While thermal energy storage in the nonresidential building sector has not yet seen widespread use, there are key examples of established technologies. Otec ocean thermal energy conversion by anik samaddar and debanjan paul, me5th semester, academy of technology 2. Otec,ocean thermal energy conversion is an energy technology that converts solar radiations to electrical power ocean thermal energy conversion. Otec systems use the ocean s natural thermal gradientthe fact that the ocean s layers of water have different temperaturesto drive a. The adobe flash plugin is needed to view this content. Waves are generated by the wind as it blows across the sea surface. 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. Before going to the topic of tidal energy, let us know about the basic parameters of tidal energy like about the tides. Electricity generation by the ocean thermal energy. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. The powerpoint template of renewable energy resources gives an option to choose from two slide designs. The benchmarks highlighted in this report all utilize the latent heat of fusion of water ice and snow to store thermal energy either daily or seasonally. Ocean thermal energy conversion energy from the sea dr peter ridd physics department james cook. Ocean thermal energy heat exchanger energy conversion.
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 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. Warm seawater is taken in from the surface of the oceans and cold water from the deep at 5 o. The working fluid in such a cycle will need to have a low boiling point.
Ocean thermal energy conversion otec is a way of getting useful energy from the worlds oceans. Ocean thermal energy conversion, or otec, uses seawater to turn solar energy into electricity. Otec, ocean thermal energy conversion is an energy technology that converts solar radiations to electrical power ocean thermal energy conversion. Ocean thermal energy conversion otec types renewable. A longer, 14minute introduction that includes details of lockheeds otec plant in hawaii and how it was tested. 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. The technological concept to harvest the thermal energy in the ocean is universally. The great ocean conveyor belt is the name for a model of the large system of ocean currents that affects weather and climate by circulating thermal energy around earth. 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.
Power point presentation on ocean thermal energy conversion. Thermal energy and heat jennefer cardenas objectives students will be able to identify and know difference between thermal energy, temperature, and heat. Both rely on the fact that the deep ocean is significantly colder than the tropical surfacenearly 40 degrees fahrenheit colder. In detail otec hydro energy conversion system which uses ocean s natural thermal gradientthe fact that the ocean s layers of water have different temperaturesto run a heat. Ppt ocean thermal energy conversion powerpoint presentation free to download id. Ocean thermal energy conversion otec powerpoint ppt presentation. Students will be able to compare different conductors and insulators. Ocean thermal energy conversion systems slideshare. Ppt ocean thermal energy powerpoint presentation free to.
Download the seminar report for ocean thermal energy. This versatile ppt on nature includes 50 unique slides and 20 premade xml color themes. Sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report. Hawaii first to harness deepocean temperatures for power. This makes them the worlds largest solar energy collector and energy storage system. The renewable energy powerpoint template has colorful slide elements i.
It boasts a competitive advantage over alternative sources of electricity. Ocean thermal energy conversion otec is a method that. Ocean thermal energy full seminar report, abstract and. 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 warm seawater vaporizes the fluid in the heat exchanger which then turns the turbines of the generator. Ocean thermal energy conversion makai ocean engineering. Ocean thermal energy seminar pdf report and ppt study mafia. The oceans cover a little more than 70 percent of the earths surface. The ncert solutions for class 10 science chapter 14 sources of energy are prepared after a lot of research in order to provide the best content possible the questions are provided along with the answers for a better understanding of the concepts. Feb 20, 2016 ocean thermal energy conversion in hindi otec duration. Mpee is defined as being sustainable and technically feasible, given todays stateoftheart ocean energy technology and foreseeable future improvements.
