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Field Validation of Zero Energy Lab Water-to-Water Ground Coupled Heat Pump Model
Heat pumps are a vital part of each building for their role in keeping the space conditioned for the occupant. This study focuses on developing a model for the ground-source heat pump at the Zero Energy lab at the University of North Texas, and finding the minimum data required for generating the model. The literature includes many models with different approaches to determine the performance of the heat pump. Each method has its pros and cons. In this research the equation-fit method was used to generate a model based on the data collected from the field. Two experiments were conducted for the cooling mode: the first one at the beginning of the season and the second one at the peak of the season to cover all the operation conditions. The same procedure was followed for the heating mode. The models generated based on the collected data were validated against the experiment data. The error of the models was within ±10%. The study showed that the error could be reduced by 20% to 42% when using the field data to generate the model instead of the manufacturer’s catalog data. Also it was found that the minimum period to generate the cooling …
Date:
May 2016
Creator:
Abdulameer, Saif
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2017-03-20 – Kayla Abel, clarinet
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
March 20, 2017
Creator:
Abel, Kayla
Object Type:
Sound
System:
The UNT Digital Library
Ozone Pollution of Shale Gas Activities in North Texas
The effect of shale gas activities on ground-level ozone pollution in the Dallas-Fort Worth area is studied in detail here. Ozone is a highly reactive species with harmful effects on human and environment. Shale gas development, or fracking, involves activities such as hydraulic fracturing, drilling, fluid mixing, and trucks idling that are sources of nitrogen oxides (NOX) and volatile organic compounds (VOC), two of the most important precursors of ozone. In this study two independent approaches have been applied in evaluating the influences on ozone concentrations. In the first approach, the influence of meteorology were removed from ozone time series through the application of Kolmogorov-Zurbenko low-pass filter, logarithmic transformation, and subsequent multi-linear regression. Ozone measurement data were acquired from Texas Commission on Environmental Quality (TCEQ) monitoring stations for 14 years. The comparison between ozone trends in non-shale gas region and shale gas region shows increasing ozone trends at the monitoring stations in close proximity to the Barnett Shale activities. In the second approach, the CAMx photochemical model was used to assess the sensitivity of ozone to the NOX and VOC sources associated with shale oil and gas activities. Brute force method was applied on Barnett Shale and Haynesville Shale emission …
Date:
May 2016
Creator:
Ahmadi, Mahdi
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2016 04-17 - Erin Alcorn, soprano
Access:
Use of this item is restricted to the UNT Community
Master's recital presented at the UNT College of Music Voertman Hall.
Date:
April 17, 2016
Creator:
Alcorn, Erin
Object Type:
Video
System:
The UNT Digital Library
Master's Recital: 2016-04-17 – Erin Alcorn, soprano
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
April 17, 2016
Creator:
Alcorn, Erin
Object Type:
Sound
System:
The UNT Digital Library
"Miss Kathy"
Miss Kathy is a documentary film that tells the story of Kathy Griffin-Grinan, a lead recovery coach for prostitution and human trafficking with the Harris County Sheriff’s Office. Her non-profit organization —We’ve Been There, Done That – works in conjunction with law-enforcement to offer the survivors of prostitution a chance at rehabilitation. With endless enthusiasm, she mentors survivors as they struggle to escape a destructive lifestyle. This film also explores the relationship between human trafficking and prostitution, while addressing issues of victimization and exploitation.
Date:
May 2015
Creator:
Alexander, Jeffrey, 1982-
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2014-11-19 – Nicholas Allington, soprano and alto saxophone
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
November 19, 2014
Creator:
Allington, Nicholas
Object Type:
Video
System:
The UNT Digital Library
Master's Recital: 2014-11-19 - Nicholas Allington, soprano and alto saxophones
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
November 19, 2014
Creator:
Allington, Nicholas
Object Type:
Sound
System:
The UNT Digital Library
"Her Name Was"
Her Name Was is an examination of the oppression of transgender people in a society that is built on the nominalization of cisgender people, those who gender matchers their sex assigned at birth, and how this oppression lends itself to violence. In the summer of 2015, the body of Shade Schuler, an African American transgender woman, was found in a field outside of Dallas, Texas. Ms. Shade is part of an alarming epidemic of escalating levels of targeted violence against the transgender community. This documentary pulls back the curtain as it captures the feelings and struggles of the transgender community as they attempt to navigate and survive in a cis dominating society.
