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Elevation Influences The Microhabitat Use And Baseline Physiology Of Coqui Frogs In Hawai‘I, Karen H. Beard, Susannah S. French, Jack Marchetti

Browse all Datasets

The purpose of this study was to determine whether elevation in HawaiÔi affects the coquiÕs microhabitat use such as substrate choice and height off the forest floor and physiological metrics such as osmolality, oxidative status, and energy metabolites (glucose, free glycerol, and triglycerides).

Effects Of Pressure Side Film Cooling Hole Placement And Condition On Surface Heat Transfer Characteristics Of A Transonic Turbine Blade Tip, Hallie Collopy, Phillip M. Ligrani, Hongzhou Xu, Michael Fox

PRC-Affiliated Research

The effects of film cooling hole placement location along the upper pressure side of a transonic squealer are considered. The thermal performance of four different film cooling configurations; B1, B2, B3 and B4, are considered using the University of Alabama in Huntsville's SS/TS/WT (supersonic/transonic/wind tunnel) experimental facility and a simulated turbine blade row using a linear cascade. Surface-varying results are provided for both the squealer blade tip surface, and for the upper pressure side of the squealer blade. These results are given for blowing ratios ranging from 0.42 to 3.20 in the form of spatially-resolved and spatially-averaged adiabatic film cooling …

The Value Of Using Popular Music And Performers On Brand And Message Recall In Television Advertising Jingles, Ahmed Taher, Heba Y. El Badawy

Faculty Journal Articles

This study offers insights into two critical decisions in jingle-based advertising. How much more could the producer pay to buy the rights to popular music to add to advertising jingles? And how much more could they pay a popular performer to sing the jingle? Will doing so enhance the brand or message recall to justify the investment? Based on 300 interviews that measured unaided and aided day-after recall of five jingle ads concurrently aired on television, popular music and performers increased unaided and aided recall of brand name and ad message. Compared to the base case, a popular performer can …

An Intercomparison Of Large-Eddy Simulations Of A Convection Cloud Chamber Using Haze-Capable Bin And Lagrangian Cloud Microphysics Schemes, Fan Yang, Fabian Hoffmann, Raymond Shaw, Mikhail Ovchinnikov, Andrew Vogelmann

Michigan Tech Research Data

Recent in-situ observations show that haze particles exist in a convection cloud chamber. The microphysics schemes previously used for large-eddy simulations of the cloud chamber could not fully resolve haze particles and the associated processes, including their activation and deactivation. Specifically, cloud droplet activation is modeled based on Twomey-type parameterizations, wherein cloud droplets are formed when a critical supersaturation for the available cloud condensation nuclei (CCN) is exceeded and haze particles are not explicitly resolved. Here, we develop and adapt haze-capable bin and Lagrangian microphysics schemes to properly resolve the activation and deactivation processes. Results are compared with the Twomey-type …

Common Snook, Centropomus Undecimalis Neurocranium, Olivia Cantalupo, Madelyn Vieth, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from Common Snook, Centropomus undecimalis.

Aero Engines Remaining Useful Life Prediction Based On Enhanced Adaptive Guided Differential Evolution, Sara Abdelghafar, Ali Khater, Ali Wagdy, Ashraf Darwish

Faculty Journal Articles

Remaining Useful Life (RUL) prediction is a key process for prognostic health management in almost all engineering real-world applications, especially which are in hazardous and challenging environments where the failures and disastrous faults cannot be avoided such as space vehicles and aircraft. This paper proposes a predictive approach based on our proposed algorithm Enhanced Adaptive Guided Differential Evolution (EAGDE) is used to optimize the parameter selection of Support Vector Machine (SVM) to give high RUL prediction accuracy. The advantages of the proposed approach (EAGDE–SVM) are verified using the popular benchmark C-MAPSS which describes the degradation of the aircraft turbofan engine …

Description Of The Immature Stages Of Dacus Bivittatus (Diptera: Tephritidae), The Greater Pumpkin Fruit Fly, Gary J. Steck, Shepard Ndlela, Louis A. Somma, Jessica Diaz, Matthew R. Moore, Jessica Awad

All Peer-Reviewed Publications

We describe the egg, three instars, and pupa of Dacus bivittatus Bigot using optical and scanning electron microscopy and compare them with those of other Dacus Fabricius species for which these stages have been described as well as those of two important pest species of Zeugodacus Hendel that infest cucurbits. A new anatomical term, lateral lips, is introduced to describe a feature of the facial mask. A feature of the egg that has not been reported previously for Tephritidae is described here: a peculiar arrangement of aeropyles in an irregular line partially encircling the egg near the posterior end. A …

Saint Irenaeus Of Lyons And The Modern-Day Evangelical, Gabe Bruner, Sarah Kelley, Hank Voss

Presentations

No abstract provided.

