buoyancy driven flows

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Buoyancy Driven Flows

Author : Eric Chassignet
ISBN : 9781107008878
Genre : Science
File Size : 90. 57 MB
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"This book summarizes present understanding of buoyancy-driven flows for advanced students and researchers in oceanography, geophysical fluid dynamics, atmospheric science, and Earth science"--Provided by publisher.

Transient Buoyancy Driven Flows In Multi Storey Buildings

Author : Marina Economidou
ISBN : OCLC:930656007
Genre :
File Size : 39. 32 MB
Format : PDF
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Buoyancy Driven Flows And Heat Transfer In Spherical Annular Enclosures

Author : Chandrasekhar Thamire
ISBN : OCLC:39081418
Genre : Fluid mechanics
File Size : 38. 55 MB
Format : PDF
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On Buoyancy Driven Flow In Porous Media Motivated By The Energy Industry

Author : William John Rayward-Smith
ISBN : OCLC:890151794
Genre :
File Size : 58. 99 MB
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Buoyancy Driven Flow Excursions In Fuel Assemblies Revision 1

Author :
ISBN : OCLC:68395298
Genre :
File Size : 35. 72 MB
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A power limit criterion was developed for a postulated Loss of Pumping Accident (LOPA) in one of the recently shut down heavy water production reactors at the Savannah River Site. These reactors were cooled by recirculating heavy water moderator downward through channels in cylindrical fuel tubes. Powers were limited to safeguard against a flow excursion in one or more of these parallel channels. During full-power operation, limits safeguarded against a boiling flow excursion. At low flow rates, during the addition of emergency cooling water, buoyant forces reverse the flow in one of the coolant channels before boiling occurs. As power increases beyond the point of flow reversal, the maximum wall temperature approaches the fluid saturation temperature, and a thermal excursion occurs. The power limit criterion for low flow rates was the onset of flow reversal. To determine conditions for flow reversal, tests were performed in a mock-up of a fuel assembly that contained two electrically heated concentric tubes surrounded by three flow channels. These tests were modeled using a finite difference thermal-hydraulic code. According to code calculations, flow reversed in the outer flow channel before the maximum wall temperature reached the local fluid saturation temperature. Thermal excursions occurred when the maximum wall temperature approximately equaled the saturation temperature. For a postulated LOPA, the flow reversal criterion for emergency cooling water addition was more limiting than the boiling excursion criterion for full power operation. This criterion limited powers to 37% of the limiting power for previous long-term reactor operations.

Modeling The Buoyancy Driven Flow Due To River Discharge On The Texas Louisiana Continental Shelf Of The Gulf Of Mexico

Author : Yao-Tsai Lo
ISBN : OCLC:43522049
Genre :
File Size : 82. 2 MB
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Buoyancy Driven Flows Through Openings

Author : Gavin Miles James Davies
ISBN : OCLC:59607295
Genre : Density currents
File Size : 89. 22 MB
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