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. Understanding the pros and cons of this alternative renewable energy source can help determine whether it is an option to meet future needs and demands in an environmentally friendly and safe way. Ocean thermal energy conversion technology britannica. And getting a right seminar for submission is really a tough task. Although still at the research and development stage and not yet commercially available, promising. Otec can operate with a very high capacity factor and so can operate in base load mode. Ppt ocean thermal energy conversion otec powerpoint. We have provided wave energy seminar and ppt with pdf report. Otec ocean thermal energy conversion the technology that converts solar radiation into electric power. The low energy conversion efrciency of otec means that more than 90% of the thermal energy extracted from the ocean s surface is wasted and must be rejected to the cold, deep sea water. 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. Its also full of charts, including an excel table, so you can present your data visually. Otec harnesses the solar energy absorbed by the oceans to generate electric power. 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 uses large flows of warm surface seawater and cold deep seawater to generate clean electricity. 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. Thermal power plant is also referred as coal thermal power plant and steam turbine power plant. 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. Ocean thermal energy conversion and how it works jeremy feakins powerpoint ppt presentation. Nonconventional sources of energy are turning out to be extremely important sources of energy for mankind. Ocean thermal energy conversion simple english wikipedia. Ammonia will be used as the working fluid in this cycle.
Otec ocean thermal energy conversion systems use the ocean s natural thermal gradient the fact that the ocean s layers of water have different temperatures to drive a powerproducing cycle. If youre looking for a ppt on nature or plants, consider the green energy ppt on nature template from graphicriver. The ocean is the worlds largest solar collector and can provide huge amount of energy kinetic and thermal which is absolutely clean zero co2 emission, sustainable, strategic, and predictable. Students will be able to compare celsius and fahrenheit. Ocean thermal energy conversion authorstream presentation. Otec or ocean thermal energy conversion, is a renewable energy. Ocean thermal energy just like solar energy is a natural energy and is renewable. 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 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. The ocean thermal extractable energy visualization oteev project focuses on assessing the maximum practicably extractable energy mpee from the ocean thermal resource. Some sources of energy are renewable like sun, wind, flowing water, ocean, wood, biomass etc.
Otec,ocean thermal energy conversion is an energy technology that converts solar radiation to electric power. Ocean thermal energy conversion, which generates power from the temperature difference between warm surface seawater and cold seawater at 8001,000 metres depth. Ppt ocean thermal energy conversion and how it works. 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. Two major ocean thermal technologies are of interest in hawaii. Thermal energy in the ocean american chemical society. This is the first true closedcycle ocean thermal energy conversion otec. Students will be able to identify the 3 ways heat is transferred.
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. Global potentialglobal potential global potential form annual generation tidal energy 300 twh ocean current power 800 twh osmotic power salinity gradient 2,000 twh ocean thermal energy thermal gradient 10,000 twh wave energy 8,00080,000 twh source. Aug 27, 2015 hawaii first to harness deep ocean temperatures for power. A basic 4minute introduction from offshore infrastructure associates, inc, with good animations, based on puerto rico as an example location. 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. Ppt thermal power plant powerpoint presentation free to. In this model, high salinity water cools and sinks in the north atlantic, and deep water returns to the surface in the indian and pacific oceans through upwelling. Download ocean thermal energy complete documentation with. Ocean thermal energy conversion is the property of its rightful owner.
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. Between now and the 1990s there is a requirement to. 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. Ocean energy in india energy from tidal and waves energy. Before going into detail of this topic, we will try to understand the line diagram of electric power generation plant. What is ocean thermal energy conversion 1 what is ocean thermal energy conversion. Transfer of heat heat a form of energy associated with the motion of atoms or molecules. There are many different technologies that allow for energy production from the ocean, such as generating energy from waves, tides, and ocean temperatures. Ocean thermal energy conversion otec, which produces clean baseload 247 renewable energy and fresh drinking water was a perfect match for our venture fund. We develop and coordinate energy systems that harness natural, hightemperature, highpressure geothermal resources used to generate electricity and clean hydrogen. Heat extraction from coldwater sink to condense the working fluid in the condenser. The oceans act as large stores of thermal energy, absorbing about 15% of solar radiant heat. What is ocean thermal energy conversion the oceans cover a little more than 70 percent of the earths surface. 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.
On an average day, 60 million square kilometers 23 million square miles of tropical seas absorb. Introduction covering over 70% of the planets area, the earths oceans could potentially be utilized as a source of virtually inexhaustible renewable energy. Otec, or ocean thermal energy conversion, is an energy technology that converts solar radiation to electric power. 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. Wave energy conversion and ocean thermal energy conversion. Ncert solutions for class 10 science is one of the best study resources created by experienced individuals. Ocean thermal energy conversion otec is a baseload renewable energy source that uses the temperature difference between the warm surface ocean water and the cold deep ocean water to generate electricity. Principle and preliminary calculation of ocean thermal energy. 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. Ncert solutions class 10 science chapter 14 sources of. This resource is for the middle school science classroom.
