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Ocean thermal energy conversion

Index Ocean thermal energy conversion

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. [1]

126 relations: Abalone, Abidjan, Aluminium, Aluminium oxide, Ammonia, Aquaculture, Arctic, Artificial island, Base load, Biofouling, Bora Bora, Capacity factor, Chlorofluorocarbon, Clam, Convection, Cuba, David Ige, Deep water source cooling, Deepwater drilling, Desalination, Dew point, Diego Garcia, Differential equation, Drinking water, Electric generator, Electricity, Electrolysis, Emerging technologies, Energy Information Administration, Enthalpy, Exponential decay, Fahrenheit, Fisheries management, Frank Kreith, Fresh water, Gas lift, Georges Claude, German battleship Bismarck, Government of India, Guam, Hainan, Hawaii, Hawaii (island), Heat engine, Heat exchanger, Heat pipe, Hydrocarbon, Hydrogen, Ice cap, Indian Ocean, ..., InterContinental, International Seabed Authority, Irrigation, Isentropic process, Ivory Coast, Jacques-Arsène d'Arsonval, Keahole Point, Kilowatt hour, Kona District, Hawaii, Lambert's cosine law, Lobster, Lockheed Martin, Magnesium, Mariculture, Max Jakob Memorial Award, Methane clathrate, Microalgae, Mist lift, National Renewable Energy Laboratory, Natural Energy Laboratory of Hawaii Authority, Nauru, Naval Facilities Engineering Command, Office of Naval Research, Offshore construction, Osmotic power, Oyster, Parasitic loss, Petroleum, Photic zone, Physics, Pressure, Rankine cycle, Refrigerant, Renewable energy, Reversible process (thermodynamics), Saga University, Salmon, Salt, Seawater, Solar irradiance, Specific volume, Spirulina (dietary supplement), Subtropics, Superheating, Surf zone, Surface condenser, Temperate climate, Temperature, Tethys (database), Thermal conduction, Thermal conductivity, Thermal efficiency, Thermoelectric effect, Titanium, Tokyo Electric Power Company, Ton, Trace element, Tropical rainforest climate, Tropics, Trout, Turbine, United Kingdom, United Nations Convention on the Law of the Sea, United States Department of Energy, United States Navy, Uranium, Vacuum pump, Vapor, Vapor pressure, Vapor quality, Water chlorination, Water turbine, Watt, Wave power, Wired (magazine), 1,1,1,2-Tetrafluoroethane. Expand index (76 more) »

Abalone

Abalone (or; via Spanish abulón, from Rumsen aulón) is a common name for any of a group of small to very large sea snails, marine gastropod molluscs in the family Haliotidae.

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Abidjan

Abidjan is the economic capital of Côte d'Ivoire and is one of the most populous French-speaking cities in Africa.

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Aluminium

Aluminium or aluminum is a chemical element with symbol Al and atomic number 13.

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Aluminium oxide

Aluminium oxide (British English) or aluminum oxide (American English) is a chemical compound of aluminium and oxygen with the chemical formula 23.

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Ammonia

Ammonia is a compound of nitrogen and hydrogen with the formula NH3.

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Aquaculture

Aquaculture (less commonly spelled aquiculture), also known as aquafarming, is the farming of fish, crustaceans, molluscs, aquatic plants, algae, and other organisms.

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Arctic

The Arctic is a polar region located at the northernmost part of Earth.

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Artificial island

An artificial island or man-made island is an island that has been constructed by people rather than formed by natural means.

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Base load

The base load on a grid is the minimum level of demand on an electrical grid over a span of time, for example, one week.

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Biofouling

Biofouling or biological fouling is the accumulation of microorganisms, plants, algae, or animals on wetted surfaces.

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Bora Bora

Bora Bora (French: Bora-Bora, Tahitian: Pora Pora) is a island group in the Leeward group in the western part of the Society Islands of French Polynesia, an overseas collectivity of France in the Pacific Ocean.

