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Diffusion-driven flows due to an obstruction layer

Author(s)
Allshouse, Michael R
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Massachusetts Institute of Technology. Dept. of Mechanical Engineering.
Advisor
Thomas Peacock.
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M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
With the confirmation of experiments, two new concepts about diffusion-driven flow are discussed and demonstrated. Although Phillips- Wunsch flow has been shown to exist along sloping boundaries, it is shown here that even an obstruction layer with only vertical walls produces a type of diffusion-driven flow. This is demonstrated through the execution of a dye test. Additionally, the influence that impermeable obstructions have on the density evolution of a stratified fluid is developed theoretically and demonstrated experimentally. With the use of two different types of obstruction layers, the theory is shown to accurately predict the density evolution.
Description
Thesis (S.B.)--Massachusetts Institute of Technology, Dept. of Mechanical Engineering, 2008.
 
Includes bibliographical references (p. 73).
 
Date issued
2008
URI
http://hdl.handle.net/1721.1/45458
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering.

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