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Filtering by: Advisor Liburdy, James A. Remove constraint Advisor: Liburdy, James A. Degree Field Mechanical Engineering Remove constraint Degree Field: Mechanical Engineering Degree Name Master of Science (M.S.) Remove constraint Degree Name: Master of Science (M.S.) Language English [eng] Remove constraint Language: English [eng]

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Effect of Active Trailing Edge Motion Upon Airfoil Energy Harvester

Creator:

Strahl, Jordan D.

Abstract:

The application of a flapping foil with prescribed trailing edge motion to energy harvesting in a low reduced frequency (k = fc/U∞) regime was experimentally studied. The effects of the phase and amplitude of the applied trailing edge motion upon time-variant power extraction capability have been measured and are interpreted....

Resource Type:

Masters Thesis
Leading Edge Separation Analysis of Oscillating Airfoil Energy Harvesters

Creator:

Ngo, Vickie

Abstract:

Oscillating foil energy harvesters are analyzed at optimal reduced frequencies (𝑘=𝑓𝑐/𝑈) to determine how the leading edge radius of curvature affects leading edge separation. The understanding of leading edge separation and its behaviors is critical to predicting the transient lift profile of an airfoil. The separation is therefore also critical...

Resource Type:

Masters Thesis
Lift and drag characteristics of flexible pitching and heaving wings

Creator:

Rushen, Jesse

Abstract:

There is a pressing need for Micro Air Vehicles (MAV) that are light, powerful, and efficient to perform military reconnaissance missions and search and rescue operations. These MAVs have length scales on the order of 10 cm, where traditional steady flight wing designs perform poorly. An alternative flight mechanism is...

Resource Type:

Masters Thesis
Heat transfer during the piston-cylinder expansion of a gas

Creator:

Rodrigues, Matthew Jose

Abstract:

The expansion of a gas within a piston-cylinder arrangement is studied in order to obtain a better understanding of the heat transfer which occurs during this process. While the situation of heat transfer during the expansion of a gas has received considerable attention, the process is still not very well...

Resource Type:

Masters Thesis
The experimental characterization of membrane behavior in two-phase gas extraction

Creator:

Cappello, Nicholas C.

Abstract:

Understanding the behavior of hydrophobic membranes is important for applications where separating a gas from a liquid-gas mixture is beneficial. For example, in-situ vapor extraction can be used in microscale heat sinks to improve heat transfer and flow stability. In this study, gas is experimentally evaluated flowing through flexible polytetrafluoroethylene...

Resource Type:

Masters Thesis
Effects of orifice geometry and surface boundary condition on heat transfer of impinging jet array

Creator:

Kanokjaruvijit, Koonlaya.

Abstract:

The effects of the orifice geometry and the surface boundary condition on the heat transfer distribution to a flat surface of an impinging jet array were investigated. The jet array impinged normally onto the surface which was either isothermal or had a uniform heat flux. The experiments were performed for...

Resource Type:

Masters Thesis
A study of the characteristics of oscillatory surface instabilities leading to droplet formation

Creator:

Daniels, Brian J.

Abstract:

The characteristics of the free surface in an orifice driven by a periodic forcing function have been studied both theoretically and experimentally. In the theoretical study, two wall boundary condition cases were examined: 1) the radial velocity at the wall of the orifice is zero; and 2) the axial velocity...

Resource Type:

Masters Thesis
Flow characteristics of semi-confined impinging jet arrays

Creator:

Dano, Bertrand P. E.

Abstract:

The present study proposes to investigate the flow structure of different arrays of jets impinging on a flat surface enclosed by three walls, creating a channel that forces the air to leave in one preferential direction, generating a self sustain crossflow. Details of both the mean and some turbulence quantities...

Resource Type:

Masters Thesis
The effects of pulsing and blowing ratio on a 45° inclined jet in cross flow

Creator:

Stander, Arjan

Abstract:

The effect of jet flow pulsing and blowing ratio on a jet in cross flow has been investigated. Preliminary jet flow studies were performed without cross flow and an extensive study of jet with cross flow was done for a total of nine test cases. The effect of velocities ratios...

Resource Type:

Masters Thesis
A study of solidification dynamics with liquid mass influx

Creator:

Thirunavukarasu, Balamurugesh

Abstract:

A computational model is developed to study the effects of alumina layer formation on an ablative surface when exposed to high temperature particle laden gas flow. The solidification dynamics i.e., the solid and liquid alumina layer growth rate, and the heat transferred to the ablative surface are investigated. A one-dimensional...

Resource Type:

Masters Thesis

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Academic Affiliation

Mechanical Engineering10
Mechanical, Industrial, and Manufacturing Engineering9

Advisor

Liburdy, James A.[remove]19
Pence, Deborah V.4

Commencement Year

Commencement Year range begin – Commencement Year range end

Current results range from 2000 to 2022

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Committee Member

Narayanan, Vinod5
Pence, Deborah V.5
Apte, Sourabh V.2
Cozzi, Elaine2
Pence, Deborah2
more Committee Members »

Creator

Cappello, Nicholas C.1
Daniels, Brian J.1
Dano, Bertrand P. E.1
Edward, Lee M.1
Hawke, Shane R.1
more Creators »

Contributor

Liburdy, James A.1

Date

Date range begin – Date range end

Current results range from 2000 to 2022

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Decade

2020-20292
2010-20195
2000-200912

Degree Field

Mechanical Engineering[remove]19

Degree Level

Master's19

Degree Name

Master of Science (M.S.)[remove]19

File Format

application/pdf1

Language

English [eng][remove]19

License

All rights reserved13

Non-Academic Affiliation

Oregon State University. Graduate School17

Peer Reviewed

No19

Resource Type

Masters Thesis19

Rights Statement

In Copyright18
Copyright Not Evaluated1

Subject

Microfluidics4
Heat -- Transmission3
Jets -- Fluid dynamics3
Atomization2
Drag (Aerodynamics)2
more Subjects »

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