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Numerical models to simulate underwater turbine noise levels

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Date Issued:
2012
Summary:
This work incorporates previous work done by Guerra and the application of fluid dynamics. The structure attached to the turbine will cause unsteady fluctuations in the flow, and ultimately affect the acoustic pressure. The work of Guerra is based on a lot of assumptions and simplifications to the geometry of the turbine and structure. This work takes the geometry of the actual turbine, and uses computational fluid dynamic software to numerically model the flow around the turbine structure. Varying the angle of the attack altered the results, and as the angle increased the noise levels along with the sound pulse, and unsteady loading increased. Increasing the number of blades and reducing the chord length both reduced the unsteady loading.
Title: Numerical models to simulate underwater turbine noise levels.
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Name(s): Lippert, Renee'.
College of Engineering and Computer Science
Department of Ocean and Mechanical Engineering
Type of Resource: text
Genre: Electronic Thesis Or Dissertation
Date Issued: 2012
Publisher: Florida Atlantic University
Physical Form: electronic
Extent: xi, 110 p. : ill. (some col.)
Language(s): English
Summary: This work incorporates previous work done by Guerra and the application of fluid dynamics. The structure attached to the turbine will cause unsteady fluctuations in the flow, and ultimately affect the acoustic pressure. The work of Guerra is based on a lot of assumptions and simplifications to the geometry of the turbine and structure. This work takes the geometry of the actual turbine, and uses computational fluid dynamic software to numerically model the flow around the turbine structure. Varying the angle of the attack altered the results, and as the angle increased the noise levels along with the sound pulse, and unsteady loading increased. Increasing the number of blades and reducing the chord length both reduced the unsteady loading.
Identifier: 820359196 (oclc), 3355622 (digitool), FADT3355622 (IID), fau:3948 (fedora)
Note(s): by Renee' Lippert.
Thesis (M.S.C.S.)--Florida Atlantic University, 2012.
Includes bibliography.
Mode of access: World Wide Web.
System requirements: Adobe Reader.
Subject(s): Underwater acoustics -- Mathematical models
Turbines -- Vibration -- Mathematical models
Fluid dynamics
Persistent Link to This Record: http://purl.flvc.org/FAU/3355622
Use and Reproduction: http://rightsstatements.org/vocab/InC/1.0/
Host Institution: FAU