Barrett, The Honors College at Arizona State University proudly showcases the work of undergraduate honors students by sharing this collection exclusively with the ASU community.

Barrett accepts high performing, academically engaged undergraduate students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project which is an opportunity to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is supervised and defended in front of a faculty committee. Students are able to engage with professors who are nationally recognized in their fields and committed to working with honors students. Completing a Barrett thesis or creative project is an opportunity for undergraduate honors students to contribute to the ASU academic community in a meaningful way.

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Description
This project discusses simulation results of star formation by Active Galactic Nuclei (AGN) jets using the WENO method. A typical AGN jet with velocity uj=0.3c, density ρj=10^(-2) H/cm3, and temperature Tj=10^(7) K was injected into a 425 light years square region. The jet passes through a stationary inhomogeneous ambient background

This project discusses simulation results of star formation by Active Galactic Nuclei (AGN) jets using the WENO method. A typical AGN jet with velocity uj=0.3c, density ρj=10^(-2) H/cm3, and temperature Tj=10^(7) K was injected into a 425 light years square region. The jet passes through a stationary inhomogeneous ambient background of temperature Ta=5x10^4 K and density ρa= 2 H/cm^3 to test if AGN jets, by creating bow shocks propagating through the interstellar medium and molecular clouds, can form stars in the densest regions. According to the star formation criteria for gravitational collapse of Cen and Ostriker, the resulting simulations indicate the presence of star formation via AGN jets (1992). The parameters are tuned to match Centaurs A to identify star formation in this galaxy. The simulations will also be run in three dimensions in the future and for longer time intervals to gain a better understanding of the star formation process via AGN jets.
ContributorsFindley, Christina Marie (Author) / Gardner, Carl (Thesis director) / Scannapieco, Evan (Committee member) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor) / School of Mathematical and Statistical Sciences (Contributor)
Created2015-05
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Description
The following paper presents a case study within the Aerospace industry of a contract between two companies that are working together on an international level. A review of pertinent literature is used to further understand contract manufacturing as it is derived from outsourcing. Additionally, there is discussion of the forms

The following paper presents a case study within the Aerospace industry of a contract between two companies that are working together on an international level. A review of pertinent literature is used to further understand contract manufacturing as it is derived from outsourcing. Additionally, there is discussion of the forms and methods of communication that are used between organizations and the implications that these have upon the functioning of inter-organizational agreements. The case study focuses primarily upon the communications that have been implemented within a contract manufacturing setting to enable two competing Aerospace manufacturers to work together on a multi-year project.
ContributorsTagtmeyer, Robert Jon (Author) / Carter, Joseph (Thesis director) / Printezis, Antonios (Committee member) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor) / Department of Supply Chain Management (Contributor)
Created2015-05
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Description
In this study, the packaging and labeling of milk and coffee was compared between Walmart and Sprouts. The pricing, the sourcing, the certifications and the overall shelf presence of the items was taken under consideration. After studying the packaging of both, a new design incorporating the applicable labels, customer appeal

In this study, the packaging and labeling of milk and coffee was compared between Walmart and Sprouts. The pricing, the sourcing, the certifications and the overall shelf presence of the items was taken under consideration. After studying the packaging of both, a new design incorporating the applicable labels, customer appeal and appropriate green marketing was created for both the commodities.
ContributorsBhatt, Rashi Hitesh (Author) / Collins, Shari (Thesis director) / Keahey, Jennifer (Committee member) / School of International Letters and Cultures (Contributor) / School of Earth and Space Exploration (Contributor) / School of Sustainability (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
Description
We model the self-compression of homogeneous, undifferentiated, Ceres-like bodies composed of various minerals and mineral-composites: antigorite, brucite, dolomite, lizardite and magnesite, plus mixtures which were the above minerals mixed with ice Ih. All of the modeled clay/ice bodies had a final radius within 1% of RCeres, an average final density

