Analysis of ultimate heat sink cooling ponds

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Division of Engineering, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission, Available from GPO Sales Program, Division of Technical Information and Document Control, U.S. Nuclear Regulatory Commission, National Technical Information Service , Washington, D.C, Springfield, Va
Heat sinks (Electronics), Evaporation (Meteorology) -- Computer programs, Cooling ponds -- Climatic factors, Evaporation control -- Computer pro
StatementR. Codell, W.K. Nuttle
ContributionsNuttle, W. K., U.S. Nuclear Regulatory Commission. Office of Nuclear Reactor Regulation. Division of Engineering
The Physical Object
Paginationix, 105 p. :
ID Numbers
Open LibraryOL14989924M

Analysis of Ultimate Heat Sink Cooling Ponds Paperback – by U.S. Nuclear Regulatory Commission (Author) See all formats and editions Hide other formats and editions. Price New from Used from Paperback, Author: U.S.

Nuclear Regulatory Commission. Analysis of ultimate heat sink cooling ponds. Washington, D.C.: Division of Engineering, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission: Available from GPO Sales Program, Division of Technical Information and Document Control, U.S.

Nuclear Regulatory Commission ; Springfield, Va.: National Technical Information. Analysis of ultimate-heat-sink spray ponds. Washington, D.C.: Division of Engineering, Office of Nuclear Reactor Regulation, U.S. Nuclear Regulatory Commission: Available from GPO Sales Program, Division of Technical Information and Document Control, U.S.

Nuclear Regulatory Commission ; Springfield, Va.: National Technical Information.

Description Analysis of ultimate heat sink cooling ponds EPUB

Ultimate Heat Sink Cooling Pond and Spray Pond Analysis Models}, author = {Codell, R. and Nuttle, W.K.}, abstractNote = {Three programs model performance of an ultimate heat sink cooling pond.

National Weather Service data is read and analyzed to predict periods of lowest cooling performance and highest evaporative loss.

A program of measurement on a Battelle-Northwest (BNW) spray pond has been completed to prove an integrated instrumentation system for application in future field experiments. The measurement programs in the field will produce data of relevance to the design and understanding of performance for.

Analysis of Ultimate-Heat-Sink Spray Ponds (NUREG) [NRC Staff: United States Nuclear Regulat] on *FREE* shipping on qualifying offers. This report develops models which can be utilized in the design of certain types of spray ponds used in ultimate heat sinks at nuclear power plants.

The ultimate heat sink is defined as the complex of cooling-water sources necessary to safely shut down and cool down a nuclear power plant. Cooling ponds, spray ponds, and mechanical draft cooling towers are some examples of the types of ultimate heat sinks in use :   Analysis of Ultimate-Heat-Sink Spray Ponds The ultimate heat sink is defined as the complex of Analysis of ultimate heat sink cooling ponds book sources necessary to safely shut down and cool down a nuclear power plant.

Cooling ponds, spray ponds, and mechanical draft cooling towers are some examples of the types of Pages: Buy Thermal performance and water utilization measurement on ultimate heat sinks - cooling ponds and spray ponds by R.

Details Analysis of ultimate heat sink cooling ponds EPUB

K Hadlock (ISBN:) from Amazon's Book Store. Review and evaluation of information on the thermal performance of ultimate heat sinks: Spray ponds and cooling ponds. This report is concerned with the use of the atmosphere as the ultimate heat sink and an isolated cooling pond as the intermediate thermal sink.

ECONOMIC ANALYSIS OF POWER PLANTS WITH COOLING PONDS The economic analysis of power plant construction and operation is a well developed subject (See, for example, Ref.

29). R°F 10 15 Spray ponds have become an attractive method of providing the “ultimate heat sink”, i.e., the assured means of dissipating heat from a nuclear power plant. Two redundant spray ponds were the choice for this service in the Rancho Seco Nuclear Generating Station owned by Cited by: 2.

Water cooling is a method of heat removal from components and industrial equipment. Water may be a more efficient heat transfer fluid where air cooling is ineffective. In most occupied climates water offers the thermal conductivity advantages of a liquid with unusually high specific heat capacity and the option of evaporative cooling.