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Capacity factor

The net capacity factor is the unitless ratio of an actual electrical energy output over a given period of time to the maximum possible electrical energy output over that period.

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Chlorofluorocarbon

Chlorofluorocarbons (CFCs) are fully halogenated paraffin hydrocarbons that contain only carbon (С), chlorine (Cl), and fluorine (F), produced as volatile derivative of methane, ethane, and propane.

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Clam

Clam is a common name for several kinds of bivalve molluscs.

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Convection

Convection is the heat transfer due to bulk movement of molecules within fluids such as gases and liquids, including molten rock (rheid).

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Cuba

Cuba, officially the Republic of Cuba, is a country comprising the island of Cuba as well as Isla de la Juventud and several minor archipelagos.

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David Ige

David Yutaka Ige (born January 15, 1957) is an American politician serving as the 8th and current Governor of Hawaii since 2014.

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Deep water source cooling

Deep water source cooling (DWSC) or deep water air cooling is a form of air cooling for process and comfort space cooling which uses a large body of naturally cold water as a heat sink.

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Deepwater drilling

Deepwater drilling, or Deep well drilling, is the process of creating holes by drilling rig for oil mining in deep sea.

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Desalination

Desalination is a process that extracts mineral components from saline water.

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Dew point

The dew point is the temperature to which air must be cooled to become saturated with water vapor.

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Diego Garcia

Diego Garcia is an atoll just south of the equator in the central Indian Ocean, and the largest of 60 small islands comprising the Chagos Archipelago.

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Differential equation

A differential equation is a mathematical equation that relates some function with its derivatives.

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Drinking water

Drinking water, also known as potable water, is water that is safe to drink or to use for food preparation.

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Electric generator

In electricity generation, a generator is a device that converts motive power (mechanical energy) into electrical power for use in an external circuit.

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Electricity

Electricity is the set of physical phenomena associated with the presence and motion of electric charge.

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Electrolysis

In chemistry and manufacturing, electrolysis is a technique that uses a direct electric current (DC) to drive an otherwise non-spontaneous chemical reaction.

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Emerging technologies

Emerging technologies are technologies that are perceived as capable of changing the status quo.

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Energy Information Administration

The U.S. Energy Information Administration (EIA) is a principal agency of the U.S. Federal Statistical System responsible for collecting, analyzing, and disseminating energy information to promote sound policymaking, efficient markets, and public understanding of energy and its interaction with the economy and the environment.

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Enthalpy

Enthalpy is a property of a thermodynamic system.

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Exponential decay

A quantity is subject to exponential decay if it decreases at a rate proportional to its current value.

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Fahrenheit

The Fahrenheit scale is a temperature scale based on one proposed in 1724 by Dutch-German-Polish physicist Daniel Gabriel Fahrenheit (1686–1736).

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Fisheries management

Fisheries management is the activity of protecting fishery resources so sustainable exploitation is possible, drawing on fisheries science, and including the precautionary principle.

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Frank Kreith

Frank Kreith (15 December 1922 – 8 January 2018), American Society of Mechanical Engineers (ASME).

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Fresh water

Fresh water (or freshwater) is any naturally occurring water except seawater and brackish water.

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Gas lift

Gas lift or Bubble pumps use the artificial lift technique of raising a fluid such as water or oil by introducing bubbles of compressed air, water vapor or other vaporous bubbles into the outlet tube.

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Georges Claude

Georges Claude (24 September 187023 May 1960) was a French engineer and inventor.

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German battleship Bismarck

Bismarck was the first of two s built for Nazi Germany's Kriegsmarine.

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Government of India

The Government of India (IAST), often abbreviated as GoI, is the union government created by the constitution of India as the legislative, executive and judicial authority of the union of 29 states and seven union territories of a constitutionally democratic republic.

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Guam

Guam (Chamorro: Guåhån) is an unincorporated and organized territory of the United States in Micronesia in the western Pacific Ocean.