Otec is applicable to most parts of the worlds deep oceans between 20 o north. Convection currents in air and water doodle sketch notes cover how energy from the sun impacts climate and how convection currents impacts both air and water movement. 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. Tides, waves and currents can be used to produce electricity. One such source of energy is ocean thermal energy conversionotec. The governor of hawaii, david ige, flipped the switch to activate the plant. Ppt what is ocean thermal energy conversion powerpoint. 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. Otec news reports on ocean thermal energy conversion, seawater air conditioning and related technologies. A thermal power station is a power plant in which heat energy is converted to electric power.
The figure shows that the oceans thermal energy gain over the 55year period of measurements is about 24. 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 page contains ocean thermal energy seminar and ppt with pdf report. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical. Ocean thermal energy full seminar reports, pdf seminar abstract, ppt, presentation, project idea, latest.
Ocean thermal energy conversion otec uses the ocean thermal gradient between cooler deep and warmer shallow or surface seawaters to run a heat engine. Ocean thermal energy conversion otec types renewable energy. Download your full reports for ocean thermal energy. Energy from the sun heats the surface water of the. At one point, we all have to make ppt of any topic and submit its report. Some sources of energy are non renewable like coal, petroleum and natural gas. The fact that the marine renewable sector is less well developed than other energy industries presents companies with both opportunities and challenges. 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. Since that time, we have been actively involved in ote, commercializing otec around the world. Ppt ocean thermal energy powerpoint presentation free to download id. A small but operational ocean thermal energy conversion otec plant was inaugurated in hawaii last week, making it the first in the. Cpwr released its quarterly earnings data on thursday, october, 23rd. A free powerpoint ppt presentation displayed as a flash slide show on id. The energy required to move the heating and cooling ocean water through the heat exchangers can be much less than the theoretical energy requirement of 1 kwh for each cubic meter.
Ppt ocean power powerpoint presentation free to download. 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. The ocean contains enoughenergy power all of the worlds otec is a way to generateelectrical needs. Tides are nothing but the waves and these are produced due to the gravitational force of moon and in few. What is otec ocean thermal energy conversion otec is a marine renewable energy technology that harnesses the solar energy absorbed by the oceans to generate electric power.
Ocean thermal energy can easily provide 40 mj of thermal energy to get 1 cubic meter of fresh water. Changes in salinity, thermal gradients, tidal sea level change and currents, or ocean. Find materials for this course in the pages linked along the left. The tropical ocean at a typical otec site has two distinct layers. The cooler deep ocean water can condense the vapor into water. Otec, ocean thermal energy conversion is an energy technology that converts solar radiation to. An ocean thermal energy conversion power plant built by makai ocean engineering went operational in hawaii in august 2015. These segments contain icons illustrating solar, wind power, heat pump, energy storage, hydropower, geothermal, and bioenergy.
It is also described as heat energy transferred from one material to another by direct contact. 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. With global warming a certainty, it is imperative that we turn to nonpolluting and renewable sources of energy. The figure shows the energy content in the top 2000 meters of the ocean and the fraction that is found below 700 meters. 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. The process involved in ocean thermal energy, also known as ocean thermal energy conversion, has both benefits and disadvantages. Alam, mit overview of ocean energy ocean energy is replenished by the sun and through tidal influences of the moon s and. Transferred from higher temperature objects to objects at a lower temperature. Lack of sufficient demonstration of prototypes in the marine environment cost of connecting ocean energy systems to electricity networks impacts on demonstration projects lack of understanding on environmental impacts absence of internationally recognized standards for development, testing and measurement ocean energy technology could. Wave energy seminar pdf report and ppt study mafia. How heat can be transferred conduction convection radiation conduction transfer of heat. Conduction convection radiation conduction heat conduction or thermal conduction is the transfer of thermal energy through matter, from a region of higher temperature to a region of lower temperature, and acts to equalize temperature differences.
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