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Low cost often allows rejection as waste after a single use. Spray ponds are generally used for small heat rejection requirements, such as the ultimate heat sink for nuclear power stations, whereas spray canals are gen- erally used for power plant waste heat rejection.

An example of a spray pond system is the ultimate heat. Unlike a conventional spray pond in which spray nozzles are arranged in a flat bed and water is sprayed upward, the Oriented Spray Cooling System (OSCS) is an evolutionary spray pond design in which nozzles are mounted on spray trees arranged in a circle and are tilted at an angle oriented towards the center of the circle.

The CFD analysis of cooling ability of a passive cooling system to remove the residual heat from pool of CAP were performed by Ye et al. [7]. All investigations demonstrate that the analysis.

The best design when considering thermal safety margin and cost is the heat pipe cooling MW; 1, heat pipe modules; water temperature will reach to peak 68 °C after 75 hours, and will be. Scenarios of Terrorists Attack on Spent Fuel.

Potential scenarios that can lead to loss of spent fuel cooling caused by loss of cooing water inventory sufficient to interrupt heat transfer to the cooling system or result in uncover of the fuel and by failure of cooling system pumps and heat exchangers to transfer heat from the pool to the ultimate heat sink.

The Fukushima Daiichi Nuclear Power Plant comprised six separate boiling water reactors originally designed by General Electric (GE) and maintained by the Tokyo Electric Power Company (TEPCO). At the time of the Tōhoku earthquake on 11 MarchReactors 4, 5, and 6 were shut down in preparation for re-fueling.

However, their spent fuel pools still required nates: 37°25′17″N °1′57″E / °N. Also, the plant design of units 5 – 8 does not require outside power to circulate water. They have steam turbines that can use decay heat to generate enough power in an emergency to circulate water.

The ultimate problem here was the loss of the “ultimate heat sink”, in this case the ocean. They had no way to circulate water.

Heat transfer through a surface like a wall can be calculated as. q = U A dT (1) where. q = heat transfer (W (J/s), Btu/h) U = overall heat transfer coefficient (W/(m 2 K), Btu/(ft 2 h o F)).

A = wall area (m 2, ft 2). dT = (t 1 - t 2) = temperature difference over wall (o C, o F)The overall heat transfer coefficient for a multi-layered wall, pipe or heat exchanger - with fluid flow on each.

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A wide range of home goods from generators to rugs to furniture and bedding, are just a mouse click away. Full text of "Hanbook Of Heat Transfer Applications Second Edition" See other formats. Water pollution control criteria Natural waters and wastewaters are characterized in terms of their physical, chemical and biological composition.

The principal physical properties and the chemical and biological constituents of wastewater and their sources are a lengthy list, reported in a textbook by Metcalf and Eddy (). The facility consists of two electric-generating units, which share a closed-cycle recirculating cooling reservoir for heat dissipation.

The Main Cooling Reservoir (MCR) associated with the STPEGS is a 7,acre off-channel reservoir which is capable of containingacre-feet of cooling water at its maximum operating level. Advanced Complex Analysis - Part 2: Compactness of Meromorphic Functions in the Spherical Metric, Spherical Derivative, Normality, Theorems of Marty-Zalcman-Montel-Picard-Royden-Schottky Mathematics Dr.

T.E. Venkata Balaji. The "cold sink" - the night sky, because it's IR opaque, will act like a black body with a temperature above the cosmic background temp. Heat rejected upwards is going to be related to something like: {integral of dT/dz}^4*{integral of de/dz}, e being emissivity in IR, z being height from.

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Evaporation is the main cooling mechanism for ponds and lakes. Surface convection heat transfer and longwave radiation may heat or cool the water body depending on the relative temperatures of the water body surface and the surroundings.

As the colder weather approaches, the top layers begin to cool, become more dense, and sink. This. Depending on a variety of factors, such as average ambient temperature and annual rainfall, settling and cooling ponds may require between and acre for each ton of daily P 2 O 5 capacity.

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