Mahi Mahi (Coryphaena Hippurus) Neurocranium, Logan Exton, David William Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 13.335 cm total length (TL) Mahi Mahi (Coryphaena hippurus), collected from Fort Lauderdale on 04/11/2022 by Logan Exton

Little Tunny, Euthynnus Alletteratus, Neurocranium, Andrew C. Kuntz, Kylie Bosket, Amy Hirons

Hirons Field Techniques

Neurocranium from Little Tunny, Euthynnus alletteratus. Sample belongs to David Kerstetter.

Toro (Priacanthus Arenatus) Neurocranium, Nicole Mozer, David Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 7.8 cm

Toro - Priacanthus arenatus

Collected from Kerstetter Fisheries & Avian Ecology Lab on 9/21/2022 by Nicole Mozer & David Kerstetter

Scamp Grouper, (Mycteroperca Phenax) Neurocranium, Liam L. Wilcox, David William Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium from 5.40 cm; total length unknown. Scamp Grouper, (Mycteroperca phenax)

Specimen received from Kerstetter's lab

Chelonia Mydas Cranium, Celina Nelson-Jordan, Bryan Weber

Hirons Field Techniques

Chelonia mydas Cranium - Green Sea Turtle skull with jaw positioned agape for detail

Gamifying Art History: On Employing An Escape Room To Facilitate Interest And Critical Thinking On Art Crime And Repatriation, J. Baar

Art & Art History Undergraduate Student Research - Archive

This report concludes an experiential learning project supported by UTA Libraries Open Initiative Grant program in fall 2022. The author developed and implemented an escape room based on art historical information, issues of cultural heritage loss and misuse, as well as looting and art crime. The escape room was open for two weeks at the end of the fall 2022 on the 2nd floor of the UTA Central Library. The report outlines the purpose and outcomes of this project, considering the possibilities of gamifying art history.Â

Data From: Machine Learning Predictions Of Electricity Capacity, Marcus Harris, Elizabeth Kirby, Ameeta Agrawal, Rhitabrat Pokharel, Francis Puyleart, Martin Zwick

Complex Systems Faculty Datasets

This research applies machine learning methods to build predictive models of Net Load Imbalance for the Resource Sufficiency Flexible Ramping Requirement in the Western Energy Imbalance Market. Several methods are used in this research, including Reconstructability Analysis, developed in the systems community, and more well-known methods such as Bayesian Networks, Support Vector Regression, and Neural Networks. The aims of the research are to identify predictive variables and obtain a new stand-alone model that improves prediction accuracy and reduces the INC (ability to increase generation) and DEC (ability to decrease generation) Resource Sufficiency Requirements for Western Energy Imbalance Market participants. This …

Development Of Ultra-High Performance Engineered Geopolymer Composites (Uhp-Egcs), Hassan Noorvand, Miladin Radovic, Marwa Hassan, Svetlana Sukhishvili, Gabriel Arce, Ruwa Abufarsakh, Adriana A. Alvarado, Oscar Huang, Sang Zhen

Data

This study investigated the possibility of developing novel UHP-EGC materials for the repair and new construction of transportation infrastructure in Region 6 by utilizing locally available resources. To this end, the geopolymers (GPs) in this study were synthesized by activating metakaolin (MK) with potassium silicate and sodium silicate solutions. The solutions were manufactured in the laboratory by dissolving silica fume and potassium hydroxide (KOH) or sodium hydroxide (NaOH) in deionized water. MK-based GP binders, mortars, and fiber-reinforced composites were manufactured and evaluated to determine their density, compressive strength, tensile properties, and slant shear bond strength to Portland cement concrete (PCC). …

Gamifying Art History: On Employing An Escape Room To Facilitate Interest And Critical Thinking On Art Crime And Repatriation, J Baar

Open Initiatives Grant Teaching & Learning Projects-Archive

This report concludes an experiential learning project supported by UTA Libraries Open Initiative Grant program in fall 2022. The author developed and implemented an escape room based on art historical information, issues of cultural heritage loss and misuse, as well as looting and art crime. The escape room was open for two weeks at the end of the fall 2022 on the 2nd floor of the UTA Central Library. The report outlines the purpose and outcomes of this project, considering the possibilities of gamifying art history.