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Hainan

Hainan is the smallest and southernmost province of the People's Republic of China (PRC), consisting of various islands in the South China Sea.

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Hawaii

Hawaii (Hawaii) is the 50th and most recent state to have joined the United States, having received statehood on August 21, 1959.

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Hawaii (island)

Hawaiʻi is the largest island located in the U.S. state of Hawaii.

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Heat engine

In thermodynamics, a heat engine is a system that converts heat or thermal energy—and chemical energy—to mechanical energy, which can then be used to do mechanical work.

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Heat exchanger

A heat exchanger is a device used to transfer heat between two or more fluids.

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Heat pipe

A heat pipe is a heat-transfer device that combines the principles of both thermal conductivity and phase transition to effectively transfer heat between two solid interfaces.

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Hydrocarbon

In organic chemistry, a hydrocarbon is an organic compound consisting entirely of hydrogen and carbon.

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Hydrogen

Hydrogen is a chemical element with symbol H and atomic number 1.

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Ice cap

An ice cap is a mass of ice that covers less than 50,000 km2 of land area (usually covering a highland area).

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Indian Ocean

The Indian Ocean is the third largest of the world's oceanic divisions, covering (approximately 20% of the water on the Earth's surface).

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InterContinental

InterContinental Hotels & Resorts has over 180 hotels, located in more than 60 countries across the globe.

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International Seabed Authority

The International Seabed Authority (ISA) (Autorité internationale des fonds marins, Autoridad Internacional de los Fondos Marinos) is an intergovernmental body based in Kingston, Jamaica, that was established to organize, regulate and control all mineral-related activities in the international seabed area beyond the limits of national jurisdiction, an area underlying most of the world’s oceans.

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Irrigation

Irrigation is the application of controlled amounts of water to plants at needed intervals.

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Isentropic process

In thermodynamics, an isentropic process is an idealized thermodynamic process that is both adiabatic and reversible.

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Ivory Coast

Ivory Coast, also known as Côte d'Ivoire and officially as the Republic of Côte d'Ivoire, is a sovereign state located in West Africa.

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Jacques-Arsène d'Arsonval

Jacques-Arsène d'Arsonval (June 8, 1851 – December 31, 1940) was a French physician, physicist, and inventor of the moving-coil D'Arsonval galvanometer and the thermocouple ammeter.

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Keahole Point

Keāhole Point is the westernmost point of the island of Hawaii.

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Kilowatt hour

The kilowatt hour (symbol kWh, kW⋅h or kW h) is a unit of energy equal to 3.6 megajoules.

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Kona District, Hawaii

Kona is a moku or district on the Big Island of Hawaiokinai in the State of Hawaii.

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Lambert's cosine law

In optics, Lambert's cosine law says that the radiant intensity or luminous intensity observed from an ideal diffusely reflecting surface or ideal diffuse radiator is directly proportional to the cosine of the angle θ between the direction of the incident light and the surface normal.

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Lobster

Lobsters comprise a family (Nephropidae, sometimes also Homaridae) of large marine crustaceans.

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Lockheed Martin

Lockheed Martin is an American global aerospace, defense, security and advanced technologies company with worldwide interests.

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Magnesium

Magnesium is a chemical element with symbol Mg and atomic number 12.

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Mariculture

Mariculture is a specialized branch of aquaculture involving the cultivation of marine organisms for food and other products in the open ocean, an enclosed section of the ocean, or in tanks, ponds or raceways which are filled with seawater.

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Max Jakob Memorial Award

The Max Jakob Memorial Award recognizes an 'eminent scholarly achievement and distinguished leadership' in the field of heat transfer.

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Methane clathrate

Methane clathrate (CH4·5.75H2O) or (4CH4·23H2O), also called methane hydrate, hydromethane, methane ice, fire ice, natural gas hydrate, or gas hydrate, is a solid clathrate compound (more specifically, a clathrate hydrate) in which a large amount of methane is trapped within a crystal structure of water, forming a solid similar to ice.