We model the self-compression of homogeneous, undifferentiated, Ceres-like bodies composed of various minerals and mineral-composites: antigorite, brucite, dolomite, lizardite and magnesite, plus mixtures which were the above minerals mixed with ice Ih. All of the modeled clay/ice bodies had a final radius within 1% of RCeres, an average final density of ~2083 kg m-3 and central pressures of ~133 MPa. The smallest radius was from magnesite, which had a final compressed radius of ~0.88 RCeres, central pressure of ~212 MPa and final density of ~2955 kg m-3. The most significant change in radius was due to the zero-pressure density as the highest densities created the highest force of gravity and produced the smallest radii, yet zero-pressure densities that matched Ceres produced 0.99 RCeres bodies. It was found that the addition of ice, anywhere from 9.1-19.1%, did not affect the body a measurable amount as the inclusion of ice resulted in a lower density creating a lower force of gravity, decreased central pressure and less overall compression. Models that closely resembled Ceres had internal pressures of 133 MPa, which is not enough pressure to induce pore collapse or produce drastic changes due to K and K'. Porosity and the addition of ice in Ceres-like bodies is possible and cannot be ignored when using more complicated modeling techniques. Each mineral and mineral-composite produced unique overall results which allowed us to compare each mineral to Ceres, understand how it has compressed over time and how objects of such a size are affected by compression. Due to the small size, low force of gravity and high bulk moduli of the given minerals, Ceres-like bodies do not compress a considerable amount if they are in fact composed of hydrated silicates.
ContributorsMastrean, Alex Travis (Author) / Desch, Steven (Thesis director) / Zolotov, Mikhail (Committee member) / Shim, Sang-Heon Dan (Committee member) / School of Earth and Space Exploration (Contributor) / Barrett, The Honors College (Contributor)
Created2015-12
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Description
Einstein's theory of special relativity has been used by accomplished science fiction authors since its discovery in 1905, allowing intrepid adventurers to reach far away worlds without having to fear time's passage. By traveling near light speed, these fictional travelers experience a different passage of time as the universe ensures

Einstein's theory of special relativity has been used by accomplished science fiction authors since its discovery in 1905, allowing intrepid adventurers to reach far away worlds without having to fear time's passage. By traveling near light speed, these fictional travelers experience a different passage of time as the universe ensures the commonality of the speed of light in all reference frames. In the here and now, this method of travel has been proposed to assist in interstellar and interplanetary exploration. This paper will investigate the practicality of this method of travel by proposing a mission utilizing a craft with this type of velocity.
ContributorsWaaler, Mason Duran (Author) / Jacob, Richard (Thesis director) / Covatto, Carl (Committee member) / Foy, Joseph (Committee member) / School of Life Sciences (Contributor) / School of Earth and Space Exploration (Contributor) / Barrett, The Honors College (Contributor)
Created2016-05
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Description
PHXmuraltour is an app for iPhone and Android that guides users through the plethora of mural art in downtown Phoenix. It can be found and downloaded from iTunes and the Android app store. Before the artists began drawing people downtown for events like First Fridays and ArtDetour during the 1980s,

PHXmuraltour is an app for iPhone and Android that guides users through the plethora of mural art in downtown Phoenix. It can be found and downloaded from iTunes and the Android app store. Before the artists began drawing people downtown for events like First Fridays and ArtDetour during the 1980s, Phoenix was notorious for having a deserted city core. The art community brought life, color and vibrancy to the downtown landscape. The website giving more information about the project can be found at http://kristenhwang.com/PHX-mural-tour.html. This project aims to widen the reach of the mural art in downtown Phoenix. Public art has the unique ability to foster a conversation between people who may not think of themselves as art connoisseurs, but like all kinds of art the message can sometimes be mysterious to passersby. Many of the murals downtown portray Hispanic or Native American themes, make political statements, document historic events and people, or serve as visual spice. They are emblems of the values the downtown community identifies with--values like creativity, enterprise, civic responsibility and diversity. This project hopes to make these messages more prominent to people in downtown Phoenix. It is important for the students, workers, shop owners and residents downtown to have the opportunity to learn more about the mural art because the art community surrounding Roosevelt Row played an integral role in shaping the culture and texture of their daily lives.
Created2014-12
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Description
The giant green sea anemone, Anthopleura xanthogrammica, hosts two different endosymbiotic algae. One is a unicellular chlorophyte, Elliptochloris marina; the other is Symbiodinium muscatinei, a dinoflagellate. Hosting these different symbionts influences the life history strategy of A. xanthogrammica's congener A. elegantissima, directly impacting its reproductive strategy (asexual vs. sexual). My