Optimal Locations And Flow Allocations For Aggregation Hubs In Supply Chain Networks Of Perishable Products, Sherif A. Fahmy, Areej M. Zaki, Yomna H. Gaber

Faculty Journal Articles

Establishment of aggregation hubs in a supply chain network (SCN) is typically a facility location-allocation (FLA) decision, which is known to be a NP-hard optimization problem. Considering the flow of heterogeneous perishable products, like fresh produce, with different spoilage rates, further increases the complexity of such a problem. This is due to the effect of transportation time and conditions, services provided in the hub, and hub proximity to supply sources, on the quality and quantity of products eventually reaching the demand destinations, and hence on the location-allocation decision. In this paper, this problem is formulated as a mixed integer linear …

The Layer That Did Not Swim Away: Broadband Acoustic Discrimination And Characterization Of Ocean Stratification, Elizabeth Reed-Weidner

Doctoral Dissertations

Ocean stratification plays a critical role in many oceanographic processes. The magnitude of mixing between stable water masses is regulated, in part, by the intensity of stratification. As such, stratification modulates the vertical transport of heat and many important dissolved constituents in the water column, influencing such processes as ocean ventilation, and ocean heat and carbon uptake. As human induced climate change alters oceanic stratification a thorough understanding of its distribution and variability is critical in the study of the world’s oceans. However, traditional methods are limited in terms of spatial context and rapid, near-synoptic observational methods, such as those …

‘Unapologetically Vernacular’: A Study Of The Composing Process Of Youth Writing And Performing Slam And Spoken Word Poetry, Dennis Magliozzi

Doctoral Dissertations

The purpose of this study is to examine the creative process and cultural resources youth poets use to generate poetry and inspire their own written material. This study is guided by the following two central research questions: In what ways do youth create their own poetry? In what ways do youth use cultural resources to inspire and develop their poetic work? This is a qualitative study that relies on three focal participants and utilizes Arts Based Educational Research (ABER) as a research strategy. After reviewing the data from participants, the following predominant themes present themselves for discussion: First, Process is …

Synthetic Approaches Towards [4]Triangulene., Md Al Faruk

Doctoral Dissertations

The [n]triangulenes (n = number of rings on a side) are a triangle-shaped class of polycyclic aromatic compounds that have been of interest for almost 100 years. Triangulenes are expected to be high-spin species with unusual electronic structures and with potential applications in molecular electronics. The first examples of simple triangulenes have been synthesized very recently by reactions on a surface and were characterized by scanning electron microscopy. Our research group has reported the solution phase synthesis and polymerization of [3]triangulene. This thesis describes approaches toward an efficient scalable synthesis of the little-known [4]triangulene ring system. Our synthetic plan, which …

A Strong-Qcd Regime Measurement Of The Proton’S Spin Structure, David Ruth

Doctoral Dissertations

The theory of the strong force, Quantum Chromodynamics (QCD) remains one of the mostimportant ways to understand the fundamental properties of ordinary matter. However, at low momentum transfer Q2, in the regime where the strong force becomes extremely strong, our understanding of QCD for ordinary nucleons becomes hazy. Several cutting edge theories such as Chiral Perturbation Theory (χPT) and Lattice QCD have provided valuable predictions in this regime, but Lattice QCD has not yet extended predictions of many important quantities to this kinematic region, and Chiral Perturbation Theory has faced several important disagreements with experimental data for the neutron over …

Multi-Level Characterization Of Plasticity, Fracture, And Phase Transformation In Metals With Hexagonal Close-Packed Structure, Evgenii Vasilev

Doctoral Dissertations

In this thesis, contributions to characterization of plasticity, fracture, and phase transformation in metals with hexagonal close-packed structure are presented. First, the structure-properties correlations are established for Mg-1.3Zn-0.4Ca-0.4Mn and Mg-1.5Nd alloys. Next, the role of microstructural features such as gran/twin boundaries in the development of damage and fracture in magnesium is discussed. Then, a structure metric for quantitative assessment of fracture is developed and validated on magnesium and titanium alloys. Experimental studies on plasticity are followed by crystal plasticity modelling of Taylor impact test on zirconium to correlate experimental and predicted evolution of microstructure and shape change. Finally, a phase …

