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Articles 1 - 30 of 37
Full-Text Articles in Physical Sciences and Mathematics
Dynamics And Scaling Of Particle Streaks In High-Reynolds-Number Turbulent Boundary Layers, Tim Berk, Filippo Coletti
Dynamics And Scaling Of Particle Streaks In High-Reynolds-Number Turbulent Boundary Layers, Tim Berk, Filippo Coletti
Mechanical and Aerospace Engineering Faculty Publications
Inertial particles in wall-bounded turbulence are known to form streaks, but experimental evidence and predictive understanding of this phenomenon is lacking, especially in regimes relevant to atmospheric flows. We carry out wind tunnel measurements to investigate this process, characterizing the transport of microscopic particles suspended in turbulent boundary layers. The friction Reynolds number Re𝜏 = O(104) allows for significant scale separation and the emergence of large-scale motions, while the range of viscous Stokes number St+ = 18–870 is relevant to the transport of dust and fine sand in the atmospheric surface layer. We …
Fluted Films, Nathan B. Spiers, Mohammad M. Mansoor, Jesse Belden, Randy Craig Hurd, Zhao Pan, Tadd T. Truscott
Fluted Films, Nathan B. Spiers, Mohammad M. Mansoor, Jesse Belden, Randy Craig Hurd, Zhao Pan, Tadd T. Truscott
Mechanical and Aerospace Engineering Faculty Publications
This paper is associated with a poster winner of a 2017 APS/DFD Milton van Dyke Award for work presented at the DFD Gallery of Fluid Motion. The original poster is available from the Gallery of Fluid Motion, https://doi.org/10.1103/APS.DFD.2017.GFM.P0030
Visualization And 3d Printing Of A 3d Solar Tracker Model Using Mayavi And Pov-Ray, Aditya Mehra
Visualization And 3d Printing Of A 3d Solar Tracker Model Using Mayavi And Pov-Ray, Aditya Mehra
All Graduate Plan B and other Reports, Spring 1920 to Spring 2023
In this work, we have created a realistic model of a solar tracker using Mayavi: 3D scientific data visualization and plotting in Python, Enthought Canopy:a comprehensive Python analysis environment and Persistence of Vision Ray Tracer, or POV-Ray, a ray tracing program which generates photo-realistic images from a text-based scene description, a model of the solar tracker was also 3D printed.
Investigating The Effect Of Carbon Nanotube Functionalization In A Polydimethylsiloxane Composite Through Use Of A Stepped Bar Apparatus, Matthew I. Ralphs
Investigating The Effect Of Carbon Nanotube Functionalization In A Polydimethylsiloxane Composite Through Use Of A Stepped Bar Apparatus, Matthew I. Ralphs
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Thermal interface materials (TIMs) are used in transporting heat away from a circuit or electronic module. Composite materials are a popular research area for TIMs because they allow the desired properties to be joined in a composite to take advantage of the best properties from all the constituents involved. The composite selected for this study uses carbon nanotubes (CNT) as the filler and an elastomeric polymer for the matrix, specifically a multiwalled carbon nanotube (MWCNT) / polydimethylsiloxane (PDMS) composite. This study looks at chemical modification (functionalization) of the CNTin an effort to produce a better bond between the CNT and …
Thermal Property Measurement Of Thin Fibers By Complementary Methods, Troy Robert Munro
Thermal Property Measurement Of Thin Fibers By Complementary Methods, Troy Robert Munro
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
Thin fibers are prevalent in many engineering materials. Measuring how well heat transfers in such small fibers can be difficult to determine, and previous methods have led to erroneous results. This dissertation details three proposed methods to improve the measurement of the thermal conductivity, thermal diffusivity, and volumetric heat capacity of thin fibers. Of particular interest is natural and synthetic spider silks because previously published values of the natural silk thermal conductivity was similar to copper, an excellent thermal conductor.