The giant green sea anemone, Anthopleura xanthogrammica, hosts two different endosymbiotic algae. One is a unicellular chlorophyte, Elliptochloris marina; the other is Symbiodinium muscatinei, a dinoflagellate. Hosting these different symbionts influences the life history strategy of A. xanthogrammica's congener A. elegantissima, directly impacting its reproductive strategy (asexual vs. sexual). My study sought to examine whether the type and density of symbiont also affects the reproductive condition of A. xanthogrammica, which reproduces only sexually. Gonad development was measured in anemones from Slip Point, Clallam Bay, WA and Tongue Point, WA along with symbiont type and density per mg of anemone protein. The results indicate a trend towards brown anemones having more developed gonads, especially in males. This may mean that A. xanthogrammica anemones that host zooxanthellae are more reproductively fit than zoochlorellate anemones. Thus, it may be favorable for anemones to host zooxanthellae. This is especially true in summer months when the high temperatures and mid-day low tides coincide with the period of most rapid gonad development.
ContributorsGasbarro, Ryan Patrick (Author) / Neuer, Susanne (Thesis director) / Rutowski, Ronald (Committee member) / Bingham, Brian (Committee member) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor) / School of Life Sciences (Contributor)
Created2015-05
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Description
There are many outstanding questions regarding the petrologic processes that give rise to andesitic and basaltic magmas in subduction zones, including the specifics that govern their geographical distribution in a given arc segment. Here I investigate the genesis of calc-alkaline and tholeiitic basalts from the Lassen Volcanic Center in order

There are many outstanding questions regarding the petrologic processes that give rise to andesitic and basaltic magmas in subduction zones, including the specifics that govern their geographical distribution in a given arc segment. Here I investigate the genesis of calc-alkaline and tholeiitic basalts from the Lassen Volcanic Center in order to determine the pressure, temperature, source composition, and method of melting that lead to the production of melt in the mantle below Lassen. To this aim, a suite of primitive basalts (i.e. SiO2<52 and Mg#>65) are corrected for fractional crystallization by adding minerals back to the bulk rock composition with the goal of returning them to a primary composition in equilibrium with the mantle. Thermobarometry of the primary melt compositions is conducted to determine temperature and pressure of melting, in addition to a forward mantle modeling technique to simulate mantle melting at varying pressures to constrain source composition and method of melting (batch vs. fractional). The results from the two techniques agree on an average depth of melt extraction of 36 km and a source composition similar to that of depleted mantle melted by batch melting. Although attempted for both calc-alkaline and tholeiitic basalts, the fractional crystallization correction and thus the pressure-temperature calculations were only successful for tholeiitic basalts due to the hydrous nature of the calc-alkaline samples. This leaves an opportunity to repeat this study with parameters appropriate for hydrous basalts, allowing for the comparison of calc-alkaline and tholeiitic melting conditions.
ContributorsSheppard, Katherine Davis (Author) / Till, Christy (Thesis director) / Hervig, Richard (Committee member) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor)
Created2015-05
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Description
In an effort to gauge on-campus resident's satisfaction with services provided by Century Link and the University Technology Office as well as understand the resident's technology usage habits, the Performance Based Research Studies Group at ASU conducted a survey to collect the data needed to initiate improvements. Unlike previous years,