Date:
August 2018
Creator:
Almendariz, Sergio E
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2017-06-27 – Eunjin An, piano
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
June 27, 2017
Creator:
An, Eunjin
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2012-04-05 - Eric Andress, bass trombone
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
April 5, 2012
Creator:
Andress, Eric Matthew
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2012-02-21 - Bill Applegate, electric guitar
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Kenton Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
February 21, 2012
Creator:
Applegate, Bill
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2015-04-08 - Rebecca Arden, harp
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
April 8, 2015
Creator:
Arden, Rebecca
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2013-10-26 - Tyler Austin, bassoon
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music degree.
Date:
October 26, 2013
Creator:
Austin, Tyler
Object Type:
Sound
System:
The UNT Digital Library
Master’s Recital: 2013-10-26 - Tyler Austin, bassoon
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master’s of Music degree.
Date:
October 26, 2013
Creator:
Austin, Tyler
Object Type:
Video
System:
The UNT Digital Library
Understanding Perceptions of Community Gardens in the Dallas Area
This exploratory research focuses on identifying the roles and perspectives of community gardens in the Dallas area. Results from semi-structured interviews reveal the social and political makeup of the neighborhoods where the garden projects in this study are located. While these findings highlight the benefits of gardening in the city, they can also be contested spaces. In advocating for the proliferation of garden projects in the city, community organizations would benefit from understanding the nuances of garden initiatives and the way in which they are perceived by members of the garden, nearby residents, and policy makers.
Date:
December 2017
Creator:
Ayyad, Raja
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2017-03-24 – Sarina Bachleitner, composition
Recital presented at the UNT College of Music Kenton Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
March 24, 2017
Creator:
Bachleitner, Sarina
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2016-04-23 – Ruben Balboa III, viola
Access:
Use of this item is restricted to the UNT Community
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
April 23, 2016
Creator:
Balboa, Ruben, III
Object Type:
Sound
System:
The UNT Digital Library
Master's Recital: 2017-06-02 – Dominic Baldoni, flute
Recital presented at the UNT College of Music Recital Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
June 2, 2017
Creator:
Baldoni, Dominic
Object Type:
Sound
System:
The UNT Digital Library
Forging Their Legacy: Cooperation and Accommodation in the Lower Rio Grande Valley, 1848-1870
Forging Their Legacy: Cooperation and Accommodation in the Lower Rio Grande Valley is an examination of the relationships created during the mid-nineteenth century between Anglo and Tejano elites in the five counties that make up the Lower Rio Grande Valley. Conducted through a quantitative lens, the five-chapter study seeks to demonstrate that, although the period between 1848 and 1870 was fraught with conflict and violence, the Anglo and Tejano elite of the Lower Rio Grande Valley came together in cooperation in order not only to survive these troubling times but to prosper. The thesis begins by identifying and analyzing the economic and political elite in the Lower Rio Grande Valley during the 1850s. A new crop of Anglo immigrants arrived with the Mexican-American War, but only a small number willing to assimilate to local Tejano culture were able to leave their mark on the Lower Valley. Chapter 4 relates the effect of the Civil War on the elite of the Lower Valley. It explores the profitable cotton trade during the war and the struggle that both Anglo and Tejano elites faced during Reconstruction. The thesis concludes with a macro-analysis of the twenty-two-year period from 1848-1870. It summarizes overall trends found …
Date:
December 2018
Creator:
Ballesteros, Nicholas A.
Object Type:
Thesis or Dissertation
System:
The UNT Digital Library
Master's Recital: 2018-01-28 – Emily Baltzer, collaborative piano
Access:
Use of this item is restricted to the UNT Community
Master's recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
January 28, 2018
Creator:
Baltzer, Emily
Object Type:
Video
System:
The UNT Digital Library
Master's Recital: 2018-01-28 – Emily Baltzer, collaborative piano
Recital presented at the UNT College of Music Voertman Hall in partial fulfillment of the Master of Music (MM) degree.
Date:
January 28, 2018
Creator:
Baltzer, Emily
Object Type:
Sound
System:
The UNT Digital Library
24
Work of art in mx dye and charcoal on cloth by artist Taylor Barnes as part of a 2019 MFA Exhibition, entitled "Who's Next?"
Date:
2018
Creator:
Barnes, Taylor
Object Type:
Artwork
System:
The UNT Digital Library
Acclimate
Work of art in stitching and applique on cloth by artist Taylor Barnes as part of a 2019 MFA Exhibition, entitled "Who's Next?"
Date:
2018
Creator:
Barnes, Taylor
Object Type:
Artwork
System:
The UNT Digital Library