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Filtering by: Academic Affiliation Mechanical, Industrial, and Manufacturing Engineering Remove constraint Academic Affiliation: Mechanical, Industrial, and Manufacturing Engineering Decade 2010-2019 Remove constraint Decade: 2010-2019 Resource Type Dissertation Remove constraint Resource Type: Dissertation

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Vortical Structures in Transition to Turbulence through Randomly Packed Porous Media: Scale, Energy, and Mixing Characteristics

Creator:

Mohammadi Ziazi, Reza

Abstract:

Vortical structures are the driving mechanism of transition to turbulence in porous media requiring adequately resolved observations along with analysis of the scale and energy of ﬂow within the pores. Of speciﬁc interest is to understand the vortex dynamics, energy, and turbulent mixing and transport properties in the scale of...

Resource Type:

Dissertation
Assessing Mass Diffusion Modeling in Premixed Flames

Creator:

Fillo, Aaron J.

Abstract:

Implementing multicomponent diffusion in numerical combustion studies is computationally expensive due to the challenges involved in computing diffusion coefficients. As a result, mixture-averaged diffusion treatments or simpler methods are used to avoid these costs. However, the accuracy and appropriateness of the mixture-averaged diffusion model has not been verified for three-dimensional...

Resource Type:

Dissertation
The Team Size Paradox: Knowledge Transfer and Process Loss Effects on Team Formation

Creator:

Méndez-Vázquez, Yaileen M.

Abstract:

Teamwork has become a popular operational strategy applied as part of workforce management plans in manufacturing and service industries. Teamwork has been commonly used in organizations to pursue different goals such as increase business operations agility, boost company productivity, improve quality in operations, increase company flexibility, promote collaborative learning, hasten...

Resource Type:

Dissertation
Orb Web Vibrations: Modeling, Localization, and Measurement

Creator:

Otto, Andrew W.

Abstract:

The orb web is a multipurpose structure---serving as a home for its inhabitant spider, as a prey capture device, and as a physical extension of the spider’s sensing abilities. Biologists are particularly interested in the spider’s ability to locate prey trapped in its web by sensing the vibrations induced from...

Resource Type:

Dissertation
Topological Design Considering Uncertainty and Hyperelasticity

Creator:

Pham, Trung

Abstract:

Topology optimization (TO) is a mathematical method to find the optimal size, shape and connectivity of a domain under specified conditions, and has had many applications in engineering design. However, challenges remain in realizing TO as an effective design tool for many design situations. Uncertainty is ubiquitous in nature and...

Resource Type:

Dissertation
Usage of Digital Image Correlation in Single and Multiple Stereo Systems for Strain and Shape Measurement

Creator:

McKinley, Timothy A.

Abstract:

This dissertation details the application of digital image correlation (DIC) in novel methods for mechanical testing and shape characterization. The first usage manifested in the development of a novel composite test specimen that provided the ability to characterize the matrix compression energy release rate at initiation and subsequent crack propagation....

Resource Type:

Dissertation
Manufacturing Process Design and Electrically-Assisted Embossing of a Microchannel Solar Receiver

Creator:

McNeff, Patrick S.

Abstract:

Manufacturing process design (MPD) represents a design-oriented approach to manufacturing engineering. In this dissertation, Haynes 230 (H230), a solid solution-strengthened Ni-based superalloy, was chosen to meet the material requirements of a microchannel solar receiver (MSR) needed to increase the efficiency and reduce the cost of solar thermal power generation. An...

Resource Type:

Dissertation
Experimental Investigations of the Unsteady Aerodynamics of Oscillating Airfoils Operating in the Energy Harvesting Regime

Creator:

Siala, Firas F.

Abstract:

The rising global trend to reduce dependence on fossil fuels has provided significant motivation toward the development of alternative energy conversion methods and new technologies to improve their efficiency. Recently, oscillating energy harvesters have shown promise as highly efficient and scalable turbines, which can be implemented in areas where traditional...

Resource Type:

Dissertation
Smooth Trajectory Generation for Machine Tools and Industrial Robots

Creator:

Tajima, Shingo

Abstract:

This thesis presents accurate and time-optimal smooth reference trajectory generation techniques for manufacturing equipment such as high-speed machine tools (MT) and industrial robots (IR). Typical machining tool-paths for MTs and IRs are defined as a series of discrete linear moves. Although Point-to-Point (P2P) feed motion can be generated by interpolating...

Resource Type:

Dissertation
The Function-Human Error Design Method (FHEDM)

Creator:

Soria Zurita, Nicolás F.

Abstract:

This research presents a methodology to identify and analyze human-system interactions, and their potential failure modes using a functional decomposition approach during the early system design stage. The fundamental research contribution of this work is the development of a framework to identify associations between physical user-product interactions, generic human errors...

Resource Type:

Dissertation
Design for Clean Technology Adoption: Application of Discrete Choice Analysis and the Theory of Planned Behavior for Development Engineering

Creator:

Pakravan, Mohammad H.

Abstract:

Clean technologies can address multiple challenges associated with climate change, environmental protection, and human health. However, the impact desired by introduction of such technologies is achievable only if new options effectively replace inefficient, conventional practices. This ‘design for adoption’ requires understanding of user motivations, associated beliefs, context of use, and...