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Microalgae

Microalgae or microphytes are microscopic algae, typically found in freshwater and marine systems, living in both the water column and sediment.

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Mist lift

The Mist lift, Mist flow or Steam lift pump is a gas lift technique of lifting water used in a form of Ocean Thermal Energy Conversion (OTEC) where water falls to operate a hydro-electric turbine.

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National Renewable Energy Laboratory

The National Renewable Energy Laboratory (NREL), located in Golden, Colorado, specializes in renewable energy and energy efficiency research and development.

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Natural Energy Laboratory of Hawaii Authority

The Natural Energy Laboratory of Hawaii Authority (NELHA) administers the Hawaii Ocean Science and Technology Park (HOST Park).

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Nauru

Nauru (Naoero, or), officially the Republic of Nauru (Repubrikin Naoero) and formerly known as Pleasant Island, is an island country in Micronesia, a subregion of Oceania, in the Central Pacific.

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Naval Facilities Engineering Command

The Naval Facilities Engineering Command (NAVFAC) is the United States Navy's engineering command, committed to the Navy's and United States Marine Corps' combat readiness.

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Office of Naval Research

The Office of Naval Research (ONR) is an organization within the United States Department of the Navy that coordinates, executes, and promotes the science and technology programs of the U.S. Navy and Marine Corps through schools, universities, government laboratories, nonprofit organizations, and for-profit organizations.

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Offshore construction

Offshore construction is the installation of structures and facilities in a marine environment, usually for the production and transmission of electricity, oil, gas and other resources.

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Osmotic power

Osmotic power, salinity gradient power or blue energy is the energy available from the difference in the salt concentration between seawater and river water.

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Oyster

Oyster is the common name for a number of different families of salt-water bivalve molluscs that live in marine or brackish habitats.

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Parasitic loss

Parasitic loss is that which a parasite consumes from its host, for whom the loss may or may not be beneficial.

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Petroleum

Petroleum is a naturally occurring, yellow-to-black liquid found in geological formations beneath the Earth's surface.

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Photic zone

The photic zone, euphotic zone (Greek for "well lit": εὖ "well" + φῶς "light"), or sunlight or (sunlit) zone is the uppermost layer of water in a lake or ocean that is exposed to intense sunlight.

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Physics

Physics (from knowledge of nature, from φύσις phýsis "nature") is the natural science that studies matterAt the start of The Feynman Lectures on Physics, Richard Feynman offers the atomic hypothesis as the single most prolific scientific concept: "If, in some cataclysm, all scientific knowledge were to be destroyed one sentence what statement would contain the most information in the fewest words? I believe it is that all things are made up of atoms – little particles that move around in perpetual motion, attracting each other when they are a little distance apart, but repelling upon being squeezed into one another..." and its motion and behavior through space and time and that studies the related entities of energy and force."Physical science is that department of knowledge which relates to the order of nature, or, in other words, to the regular succession of events." Physics is one of the most fundamental scientific disciplines, and its main goal is to understand how the universe behaves."Physics is one of the most fundamental of the sciences. Scientists of all disciplines use the ideas of physics, including chemists who study the structure of molecules, paleontologists who try to reconstruct how dinosaurs walked, and climatologists who study how human activities affect the atmosphere and oceans. Physics is also the foundation of all engineering and technology. No engineer could design a flat-screen TV, an interplanetary spacecraft, or even a better mousetrap without first understanding the basic laws of physics. (...) You will come to see physics as a towering achievement of the human intellect in its quest to understand our world and ourselves."Physics is an experimental science. Physicists observe the phenomena of nature and try to find patterns that relate these phenomena.""Physics is the study of your world and the world and universe around you." Physics is one of the oldest academic disciplines and, through its inclusion of astronomy, perhaps the oldest. Over the last two millennia, physics, chemistry, biology, and certain branches of mathematics were a part of natural philosophy, but during the scientific revolution in the 17th century, these natural sciences emerged as unique research endeavors in their own right. Physics intersects with many interdisciplinary areas of research, such as biophysics and quantum chemistry, and the boundaries of physics are not rigidly defined. New ideas in physics often explain the fundamental mechanisms studied by other sciences and suggest new avenues of research in academic disciplines such as mathematics and philosophy. Advances in physics often enable advances in new technologies. For example, advances in the understanding of electromagnetism and nuclear physics led directly to the development of new products that have dramatically transformed modern-day society, such as television, computers, domestic appliances, and nuclear weapons; advances in thermodynamics led to the development of industrialization; and advances in mechanics inspired the development of calculus.

