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Filtering by: Dspace Collection Electronic Theses and Dissertations Remove constraint Dspace Collection: Electronic Theses and Dissertations Committee Member Kennedy, Timothy C. Remove constraint Committee Member: Kennedy, Timothy C. Degree Field Mechanical Engineering Remove constraint Degree Field: Mechanical Engineering

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Numerical study of natural convection in square partitioned and non-partitioned enclosures

Creator:

Sukkaset, Prasart

Abstract:

Heat transfer characteristics and associated temperature and flow fields for natural convection in two-dimensional, square, partitioned and non-partitioned enclosures have been determined for Grashof numbers ranging from 10³ to 10⁶. The vertical side walls of the enclosure are isothermal with all other surfaces assumed to be adiabatic. An adiabatic partition...

Resource Type:

Dissertation

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, and hence the heat transfer coefficients, were determined using Mach-Zehnder interferometry. These
Wind turbulence input model for horizontal axis wind turbines

Creator:

Lin, Shuh-ren

Abstract:

In order to estimate wind turbine residL2;characteristics in the presence of atmospheric turbulence, the important atmospheric sources for the force excitations felt by the wind turbine system must be identified and characterized. The goal of this research is to develop the wind turbulence input model for horizontal axis wind turbines....

Resource Type:

Dissertation

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is no easy task since these forces and moments represent integrated effects along each of the wind
Derivation and automatic generation of Kane's dynamical equations for mechanical manipulators

Creator:

Nie, Tinglin

Abstract:

To design and precisely control a manipulator requires developing an efficient dynamic model of the system. The present work demonstrates how this can be accomplished by employing Kane's dynamical equations. First, a detailed manual derivation of the equations of motion for a particular robot is presented in such way that...

Resource Type:

Dissertation

Full Text:

wish to dedicate this dissertation to my wife, Junxi Wang, and my daughter, Molly Nie, whose love
Response of guyed offshore towers to stochastic loads in the presence of steady current

Creator:

Brynjolfsson, Sigurdur

Abstract:

The validity of the widely used stochastic linearization method for analysing the response of guyed towers to stochastic loads is investigated. The governing equations of a guyed tower have two main sources of nonlinearities, fluid-structure interaction and the restoring force of the cables. In this study, two models are considered....

Resource Type:

Dissertation

Full Text:

, (38) X (t), is to lump the area under the PSD curve at equal frequency intervals dw and let these
The application of a band variable-inertia flywheel to an urban transit bus

Creator:

Moosavi-Rad, Hamid

Abstract:

This dissertation investigates by means of computer simulation the potential of a Band Variable-Inertia Flywheel (BVIF) to store energy for an urban transit bus. Replacing both a fixed-inertia flywheel (FIF) and a continuously variable transmission (CVT), the Band Variable-Inertia Flywheel is capable of accelerating a vehicle from rest to a...

Resource Type:

Dissertation

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editing this dissertation. Finally, I owe my parents and family special gratitude for their perpetual
An experimental study of natural convection from protruding arrays on a vertical plate with and without an opposing wall for various fluids

Creator:

Lin, Peng-cheng

Resource Type:

Dissertation

Full Text:

an array of simulated electronic components. These components were fixed on a vertical wall and were
Design of a mechanically assisted dependent transfer mechanism for use on board commercial aircraft

Creator:

Gibson, Brenton D.

Abstract:

Business and recreation in the modern day world often include air travel as their cornerstone. Travelers who are disabled and wheelchair bound have to undergo a transfer process to board and deplane a commercial aircraft. This transfer process is typically done manually, with agents physically lifting the passenger who is...

Resource Type:

Masters Thesis

Full Text:

, gates need to be made, carry‐ons need to be stowed, and seats need to be taken. These tasks may
Mechanical linkage design for haptic rehabilitation and development of fine motor skills

Creator:

Streng, B. Taylor

Abstract:

Thousands of children and adults suffer from fine motor skill deficits due to developmental disabilities or brain trauma. In order to acquire or reclaim these precision motor movements, occupational therapists work closely with each patient to develop the muscle memory required for completing tasks such as handwriting or drawing. Although...

Resource Type:

Masters Thesis

Full Text:

wrists [3]. These types of fine movements require acute coordination between muscles, tendons, and
Distortion-induced fatigue cracking of girder-to-crossbeam connection

Creator:

Aljutaili, Dhari S.

Abstract:

Oregon Department of Transportation’s bridge no. 9743b is a multi-span, two-girder steel deck bridge connecting the busy interstates 5 and 205. Vertical cracks have been detected in the welded girder-to-crossbeam connections at the bents. Distortion-induced fatigue is suspected to be responsible for the cracking. Linear elastic beam analysis, 2-D and...

Resource Type:

Masters Thesis

Full Text:

four retrofit methods depending on the severity and size of the cracks. These methods were in the
Mechanical characterization of a simple gel in a prototype device that models a degenerative intervertebral disc

Creator:

Cenar, Yannick

Abstract:

A large part of low-back pain occurrences are due to disc herniation or prolapse of the nucleus pulposus. An alternative technique to existing treatments of low back pain includes nucleus pulposus replacement by an artificial material to relieve pain and restore normal function. To date, there has been a deficiency...

Resource Type:

Masters Thesis

Full Text:

have given me these past few months it will be forever appreciated. Your casual attitude and

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Academic Affiliation

Mechanical Engineering21
Mechanical, Industrial, and Manufacturing Engineering3

Advisor

Wolff, Ernest G.4
Paasch, Robert K.3
Bay, Brian K.2
Ge, Ping2
Leonard, John W.2
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Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 1985 to 2012

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Committee Member

Kennedy, Timothy C.[remove]24
Smith, Charles E.4
Robinson, Alan H.3
Warnes, William H.3
Wilson, Robert E.3
more Committee Members »

Creator

Alhajeri, Saleh N.1
Aljutaili, Dhari S.1
Berbinau, Pierre J.1
Brynjolfsson, Sigurdur1
Cenar, Yannick1
more Creators »

Date

Date range begin – Date range end

Current results range from 1985 to 2012

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Decade

2010-20191
2000-20097
1990-199910
1980-19896

Degree Field

Mechanical Engineering[remove]24

Degree Level

Doctoral14
Master's10

Degree Name

Doctor of Philosophy (Ph.D.)14
Master of Science (M.S.)10

File Format

application/pdf2

Language

English [eng]24

License

All rights reserved7

Non-Academic Affiliation

Oregon State University. Graduate School24

Peer Reviewed

No23

Resource Type

Dissertation14
Masters Thesis10

Rights Statement

Copyright Not Evaluated16
In Copyright8

Subject

Laminated materials -- Testing2
Lyapunov functions2
Adaptive control systems1
Airplanes -- Control systems1
Airplanes -- Materials -- Testing1
more Subjects »

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