The three methods developed are the improved transient electrothermal technique (which was redeveloped to include radiation and convection heat losses …
Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin
Merrill-Cazier Library Gas Exhibition, Betty Rozum, Andrew Wesolek, Pamela N. Martin
Education and Outreach
This exhibition, presented in the Merrill-Cazier Library, captured the history and accomplishments of the GAS program. Click the download button to see a PowerPoint presentation featuring images and text from the exhibition.
Astro Camp Presentation, Get Away Special Team 2011
Astro Camp Presentation, Get Away Special Team 2011
Education and Outreach
No abstract provided.
Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Mictrogravity, Troy Munro, Heng Ban
Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Mictrogravity, Troy Munro, Heng Ban
Presentations
No abstract provided.
Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Microgravity, Troy Munro, Andrew Fassman
Surface Geometry And Heat Flux Effect On Thin Wire Nucleate Pool Boiling Of Subcooled Water In Microgravity, Troy Munro, Andrew Fassman
Presentations
The motivation of this nucleate boiling research is to understand the effects of surface geometry and heat flux as applied to a thin wire heater. This will further the understanding of the fundamental behaviors of boiling onset, steady state heat transfer, and bubble dynamics with respect to nucleate boiling with the goal of creating efficient thermal management systems for future space applications. Using three different thin platinum wire geometries and five different power levels, subcooled water was boiled over a period of approximately 30 seconds for 15 parabolic arcs to simulate microgravity. To represent the trends in bubbles behavior across …
Effects Of Heat Flux On Nucleate Boiling In Microgravity, Andrew Fassman
Effects Of Heat Flux On Nucleate Boiling In Microgravity, Andrew Fassman
Presentations
No abstract provided.
The Design And Construction Of A Microgravity Boiling Experiment, Troy Munro
The Design And Construction Of A Microgravity Boiling Experiment, Troy Munro
Presentations
No abstract provided.
Get Away Special: Microgravity Research Team, Getaway Special Team
Get Away Special: Microgravity Research Team, Getaway Special Team
Education and Outreach
No abstract provided.
Report For 2011 Urco Funded Experiment: Development Of Optimal Bubble-Seeding Microheaters To Study Nucleate Boiling Heat Transfer In Microgravity, Ryan Martineau
Reports and Proposals
No abstract provided.
Development Of Optimal Bubble-Seeding Microheaters To Study Nucleate Boiling Heat Transfer In Microgravity, Ryan Martineau
Development Of Optimal Bubble-Seeding Microheaters To Study Nucleate Boiling Heat Transfer In Microgravity, Ryan Martineau
Reports and Proposals
No abstract provided.
Spatial Light Dilution As A Technique For Conversion Of Solar Energy To Algal Biomass, Daniel J. Dye
Spatial Light Dilution As A Technique For Conversion Of Solar Energy To Algal Biomass, Daniel J. Dye
All Graduate Theses and Dissertations, Spring 1920 to Summer 2023
A photobioreactor has been designed and developed to efficiently utilize solar irradiance through spatial dilution of sunlight. The concept of spatial light dilution is simple: incident sunlight is spread over a large surface area, thus reducing the photon flux density of the light. The implementation of this technique, however, is difficult. The reactor described within uses a new approach to spatial light dilution, utilizing recently-developed optical components to diffuse concentrated sunlight inside an algae culture. Preliminary productivity tests indicate a 2-3 fold increase in productivity per unit aperture (sunlight collection area) over a control reactor with direct-sunlight. Aperture productivity of …
Earth Systems Lesson Plan: Size And Forces Of The Solar System, Getaway Special Team 2010
Earth Systems Lesson Plan: Size And Forces Of The Solar System, Getaway Special Team 2010
Education and Outreach
No abstract provided.
Elementary And Middle School Science Lesson Plan: Solid, Liquid, Gas, What Is It?, Getaway Special Team 2010
Elementary And Middle School Science Lesson Plan: Solid, Liquid, Gas, What Is It?, Getaway Special Team 2010
Education and Outreach
No abstract provided.
Physics Lesson Plan: How Far And Fast Does It Travel?, Getaway Special Team 2010
Physics Lesson Plan: How Far And Fast Does It Travel?, Getaway Special Team 2010
Education and Outreach
No abstract provided.