In an effort to gauge on-campus resident's satisfaction with services provided by Century Link and the University Technology Office as well as understand the resident's technology usage habits, the Performance Based Research Studies Group at ASU conducted a survey to collect the data needed to initiate improvements. Unlike previous years, the 2015 edition of the survey was distributed more efficiently by engaging University Housing staff members (those who work closest with the residents). The result was a 288% increase in responses from the previous year, totaling 2352 respondents and a 167% increase in the number of Residential Halls surveyed, totaling 24. As a primary concern, on a scale of zero to five, the average Internet satisfaction rating was 2.42. In the comments section residents reported issues with the reliability and speed of the ASU networks. It was further determined that residents were dissatisfied with the television services with an average satisfaction rating of 2.91; and the vast majority of comments regarding television services demanding that the ESPN channels be provided. In addition to the metrics on resident satisfaction, it was found that the majority of on-campus residents do not utilize hard-wired ports. Based on the information gathered from this survey, it is recommended that the University Technology Office: 1) focus efforts on upgrading, expanding, and improving the existing ASU networks in particular the reliability and speed of those networks, 2) invest in a broader channel line-up to at minimum provide the ESPN channels, and 3) start an awareness campaign to educate residents on the usage of hard wired ports with the goal of increasing hard wired port usage. As a corollary to information gathered from the survey, it is possible to begin building technology usage profiles on each building and even building such profiles on each residential college and academic unit to better understand the clientele and adapt the services a necessary.
ContributorsMcculloch, John Patrick (Author) / Kashiwagi, Dean (Thesis director) / Kashiwagi, Jacob (Committee member) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor) / Department of Information Systems (Contributor) / School of Mathematical and Statistical Sciences (Contributor)
Created2015-05
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Description
Though large amounts of nitrogen are allocated to the Earth's mantle, not much is known concerning how it is stored and transported. In this study, stishovite is proposed as a host for nitrogen within the Earth's deep interior. Stishovite was synthesized and heated under nitrogen rich conditions using diamond-anvil cell

Though large amounts of nitrogen are allocated to the Earth's mantle, not much is known concerning how it is stored and transported. In this study, stishovite is proposed as a host for nitrogen within the Earth's deep interior. Stishovite was synthesized and heated under nitrogen rich conditions using diamond-anvil cell equipment and double-sided laser heating. Synthesis pressures ranged from 16 to 44 GPa and temperatures centered at ~1800 K. Experimental products were removed from diamond anvil cells and analyzed for nitrogen content via SIMS and SEM/EDX analysis. Unit cell parameters were obtained through XRD analysis. N solubility in stishovite was calculated to be up to 1.54 wt % from SIMS data through the use of an ion implant and a relative sensitivity factor. XRD data indicated a decrease in unit cell volume at higher pressures, with the c-axis length showing larger compressibility than the a-axis length. Through SEM and EDX analysis, a uniformly low level of N was observed throughout the sample indicating that N was uniformly incorporated into the crystal structure of stishovite. The data suggests that, rather than existing separately from stishovite as a silicon or carbon nitride, N has substituted into the crystal structure of stishovite. Both O and N have largely similar atomic radii, with N being slightly smaller, indicating that N can substitute for O. With the levels of N observed in the experiment, it is implicated that the mantle has an extremely large storage capacity for N. Further experimentation, with the addition of TEM analysis, should be conducted in order to determine the effects of pressure and temperature on the solubility of N in stishovite. Additionally, substitution of N as HN into stishovite should be investigated as HN accounts for the charge imbalance seen when substituting N for O.
ContributorsNoble, Shaela Marie (Author) / Shim, Sang-Heon (Thesis director) / Hervig, Richard (Committee member) / School of Life Sciences (Contributor) / School of Molecular Sciences (Contributor) / Barrett, The Honors College (Contributor) / School of Earth and Space Exploration (Contributor)
Created2016-05