion potential in developing member countries.
Overall, ocean thermal energy conversion is a great possible way to produce clean renewable energy without any harmful emissions. Wave energy conversion and ocean thermal energy conversion. Ocean thermal energy conversion energy and the environment. 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, 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. Ocean thermal energy conversion otec types renewable energy. The conversion of energy arising from the temperature difference between warm surface water of oceans and cold deep ocean current into electrical energy or. 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. Due to the high heat capacity of water, the, water near the surface is maintained at significant higher temperatures than water at greater depth.
This wave energy can be harnessed to power electric generator ocean thermal energy the water at the surface of the sea or ocean is heated by the sun while the water in deeper sections is relatively cold. It is estimated that, the amount of solar energy absorbed annually by the oceans is equivalent to 4000. Ocean thermal energy conversion linkedin slideshare. A new rankine power cycle utilising a combination of ocean thermal energy and geothermal waste energy is proposed and thus called a geotec geoocean thermal energy conversion power cycleplant.
Ocean thermal energy conversion otec is a process which utilizes the heat energy stored in the tropical ocean. 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. Ocean thermal energy conversion plant is a combination of marine waters and power generation. Ocean thermal energy conversion simple english wikipedia. Oceanthermalenergy conversion plants exploits this difference in temperature. 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. Otec,ocean thermal energy conversion is an energy technology that converts solar radiations to electrical power ocean thermal energy conversion. Jan 29, 2018 cbse class 10 science sources of energy we will understand how the temperature difference between the water levels of the ocean can be used to generate electricity. Energy conversion takahashi, patrick, trenka, andrew on. Ocean thermal energy ppt and seminar free download. Via a technology called ocean thermal energy conversion, the temperature difference can be turned into electricity. 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. This is the first true closedcycle ocean thermal energy conversion otec plant to be connected to a u. What is ocean thermal energy conversion 1 what is ocean thermal energy conversion.
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