Resource Type:

Dissertation
Reliable Integrated Planning: Applications in Hub Network Design and Airline Ground Crew Task Assignment

Creator:

Barahimi, Pouya

Abstract:

In general, making optimal decisions is a never ending challenge that decision makers face. A comprehensive model that integrates decisions at all three levels of decision making (i.e., strategic, tactical, and operational) can help the decision maker to find solutions that best serve the organization's performance. However, as organizations expand...

Resource Type:

Dissertation
Investigation of Thermal Degradation in Structural Alloys for Nuclear Power Systems

Creator:

Teng, Fei

Abstract:

The thermal degradation of structural materials is considered to be a key factor for evaluating the lifetime of current nuclear power plants. Ni-based and Fe-based alloys, such as 690, 625, 304, and 316, are widely used in nuclear industry as structural components due to the extraordinary corrosion resistance and mechanical...

Resource Type:

Dissertation
Geometric Motion Planning for Inertial Systems

Creator:

Faraji, Hossein

Abstract:

In order to enable better visualization and understanding of the effect of the robot's geometry and inertia on the robot's trajectories, this dissertation proposes to use geometric mechanics to bridge the gap between the physical motion of a robot and its mathematical structure. The main focus of this research is...

Resource Type:

Dissertation
Privacy-Sensitive Robotics

Creator:

Rueben, Matthew R.

Abstract:

This dissertation focuses on personal privacy in human-robot interaction, which we call "privacy-sensitive robotics." Our understanding of "privacy" is very broad, including not just information privacy but also physical, psychological, and social privacy. We begin by surveying the scholarly literature on privacy and talking about why it applies to interactions...

Resource Type:

Dissertation
Incremental Forming of Polymers at Room Temperature

Creator:

Davar Panah, Mohammad Ali

Abstract:

Single Point Incremental Forming (SPIF) is a forming process in which a fully clamped sheet is formed by a hemispherical ended tool that moves along a predefined 3D toolpath. The sheet is formed in a series of local deformations to reach its desired shape. Double Sided Incremental Forming (DSIF) includes...

Resource Type:

Dissertation
Numerical Investigation of Unsteady Inertial and Turbulent Flows Through Porous Media: Pore-scale DNS, Flow Analyses and Upscaling

Creator:

He, Xiaoliang

Abstract:

Porous media are the materials containing void space or pores, where fluids and gases can pass through. Unsteady flows in porous media are encountered in many engineering applications and natural problems, such as CO₂ sequestration, high temperature nuclear reactor cooling, high efficiency combustion, chemical reactors, noise reduction on airplane trailing...

Resource Type:

Dissertation
Using Conceptual Change to Improve Lean Implementation Quality

Creator:

Mirdad, Waleed K.

Abstract:

Change initiatives have a 70 percent failure rate, but effective change is necessary if a company is to remain competitive. Current organizational change research around lean process improvement links unsatisfactory implementation results to organizational behaviors, but does not assess how individual cognitive characteristics affect successful lean implementation. Although a range...

Resource Type:

Dissertation
Functional Materials and Techniques for Additive Manufacturing in Soft Robotics

Creator:

Walker, Stephanie

Abstract:

This thesis outlines the development of new elastomeric materials and manufacturing processes for soft robotics. Specifically, this work describes the development of custom material formulations for use in additive manufacturing, additive manufacturing processing techniques for silicone elastomers, and multi-component additive manufacturing techniques. Material synthesis and processing is a gap in...

Resource Type:

Dissertation
Automated decomposition of complex parts for manufacturing with advanced joining processes

Creator:

Massoni, Brandon R.

Abstract:

Recent advancements in joining operations and additive manufacturing now allow complex metal parts to be built up from raw materials, as opposed to being machined down from solid blocks. This not only opens up the design space, but also allows for much more efficient manufacturing. By decomposing a complex part...

Resource Type:

Dissertation

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Academic Affiliation

Mechanical, Industrial, and Manufacturing Engineering[remove]117
Electrical Engineering and Computer Science2
Wood Science and Engineering2
Chemistry1

Advisor

Tumer, Irem Y.7
Logendran, Rasaratnam6
Paul, Brian K.6
Doolen, Toni L.5
Stone, Robert B.5
more Advisors »

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2010 to 2020

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Committee Member

Haapala, Karl16
Porter, David9
Mullet, Kathy8
Kim, David7
Tumer, Kagan7
more Committee Members »

Creator

Shahvari, Omid2
Abate, Andrew M.1
Adam, Benjamin M.1
Alam, Mahabub1
Angelos, Gregory S.1
more Creators »

Contributor

Beardsell, Guillaume1
Blanquart, Guillaume1
Branyan, Callie1
Daalkhaijav, Uranbileg1
Ecker, Lynne1
more Contributors »

Date

Date range begin – Date range end

Current results range from 2010 to 2019

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Decade

2010-2019[remove]117

Degree Field

Mechanical Engineering65
Industrial Engineering39
Robotics13
Materials Science9
Computer Science2
more Degree Fields »

Degree Level

Doctoral117

Degree Name

Doctor of Philosophy (Ph.D.)117

Language

English [eng]117

License

All rights reserved116
Attribution 4.0 (CC BY 4.0)1

Non-Academic Affiliation

Oregon State University. Graduate School81
Oregon State University. Collaborative Robotics and Intelligent Systems (CoRIS) Institute2
Pacific Marine Energy Center1

Peer Reviewed

No117

Resource Type

Dissertation[remove]117

Rights Statement

In Copyright117

Subject

Microreactors5
Engineering design4
Microreactors -- Design and construction4
Multiagent systems4
Business logistics3
more Subjects »

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