Follow Up Nucleate Boiling On-Flight Experiment, Andrew Fassmann
Follow Up Nucleate Boiling On-Flight Experiment, Andrew Fassmann
Presentations
No abstract provided.
Gravitational Effects On Thin-Wire Subcooled Nucleate Boiling Dynamics, Justin Koeln, Andrew Fassmann, Troy Munro, Rob Barnett
Gravitational Effects On Thin-Wire Subcooled Nucleate Boiling Dynamics, Justin Koeln, Andrew Fassmann, Troy Munro, Rob Barnett
Presentations
No abstract provided.
Gravitational Effects On Thin-Wire Subcooled Nucleate Boiling Dynamics, Justin Koeln, Andrew Fassmann, Troy Munro, Rob Barnett
Gravitational Effects On Thin-Wire Subcooled Nucleate Boiling Dynamics, Justin Koeln, Andrew Fassmann, Troy Munro, Rob Barnett
Education and Outreach
No abstract provided.
The Gas Team And Nasa (Aka Boil, Boil, Toil And Trouble), Get Away Special Team 2010
The Gas Team And Nasa (Aka Boil, Boil, Toil And Trouble), Get Away Special Team 2010
Education and Outreach
No abstract provided.
Funboe (Follow-Up Nucleate Boiling On-Flight Experiment), Getaway Special Team 2010
Funboe (Follow-Up Nucleate Boiling On-Flight Experiment), Getaway Special Team 2010
Education and Outreach
No abstract provided.
Project: F.U.N.B.O.E. (Follow-Up Nucleate Boiling On-Flight Experiment), Getaway Special Team 2009
Project: F.U.N.B.O.E. (Follow-Up Nucleate Boiling On-Flight Experiment), Getaway Special Team 2009
Education and Outreach
No abstract provided.
Sixth Grade Lesson Plan: Heat Moves, Getaway Special Team 2009
Sixth Grade Lesson Plan: Heat Moves, Getaway Special Team 2009
Education and Outreach
No abstract provided.
Third Grade Lesson Plan: Where Does Heat Come From?, Getaway Special Team 2009
Third Grade Lesson Plan: Where Does Heat Come From?, Getaway Special Team 2009
Education and Outreach
No abstract provided.
Fifth Grade Lesson Plan: Solid, Liquid, And Gas, Getaway Special Team 2009
Fifth Grade Lesson Plan: Solid, Liquid, And Gas, Getaway Special Team 2009
Education and Outreach
No abstract provided.
Microgravity Experiments For The Iss, Justin Koeln, Jan Sojka
Microgravity Experiments For The Iss, Justin Koeln, Jan Sojka
Posters
The Get Away Special (GAS) team is a microgravity research team known for leading Utah State University to the impressive distinction of flying more experiments in space than any other university in the world. The following experiments were designed by the GAS team after receiving the opportunity to develop and experiment to be performed by a Space Flight Participant aboard the International Space Station (ISS).
Rembrant: Research On The Effects Of Microgravity On The Brazil Nut Problem, Getaway Special Team 2009
Rembrant: Research On The Effects Of Microgravity On The Brazil Nut Problem, Getaway Special Team 2009
Reports and Proposals
No abstract provided.
Gathering Leadership Momentum Across Great Distances: Creating An Online Community Of Practice, Erin L. Davis, Danielle Theiss-White
Gathering Leadership Momentum Across Great Distances: Creating An Online Community Of Practice, Erin L. Davis, Danielle Theiss-White
Erin Davis
At the 2007 Mountain Plains Library Association Leadership (MPLA) Institute, held in New Mexico, USA, eight academic librarians formed an online multi-state, multigenerational community of practice. MPLA is a twelve-state library association within the United States. Using Google Groups™, the members formed an online environment called the MPLA Community of Practice for continuing development of the leadership skills presented at the Institute. These early-career librarians represent diverse educational backgrounds and work in libraries serving varied populations with differing disciplinary emphases.
The group meets monthly with each member preparing and facilitating online discussions, complete with personal assessments, topical readings, and questions. …