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Filtrado por: Committee Member Kennedy, Timothy C. Eliminar la restricciónCommittee Member: Kennedy, Timothy C. Degree Field Mechanical Engineering Eliminar la restricciónDegree Field: Mechanical Engineering

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Resultados de la búsqueda

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
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
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
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
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
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
On the lyapunov-based approach to robustness bounds

Creator:

Jo, Jang Hyen

Abstract:

The objective of this investigation is the development of improved techniques for the estimation of robustness for dynamic systems with structured uncertainties, a problem which was approached by application of the Lyapunov direct method. This thesis considers the sign properties of the Lyapunov function derivative integrated along finite intervals of...

Resource Type:

Dissertation
Processing of laser interferometric signals for small displacement measurements

Creator:

Peng, Gwo-sheng

Abstract:

Algorithms for analyzing laser interferometry signals were developed and adopted to the computer based processing of small displacement measurements. These methods, matrix operation approach and fixed parameters approach, are based on signal phase calculation and are able to replace complex fringe counting electronic circuits. The matrix operation provides an approach...

Resource Type:

Dissertation
Robust controller design for robotic manipulators with saturation

Creator:

Liang, Zuyang

Abstract:

The development of modern industries calls for the robotic manipulators with high speed and accurate tracking performance. Many authors have paid attention to robust control of robotic manipulators; however, only few authors have also considered the control problem of manipulators with power limitation. In this dissertation, the robotic manipulator is...

Resource Type:

Dissertation
Creep of Gr/BMI composite laminates in compression

Creator:

Tyagi, Sanjeev R.

Abstract:

The main source of the time-dependent behavior of fiber-reinforced composites is their polymeric matrix, which causes concerns about their long term durability. Although for composites where organic fibers such as Graphite are used, the fibers are also a contributing factor. A composite material may exhibit an appreciable amount of creep,...

Resource Type:

Masters Thesis

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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
más Advisors »

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
más Committee Members »

Creator

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

Date

Date range begin – Date range end

Current results range from 1985 to 2012

View distribution

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

Tipo de recurso

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
más Subjects »

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