buoyancy driven flows

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Buoyancy Driven Flows

Author : Eric Chassignet
ISBN : 9781107008878
Genre : Science
File Size : 55. 40 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.

Buoyancy Driven Flows

Author : Eric Chassignet
ISBN : 9781107079991
Genre : Science
File Size : 51. 10 MB
Format : PDF, ePub, Docs
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Buoyancy is one of the main forces driving flows on our planet, especially in the oceans and atmosphere. These flows range from buoyant coastal currents to dense overflows in the ocean, and from avalanches to volcanic pyroclastic flows on the Earth's surface. This book brings together contributions by leading world scientists to summarize our present theoretical, observational, experimental and modeling understanding of buoyancy-driven flows. Buoyancy-driven currents play a key role in the global ocean circulation and in climate variability through their impact on deep-water formation. Buoyancy-driven currents are also primarily responsible for the redistribution of fresh water throughout the world's oceans. This book is an invaluable resource for advanced students and researchers in oceanography, geophysical fluid dynamics, atmospheric science and the wider Earth sciences who need a state-of-the-art reference on buoyancy-driven flows.

Buoyancy Driven Flows

Author : Eric P. Chassignet
ISBN : 1108446760
Genre : Science
File Size : 68. 43 MB
Format : PDF, Docs
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Buoyancy is one of the main forces driving flows on our planet, especially in the oceans and atmosphere. These flows range from buoyant coastal currents to dense overflows in the ocean, and from avalanches to volcanic pyroclastic flows on the Earth's surface. This book brings together contributions by leading world scientists to summarize our present theoretical, observational, experimental, and modeling understanding of buoyancy-driven flows. Buoyancy-driven currents play a key role in the global ocean circulation and in climate variability through their impact on deep-water formation. Buoyancy-driven currents are also primarily responsible for the redistribution of fresh water throughout the world's oceans. This book is an invaluable resource for advanced students and researchers in oceanography, geophysical fluid dynamics, atmospheric science, and the wider Earth sciences who need a state-of-the-art reference on buoyancy-driven flows.

Transport And Transients In Buoyancy Driven Flows

Author : Diogo Tomás Bolster
ISBN : OCLC:162551019
Genre :
File Size : 71. 96 MB
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Natural and forced displacement ventilation offer promising strategies for cooling buildings in an energy efficient manner. However, there is the issue of whether or not they can provide adequate indoor air quality. Here, we investigate this in two studies - one for passive and the other for particulate contaminants. The complex internal stratification of buoyancy, typical of displacement systems, affects the transport of contaminants in a non trivial manner. While on average traditional and modern low energy ventilation systems are comparable regarding efficiency of contaminant removal, we show that the detailed vertical distribution of contaminants tells quite a different story regarding personal exposure. Further, most previous studies on natural displacement ventilation focus only on steady states, while most true buildings have continuously changing heat loads. Here, two projects on transients in natural displacement ventilation are presented. The first studies the influence of sudden changes in heat loads, while the second focuses on heat sources that vary in a periodic fashion. Many benefits of natural ventilation are observed, including that it is self controlling in a very favorable manner and that a well designed space is capable of handling even very large changes in heat load. This thesis presents a separate investigation of contaminants in coastal aquifers. Due to buoyancy effects, saltwater from the ocean often intrudes into aquifers, which gives rise to a nontrivial flow pattern that is very different from that typical of inland aquifers. Using a simple mathematical model, we investigate the influence of these flow patterns on the transport of conservative contaminants in a coastal aquifer. We find that depending on the specific characteristics of the aquifer that the saltwater intrusion can play a significant role on transport. It forces contaminant towards the upper seaward boundary, thus causing elevated contaminant discharge into the surf zone at beach areas.

Buoyancy Driven Flows And Heat Transfer In Spherical Annular Enclosures

Author : Chandrasekhar Thamire
ISBN : OCLC:39081418
Genre : Fluid mechanics
File Size : 84. 57 MB
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Buoyancy Driven Flows Through Openings

Author : Gavin Miles James Davies
ISBN : OCLC:59607295
Genre : Density currents
File Size : 80. 54 MB
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Buoyancy Driven Flow In Fluid Saturated Porous Media Near A Bounding Surface

Author : Hitoshi Sakamoto
ISBN : MINN:31951P00789523D
Genre :
File Size : 38. 33 MB
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Multidisciplinary Design Approach And Safety Analysis Of Adsr Cooled By Buoyancy Driven Flows

Author : Carlos Alberto Ceballos Castillo
ISBN : 158603720X
Genre : Science
File Size : 46. 58 MB
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"The energy consumption in the world is directly related to the economical growth. The International Energy Agency estimates a doubling increase of electricity demands in the next 25 years (Energy Outlook, 2004). Somehow, this growth must be satisfied without destroying the ecological equilibrium of our planet. For this reason, all sorts of energy resources, which are potential pollutants for the environment are being investigated, and their technologies improved, plus new renewable energies are developed. It is also evident that renewables will take several decades before they are able to substitute the present capacity and even more, to cope with the future energy demands. Nuclear energy is an air pollution free technology with the potential to satisfy the worlds energy demands for many centuries. However, some concerns about the use of nuclear energy have to be further developed in order to recognize nuclear energy as a sustainable option. This book deals with concerns such as the use of nuclear energy for weapons, the risk of accidents with radioactivity release and the waste management."

Modifications To The Simple Method For Buoyancy Driven Flows

Author :
ISBN : OCLC:654174300
Genre :
File Size : 82. 99 MB
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Simulation Of Laminar Buoyancy Driven Flows In An Enclosure

Author : EMEL SELAMET
ISBN : UOM:39015018969199
Genre :
File Size : 75. 52 MB
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rectangular cavity, three cells are found in the wide section.

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