Ionospheric O+ And H+ Outflow During Geomagnetic Storms, Niloufar Nowrouzi

Doctoral Dissertations

A geomagnetic storm begins when solar wind carrying southward IMF Bz impinges upon the Earth’s magnetosphere. There are two major structures that can cause a geomagnetic storm: streaminteraction regions (SIRs) and coronal mass ejections (CMEs). The two types of structures differ in the strength of the magnetic field and the time length of southward Bz, and so the effects on the magnetosphere are different. One result of the energy input from the solar wind is ionospheric outflow. Because of solar wind-magnetosphere-ionosphere coupling, ionospheric ions can become a significant source for the magnetosphere during geomagnetic storms. In this thesis, I performed …

Advanced Electronics And Post-Processing Algorithm For The Sontrac 3d Neutron Spectrometer, George Suarez

Doctoral Dissertations

The second-generation SONTRAC instrument is being designed by UNH and NASA to detect solar neutrons, a game-changing observation for understanding particle acceleration at the Sun. The new instrument targets small satellites with highly constrained size, mass, and power; bringing a new set of challenges to the design of the instrument electronics. SONTRAC uses silicon photomultiplier detectors to image neutron scattered proton tracks in a scintillating fiber bundle. Individual detector readout provides the best performance, but is not achievable within the size, mass and power constrains for a small satellite. To overcome this problem, we explored detectors configured in strips to …

Disordered Cathode Electrode Materials For Aqueous Zinc Ion Batteries And The Effect Of Conditioned Electrolytes In Cycling Performances, Saewon Kim

Doctoral Dissertations

Electrochemical energy storage is essential to free various electronic devices from electric wiring. Besides the prominent lithium-ion batteries, next-generation batteries using zinc ions as charge carriers in aqueous electrolytes have risen as attractive alternatives due to their superior safety, environmental-friendliness, low cost, and excellent theoretical performance. However, high-performance cathode materials to accommodate the capacity and cyclability of zinc-ion storage have been lacking because of the strong electrostatic interaction between multivalent Zn-ions and host cathode materials. This study suggests a few varieties of vanadium oxide derivatives with large interlayer spaces, excellent structural stability, and finely tuned structural properties. Alkali-intercalated vanadates (MVOs) …

Elastic Electron Scattering From Mirror Nuclei 3he And 3h., Leiqaa Kurbany

Doctoral Dissertations

The primary aim of my work is the extraction of the elastic cross-sections from data collected in Jefferson Lab Hall A experiment E12-11-112, which measured inclusive elastic scattering from the mirror nuclei 3He and 3H at low momentum transfer. I determined the ratio of the 3He and 3H cross-sections since it cancels many of the systematic uncertainties that enter the absolute cross-section extraction, and it reduced fractional uncertainty to 1.85%. By going to low energy and forward angle, the effect of the magnetic form factor Fm(Q2) can be minimized, which allows for an extraction of the charge form factor Fch(Q2) …

Callery Pear Allelopathy Study, Michaela J. Woods, Jonathan T. Bauer, Dena Schaeffer, Ryan W. Mcewan

Five Rivers MetroParks Collaboration Data Archive

No abstract provided.

Channel Catfish - Ictalurus Punctatus, Jason E. Rosales, David William Kerstetter

All Scans: Kerstetter Fisheries and Avian Ecology 3D Scan Series

Neurocranium total length is 110.81 mm, [CHANNEL CATFISH , Ictalurus punctatus} collected from Canal in Davie on November 18th, 2022 by Zachary

Microplastic Risk Characterization Of Plastic Road, Md Shams Razi Shopnil

Civil Engineering Dissertations - Archive

In recent past, the act of waste recycling has been diversified in manifolds across the world leading to evolution of newer recycling technique and fresh recycled product. Albeit plastic is one of those waste materials which is getting extremely difficult to get substantially recycled because of its record-breaking production, consumption, and its wide range of variations in properties ultimately leading to substandard recycling status of plastics globally. This seemingly poor status of waste plastics recycling against the gargantuan amount of fresh plastic products being added to consumer stream gives rise to a menacing one directional problem: Plastic Pollution, which is …