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Pressure

Pressure (symbol: p or P) is the force applied perpendicular to the surface of an object per unit area over which that force is distributed.

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Rankine cycle

The Rankine cycle is a model used to predict the performance of steam turbine systems.

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Refrigerant

A refrigerant is a substance or mixture, usually a fluid, used in a heat pump and refrigeration cycle.

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Renewable energy

Renewable energy is energy that is collected from renewable resources, which are naturally replenished on a human timescale, such as sunlight, wind, rain, tides, waves, and geothermal heat.

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Reversible process (thermodynamics)

In thermodynamics, a reversible process is a process whose direction can be "reversed" by inducing infinitesimal changes to some property of the system via its surroundings, with no increase in entropy.

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Saga University

; abbreviated as or, is a national university in Saga, Saga Prefecture, Japan.

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Salmon

Salmon is the common name for several species of ray-finned fish in the family Salmonidae.

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Salt

Salt, table salt or common salt is a mineral composed primarily of sodium chloride (NaCl), a chemical compound belonging to the larger class of salts; salt in its natural form as a crystalline mineral is known as rock salt or halite.

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Seawater

Seawater, or salt water, is water from a sea or ocean.

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Solar irradiance

Solar irradiance is the power per unit area received from the Sun in the form of electromagnetic radiation in the wavelength range of the measuring instrument.

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Specific volume

In thermodynamics, the specific volume of a substance is the ratio of the substance's volume to its mass.

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Spirulina (dietary supplement)

Spirulina represents a biomass of cyanobacteria (blue-green algae) that can be consumed by humans and other animals.

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Subtropics

The subtropics are geographic and climate zones located roughly between the tropics at latitude 23.5° (the Tropic of Cancer and Tropic of Capricorn) and temperate zones (normally referring to latitudes 35–66.5°) north and south of the Equator.

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Superheating

In physics, superheating (sometimes referred to as boiling retardation, or boiling delay) is the phenomenon in which a liquid is heated to a temperature higher than its boiling point, without boiling.

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Surf zone

As ocean surface waves come closer to shore they break, forming the foamy, bubbly surface called surf.

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Surface condenser

A surface condenser is a commonly used term for a water-cooled shell and tube heat exchanger installed on the exhaust steam from a steam turbine in thermal power stations.

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Temperate climate

In geography, the temperate or tepid climates of Earth occur in the middle latitudes, which span between the tropics and the polar regions of Earth.

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Temperature

Temperature is a physical quantity expressing hot and cold.

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Tethys (database)

Tethys is an online knowledge management system that provides the marine renewable energy (MRE) and offshore wind (OSW) energy communities with access to information and scientific literature on the environmental effects of devices.

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Thermal conduction

Thermal conduction is the transfer of heat (internal energy) by microscopic collisions of particles and movement of electrons within a body.

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Thermal conductivity

Thermal conductivity (often denoted k, λ, or κ) is the property of a material to conduct heat.

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Thermal efficiency

In thermodynamics, the thermal efficiency (\eta_ \) is a dimensionless performance measure of a device that uses thermal energy, such as an internal combustion engine, a steam turbine or a steam engine, a boiler, furnace, or a refrigerator for example.

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Thermoelectric effect

The thermoelectric effect is the direct conversion of temperature differences to electric voltage and vice versa via a thermocouple.

