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. 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 is a method that employs naturally occurring temperature differences between warm surface water and colder deep. Ocean thermal energy conversion engineering university of. 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. Ocean thermal energy conversion 1 ocean thermal energy conversion pierre cannon sumon nandy amy nandy december 18, 2009 2 problem statement, mission. Ocean thermal energy conversion produces energy from temperature differences in ocean waters. This type of renewable energy has been shown as three times more stable than solar or wind power. Thermal energy geothermal, ocean thermal radiant energy solar chemical energy oil, coal, gas, biomass nuclear energy uranium, thorium 6 sustainable energy fall 2010 conversion. A basic 4minute introduction from offshore infrastructure associates, inc, with good animations, based on puerto rico as an example location.
Otec ocean thermal energy conversion was first proposed in 1881. Otec international llc a leader in ocean thermal energy conversion commercialization author. A signircant fraction of solar radiation incident on the ocean is retained by seawater in tropical. Ocean thermal energy conversion research papers academia. Ocean thermal energy conversion development update.
If you need to print pages from this book, we recommend downloading it as a pdf. Numerous and frequentlyupdated resource results are available from this search. Ocean thermal energy conversion otec generates electricity indirectly from solar energy by harnessing the temperature difference between the sunwarmed. One potential method of extracting this energy is ocean thermal energy conversion otec. It is estimated that, the amount of solar energy absorbed annually by the oceans is equivalent to 4000. Front matter selected issues of the ocean thermal energy.
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. A tenfold increase in geothermal energy use is foreseeable at the current technology level. Sumit thakur mechanical ocean thermal energy seminar and ppt with pdf report. Taylor in his book alternative energy sources adam hilger, 1983. Ocean thermal energy conversion technology britannica. Parsons august 1984 to be presented at the asme winter meeting new orleans, louisiana 9 14 december 1984 prepared under task no. This text presents the scientific principles and development potential of ocean thermal energy conversion the use of cold water effluent as an alternative source of power. An alternative resource for the 21st century provides a readable and coherent account of all facets of geothermal energy development and summarizes the present day knowledge on geothermal resources, their exploration and exploitation. Ocean thermal energy conversion otec uses large flows of warm surface seawater and cold deep seawater to generate clean electricity.
In particular, the first three of these have had programmes to develop the required technology. Ocean thermal energy conversion otec is a marine renewable energy technology that harnesses the solar energy absorbed by the oceans to generate electric power. Hover over each location pin for details regarding ocean thermal energy corporation projects around the world. Principle and preliminary calculation of ocean thermal energy. Nonconventional sources of energy are turning out to be extremely important sources of energy for mankind. Wave energy conversion and ocean thermal energy conversion. One such source of energy is ocean thermal energy conversionotec. Introducing the worlds largest ocean thermal energy conversion power plant. It is one of the renewable energy resources that do not arise any indeed harmful impact on our environment. The originality of this multidisciplinary book is to offer a broad spectrum of knowledge from. Between now and the 1990s there is a requirement to.
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. The tropical ocean at a typical otec site has two distinct layers. Marine renewable energy is a significant resource for generating electricity, and if some conversion technologies have already reached a certain level of maturity, others are emerging. 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. A bibliography of 148 references on otec is given for the time period 1975 to 1980. Fundamentals of ocean renewable energy sciencedirect. A longer, 14minute introduction that includes details of lockheeds otec plant in hawaii and how it was tested. Process and technology status ocean thermal energy conversion. Ocean thermal energy conversion otec types renewable. Ocean thermal energy conversion, or otec, uses seawater to turn solar energy into electricity. 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. The model was applied to discharges from a 40mwsub e otec plant into. 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.
Reliable information about the coronavirus covid19 is available from the world health organization current situation, international travel. A clean, renewable energy source that provides baseload power without impacting the environment, regardless of seasonal weather conditions, does. Ocean thermal energy conversion otec is a way of getting useful energy from the worlds oceans. This paper presents different roots of ocean thermal energy conversion otec strategies and challenges faced in terms of efficiency and economy of otec plants. Ocean thermalenergy conversion otec is a novel alternative energy technology that has created much interest in a number of countries. 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. This book is an invaluable resource for students at graduate and senior undergraduate level engineering ocean, mechanical, and civil and oceanography with prior knowledge of fluid mechanics and. It is based on techniques that exploit heat produced by solar energy that may, in turn, be used to produce fuel and electricity. 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 makai ocean engineering.
Ocean thermal energy conversion an overview sciencedirect. 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. Pdf the ocean thermal energy conversion strategies and. Predictable and continuous, the energy produced in this way is particularly environment. 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. 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. This month i would like to tell you about a form of generating electricity that is used throughout the world, but not on a large scale.
View ocean thermal energy conversion research papers on academia. And getting a right seminar for submission is really a tough task. Ocean thermal energy conversion simple english wikipedia. A threedimensional, limitedarea model was developed to investigate the regional influence of the farfield effluent plume created by the negatively buoyant discharge. Pdf this paper presents different roots of ocean thermal energy conversion otec strategies and challenges faced in terms of efficiency. 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. Cost effective otec ocean thermal energy conversion.
Entries are arranged alphabetically according to the authors. What you need to know about otec ocean thermal energy conversion. First introduced in 1881, otec has been described as an effective and renewable energy source. In a closedcycle otec facility, both the warm and cold seawater pass through heat exchangers which transfer heat.
At one point, we all have to make ppt of any topic and submit its report. Marine renewable energy handbook wiley online books. The two types of otec system open and closed are described and limitations are pointed out. Unfortunately, this book cant be printed from the openbook. 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. Modeling the physical and biochemical influence of ocean. The technological concept to harvest the thermal energy in the ocean is universally called ocean thermal energy conversion otec.
Ocean thermal energy conversion otec plants discharge large volumes of cold water into the upper ocean. Oclcs webjunction has pulled together information and resources to assist library staff as they consider how to handle coronavirus. Ppt what is ocean thermal energy conversion powerpoint. However, most interest has been centred in the usa, where the current. Im talking about geothermal electricity production and. Ocean thermal energy conversion plant is a combination of marine waters and power generation. Ocean thermal energy conversion otec is a process that can produce electricity by using the temperature difference between deep cold ocean. Finally, case studies of ocean energy sites and devices allow for a better understanding of how ocean energy conversion works in realworld settings. One source, ocean thermal energy conversion, has virtually unlimited potential. One such source of energy is ocean thermal energy conversion otec. 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.
View enhanced pdf access article on wiley online library html view download pdf for offline viewing. Ocean thermal energy conversion otec is considered as a promising resource of energy in the future. Abstract ocean thermal energy conversion otec is the use of a high surface temperature. 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. With global warming a certainty, it is imperative that we turn to nonpolluting and renewable sources of energy. Energy conversion takahashi, patrick, trenka, andrew on.
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