Open Access. Powered by Scholars. Published by Universities.®
- Keyword
-
- CubeSat (3)
- OPAL (3)
- General relativity (2)
- NSF (2)
- 2DGKL (1)
-
- Aeroboom (1)
- Antarctic polar vortex (1)
- Art (1)
- Atmospheric limb (1)
- Atmospheric modeling (1)
- Brownian motion (1)
- Cellular (1)
- Consensus problem (1)
- Consumer available devices (1)
- Crustal seismic velocity (1)
- CubeSatellite (1)
- Data acquisition (1)
- Einstein field equations (1)
- Einstein-Maxwell solutions (1)
- Electricity consumption (1)
- Electron scattering (1)
- Energy loss (1)
- Equivalence problem (1)
- Grad-Shafranov (1)
- Gravity waves (1)
- HAPCAD (1)
- High altitutde payload (1)
- ITER (1)
- Mesospheric bores (1)
- Minerals (1)
Articles 1 - 13 of 13
Full-Text Articles in Physics
Mysterious Mesospheric Bores Over The South Pole, Christina Solorio
Mysterious Mesospheric Bores Over The South Pole, Christina Solorio
Physics Capstone Projects
Abstract. During the winter‐time, the South Pole lies at the center of the giant Antarctic polar vortex which isolates it from the rest of the world. Over the past four years, USU has successfully operated an infrared camera at the US Amundsen‐Scott South Pole Station to investigate dynamics of atmospheric gravity waves within the vortex. Gravity waves are generated when a force disturbs an air packet and buoyant and gravitational forces in turn cause it to oscillate. While gravity waves in general are ubiquitous in the atmosphere, propagating well into the mesosphere and lower thermosphere region (~80‐100 km), one rare …
Smartphone Seismology: Data Acquisition Through Consumer Available Devices, Matt Olsen
Smartphone Seismology: Data Acquisition Through Consumer Available Devices, Matt Olsen
Physics Capstone Projects
“Science!”, is an exuberant exclamation of achievement or satisfaction in the actual results of science that can be heard in a loud comic tone from time to time throughout the Geology department. Science is also defined as, “knowledge about or study of the natural world based on facts learned through experiments and observation” by Merriam-Webster dictionary. Whether the science is Physics or Geology, Biology or Chemistry, scientists seem to get excited when science happens. But science is always happening, so scientists should always be excited and exuberant, which if math serves me correctly would definitely equal happy.
Complexity And Art, Jeffrey Jenkins
Complexity And Art, Jeffrey Jenkins
Physics Capstone Projects
A python application was written with the purpose of facilitating the representation of data in both an audio and visual manner. The representations are in the artistic forms of color field paintings and music. This allows for the quick recognition of similarities and differences in the complexities of the data and art. Data was created from musical pieces to give a reference of how closely the program could recreate art. They were chosen from nursery rhymes and Mozart. Also data was generated from random white noise, 1/f, and Brownian data sets. Comparing these data sets showed the greatest similarity between …
Atmospheric Modeling For Opal Mission, Preston Hooser
Atmospheric Modeling For Opal Mission, Preston Hooser
Physics Capstone Projects
Opal is a CubeSat mission which will measure the neutral temperature of the lower thermosphere (90-140km). It will do this by studying the O2 atmospheric band (A-band), a photoemission of excited molecular oxygen. One of the goals of OPAL is to detect and measure gravity waves traveling up through the region from storms below. In order to do this, it is important to understand the effects of gravity waves on the emission. This paper will describe efforts made to model the atmosphere for preflight mission simulation.
The Equivalence Problem: Einstein-Maxwell Solutions, Rebecca Whitney
The Equivalence Problem: Einstein-Maxwell Solutions, Rebecca Whitney
Physics Capstone Projects
The “Equivalence Problem” is part of the Digital Einstein Project. The goal of this project is to create a digital and interactive library of all known solutions to the Einstein field equations in general relativity. The “Equivalence Problem” involves determining when two solutions are physically equivalent. This requires calculating physical and geometric features to characterize each solution independently of any coordinate system. One of the principal features used to characterize the solutions is the degree of symmetry or the isometry group of the space-time metric. We have focused on the solutions to the Einstein-Maxwell field equations and compared the isometry …
The Consensus Problem, Cellular Automata, And Self-Replicating Structures, David Griffin
The Consensus Problem, Cellular Automata, And Self-Replicating Structures, David Griffin
Physics Capstone Projects
Over The course of the last four years I have researched the consensus problem. I have done so by studying how cellular automata following the 2DGKL rule are able to reach consensus in a verity of ways. There are only certain structures that can form within a network, and these structures can be described and examined directly from the rules that make them up. I have also explored a variety of methods to study the rule including, graph theory and liner algebra representations of the cellular automata. Additionally I collected an analyzed data on symmetry in the rule, dependency on …
Importance Of Grad-Shafranov Re-Solves Towards Accurately Modeling An Iter Equilibrium In Nimrod, Joseph Jepson
Importance Of Grad-Shafranov Re-Solves Towards Accurately Modeling An Iter Equilibrium In Nimrod, Joseph Jepson
Physics Capstone Projects
In the year 2013, the United States produced a total of around 4 billion kWh of electricity for its energy consumption needs [1]. Around 67% of this was from fossil fuels (coal, natural gas, petroleum). To produce energy of this scope requires vast amounts of fuel, at great expense (the EPA estimates that around $29 billion was spent on fossil fuel electric energy production during 2013) [1]. Fusion energy may provide a viable alternative energy source to fossil fuels. As a comparison, producing the US fossil fuel electric energy for 2013 solely from coal would require about 468 billion kg …
Mineral Physics Modeling Of The Effect Of Water On Crustal Seismic Velocity Ratios, Eric Lyman
Mineral Physics Modeling Of The Effect Of Water On Crustal Seismic Velocity Ratios, Eric Lyman
Physics Capstone Projects
This research explores the relationship between the presence of water (H2O) in the make up of rocks and minerals (specifically quartz) at different levels in the crust. The relationships were calculated using Perple_x software to adjust the level of the different chemical and mineral make up of the rock. The densities were calculated using the velocity of primary waves and shear waves as collected by Tony Lowry. There seems to be at least a casual link between water content and quartz content.