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Titanium

Titanium is a chemical element with symbol Ti and atomic number 22.

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Tokyo Electric Power Company

, also known as or TEPCO, is a Japanese electric utility holding company servicing Japan's Kantō region, Yamanashi Prefecture, and the eastern portion of Shizuoka Prefecture.

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Ton

The ton is a unit of measure.

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Trace element

A trace element is a chemical element whose concentration (or other measure of amount) is very low (a "trace amount").

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Tropical rainforest climate

A tropical rainforest climate, also known as an equatorial climate, is a tropical climate usually (but not always) found along the equator.

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Tropics

The tropics are a region of the Earth surrounding the Equator.

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Trout

Trout is the common name for a number of species of freshwater fish belonging to the genera Oncorhynchus, Salmo and Salvelinus, all of the subfamily Salmoninae of the family Salmonidae.

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Turbine

A turbine (from the Latin turbo, a vortex, related to the Greek τύρβη, tyrbē, meaning "turbulence") is a rotary mechanical device that extracts energy from a fluid flow and converts it into useful work.

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United Kingdom

The United Kingdom of Great Britain and Northern Ireland, commonly known as the United Kingdom (UK) or Britain,Usage is mixed with some organisations, including the and preferring to use Britain as shorthand for Great Britain is a sovereign country in western Europe.

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United Nations Convention on the Law of the Sea

The United Nations Convention on the Law of the Sea (UNCLOS), also called the Law of the Sea Convention or the Law of the Sea treaty, is the international agreement that resulted from the third United Nations Conference on the Law of the Sea (UNCLOS III), which took place between 1973 and 1982.

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United States Department of Energy

The United States Department of Energy (DOE) is a cabinet-level department of the United States Government concerned with the United States' policies regarding energy and safety in handling nuclear material.

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United States Navy

The United States Navy (USN) is the naval warfare service branch of the United States Armed Forces and one of the seven uniformed services of the United States.

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Uranium

Uranium is a chemical element with symbol U and atomic number 92.

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Vacuum pump

A vacuum pump is a device that removes gas molecules from a sealed volume in order to leave behind a partial vacuum.

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Vapor

In physics a vapor (American) or vapour (British and Canadian) is a substance in the gas phase at a temperature lower than its critical temperature,R.

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Vapor pressure

Vapor pressure or equilibrium vapor pressure is defined as the pressure exerted by a vapor in thermodynamic equilibrium with its condensed phases (solid or liquid) at a given temperature in a closed system.

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Vapor quality

In thermodynamics, vapour quality is the mass fraction in a saturated mixture that is vapour; i.e. saturated vapour has a "quality" of 100%, and saturated liquid has a "quality" of 0%.

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Water chlorination

Water chlorination is the process of adding chlorine or hypochlorite to water.

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Water turbine

A water turbine is a rotary machine that converts kinetic energy and potential energy of water into mechanical work.

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Watt

The watt (symbol: W) is a unit of power.

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Wave power

Wave power is the capture of energy of wind waves to do useful work – for example, electricity generation, water desalination, or pumping water.

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Wired (magazine)

Wired is a monthly American magazine, published in print and online editions, that focuses on how emerging technologies affect culture, the economy, and politics.

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1,1,1,2-Tetrafluoroethane

1,1,1,2-Tetrafluoroethane (also known as norflurane (INN), R-134a, Freon 134a, Forane 134a, Genetron 134a, Florasol 134a, Suva 134a, or HFC-134a) is a haloalkane refrigerant with thermodynamic properties similar to R-12 (dichlorodifluoromethane) but with insignificant ozone depletion potential and a somewhat lower global warming potential (1,430, compared to R-12's GWP of 10,900).

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Closed cycle ocean thermal energy conversion, OTEC, Ocean Thermal Energy Conversion, Ocean thermal energy, Ocean thermal energy converter.

References

[1] https://en.wikipedia.org/wiki/Ocean_thermal_energy_conversion

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