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Design and optimization of an MHD energy harvester for intelligent pipe systems

Author(s)
Zhang, Xiaotong(Mechanical engineer).
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Download1201528825-MIT.pdf (16.75Mb)
Alternative title
Design and optimization of an Magnetohydrodynamic energy harvester for intelligent pipe systems
Other Contributors
Massachusetts Institute of Technology. Department of Mechanical Engineering.
Advisor
Kamal Youcef-Toumi.
Terms of use
MIT theses may be protected by copyright. Please reuse MIT thesis content according to the MIT Libraries Permissions Policy, which is available through the URL provided. http://dspace.mit.edu/handle/1721.1/7582
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Abstract
In this thesis, an innovative Magnetohydrodynamic (MHD) energy harvester with the use of the magnetic concentrator is designed and optimized. A theoretical model relating the conductivity of water, magnetic flux density B, flow velocity u and the channel volume to the power output is first established. This leads to the decoupled analysis and simulations of magnetic field and flow field. The prototyped energy harvester without the concentrator achieves a power output of 442 nW, while the power output of the final design with the concentrator is expected to be 718.5 nW. The concept of another MHD energy harvester with a spiral flow diverter is also established with hollow space in the middle of the energy harvester for flow and robots to pass through. It is validated by CFD simulations that the flow velocity in the channel surrounding the hollow area is greatly amplified with the spiral flow diverter. The MHD energy harvester with the concentrators and spiral flow divereter is expected to produce power output of 238.3 nW.
Description
Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, June, 2019
 
Cataloged from PDF version of thesis.
 
Includes bibliographical references (pages 115-118).
 
Date issued
2019
URI
https://hdl.handle.net/1721.1/128331
Department
Massachusetts Institute of Technology. Department of Mechanical Engineering
Publisher
Massachusetts Institute of Technology
Keywords
Mechanical Engineering.

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