Opal Cubesatellite Flight And Line Of Sight Integration Modeling, Kenneth Zia
Opal Cubesatellite Flight And Line Of Sight Integration Modeling, Kenneth Zia
Physics Capstone Projects
The Optical Profiling of the Atmospheric Limb (OPAL) mission is funded by NSF to gather global thermosphere temperatures. OPAL will be able to resolve the temperature profiles through observing day-time emissions of O2 A-band (~760nm) emissions. This is done by using integrated line-of-sight measurements of the A-band through a tangential view of the atmosphere down to 90km and up to 140 km. The OPAL instrument is on a 3U CubeSatellite (30cm×10cm×10cm) and is expected to follow the International Space Station (ISS) orbit (~400km altitude). Having an accurate model of the OPAL CubeSatellite’s position and the attitude of its optical …
Algorithms For The Optical Profiling Of The Atmospheric Limb Radiometry Data Analysis For The Opal Cubesat, Eric D. Ashby
Algorithms For The Optical Profiling Of The Atmospheric Limb Radiometry Data Analysis For The Opal Cubesat, Eric D. Ashby
Physics Capstone Projects
The Optical Profiling of the Atmospheric Limb (OPAL) mission is a CubeSat (NSF) project with aims to measure the temperature in the thermosphere between 90 and 140 km. The temperatures are inferred from the characteristic emission lines of molecular oxygen called the O2 A-band (around 760 nm). These temperatures will be used to better understand the evolution of the upper atmosphere during a solar storm and to analyze the temperature signatures of gravity waves. Multiple steps are required to retrieve temperature data from the OPAL satellite. Initially, the data must be deconvoluted from line-of-sight images. Spectral data must then be …
The Schwarzschild Solution And Timelike Geodesics, Matthew Ross
The Schwarzschild Solution And Timelike Geodesics, Matthew Ross
Physics Capstone Projects
General Relativity is the standard theory of the gravitational interaction. It allows us to cal- culate the motions and interactions of particles in a non-Euclidean space-time. This presentation will present the derivation of the Schwarzschild metric tensor field by finding a solution of the Einstein Equation for a non-rotating, static vacuum. A general form of the metric for a static, spherically symmetric spacetime will be used to calculate the Riemann curvature tensor and sub- sequently the Ricci tensor and Ricci scalar which will then be used to find a vaccum solution to the Einstein Equation. Once the solutions of the …
Predictive Formula For Electron Range Over A Large Span Of Energy, Anne Starley
Predictive Formula For Electron Range Over A Large Span Of Energy, Anne Starley
Physics Capstone Projects
A model developed by the Materials Research Group that calculates electron penetration range of some common materials, has been greatly expanded with the hope that such extensions will predict the range in other, perhaps, more interesting materials. Developments in this extended model aid in predicting the approximate penetration depth into diverse classes of materials for a broad range of energetic incident electrons (<10 eV to >10 MeV, with better than 20% accuracy). The penetration depth—or range—of a material describes the maximum distance electrons can travel through a material, before losing all of its incident kinetic energy. This model has started to predict …
High Altitude Payload For Cubesat Aeroboom Development, Jessica Gardiner
High Altitude Payload For Cubesat Aeroboom Development, Jessica Gardiner
Physics Capstone Projects
The intent of this project was to create and launch a high altitude balloon flight for the continued research of the Utah State University CubeSat project. The High Altitude Payload for CubeSat Aeroboom Development (HAPCAD) is a direct support research project for the Get Away Special Passive Attitude Control Satellite (GASPACS). HAPCAD validated the aeroboom design and deployment mechanism by deploying an aeroboom in a near space environment. It was essential for the GASPACS payload to deploy in an environmental pressure lower than the internal aeroboom pressure for experimental success; this pressure is approximately 100 torr. The most effective time …