School of Engineering & Computer Science: Recent submissions
Now showing items 1-20 of 280
-
Variation of cold-soaked fuel frost roughness with location on a flat plate.
(2021-11-09)Cold-soaked fuel frost occurs when moist air flows over an aircraft surface that is colder than the dew point temperature following a flight. Previous studies show that cold-soaked fuel frost depends on surface temperature, ... -
Mechanical and thermal property prediction in single beads of large area additive manufactured short-fiber polymer composites.
(2021-12-06)The prediction of mechanical and thermal properties of 3D printed short-fiber reinforced polymers (SFRPs) are investigated in this study. Methods are demonstrated for predicting the internal spatially varying fiber orientation ... -
Enabling and directing real-time cognitive radar transmitter optimization.
(2021-10-27)As the available wireless spectrum grows more crowded with increased usage from high bandwidth telecommunications applications, it becomes infeasible for many other users of wireless spectrum to continue operating with ... -
Evaluation of carbon fiber laminates via the use of pulse-echo ultrasound to quantify ply-stack orientation and manufacturing defects.
(2021-11-10)The use of carbon fiber composites have become more prevalent. Laminated composites provide advantages over traditional materials as the final properties of the part can be tuned. These materials also provide new challenges ... -
Neural network watchdog for out-of-distribution input mitigation.
(2021-10-19)Neural networks have often been described as black boxes. The prevalence of publicly available neural networks and the application of transfer learning has allowed for the development of systems with minimal understanding ... -
High-fidelity simulation of air-assisted atomization with inlet gas turbulence.
(2021-11-03)Atomization is the process for bulk liquids to disintegrate into small droplets, which is commonly seen in nature and and industrial applications. Airblast atomization is an air-assisted atomization approach and is widely ... -
Asynchronous image reconstruction.
(2021-12-13)Algebraic Reconstruction Technique, also known as ART, is the go-to method for medical image reconstruction. For more than 50 years, since the original paper about ART is published, various reconstruction methods based on ... -
Reducing the size and power of stochastic computing neural networks through training.
(2021-08-01)It has been demonstrated that stochastic computing (SC) has the ability to reduce the size and power requirements of artificial neural network (ANN) circuits [1]. There are two prevailing SC neuron topologies: multiplexer ... -
Essential elements of proton computed tomography for practical applications.
(2021-07-30)The work presented in this dissertation all pertains to developments of proton computed tomography (pCT) and the elements essential to its viability as a clinical imaging modality. This includes methodological and ... -
Study of pumping conditions on output of optically pumped interband cascade lasers.
(2021-08-08)This thesis presents the results of optically pumping two interband cascade laser (ICL) semiconductor samples and measuring both their output power and spectral data. The samples were prepared by the Naval Research Laboratory ... -
Static analysis-based software architecture reconstruction and its applications in microservices.
(2021-08-10)Microservice architecture (MSA) is the predominant building block of modern cloud-based enterprise applications. MSA has several advantages over monolithic applications like scalability and maintainability, but it comes ... -
On the performance of convolutional neural networks initialized with Gabor filters.
(2021-08-05)Over the years, image recognition has been gaining popularity due to its various possible usages. Convolutional Neural Networks (CNNs) have been the classic approach taken on by many researchers because of their capability ... -
Internal fiber orientation measurements and void distribution for large area additive manufactured parts using optical and SEM imaging techniques.
(2021-08-10)The use of additively manufactured parts for industrial applications has grown is often limited by their structural performance and compromised thermal dimensional stability. The addition of carbon fiber reinforcements, ... -
Moment analysis methods of ultrasonic waveforms to characterize the internal temperature and melt transition boundary for materials with irregular porosity.
(2021-08-05)The utilization of acoustic measurements occurs frequently in a multitude of industries. Monitoring the internal thermal and phase states of materials is of particular interest to the petro-chemical, food, and polymer ... -
Nondestructive evaluation of out-of-plane wrinkles within woven carbon fiber reinforced plastics (CFRP) using ultrasonic detection.
(2021-08-10)In the automotive and aerospace industries composite materials are heavily utilized as they provide a great strength to weight ratio relative to their metallic counterparts. A drawback is they require complex manufacturing ... -
The influence of vapor pressure on droplet contact dynamics on smooth surfaces.
(2021-07-14)Droplet impact experiments were performed with different fluids using Total Internal Reflection Microscopy (TIRM) on a smooth surface to gain insight into the mechanism for the air film failure of volatile liquids. Several ... -
Unsupervised representational learning of hierarchical graphs with graph convolutional networks.
(2021-04-30)Interpretation of functional genomic data attempts to correlate gene and protein expression with phenotype. While direct analysis of gene relationships associated with phenotype manifestation provides reasonable correlations, ... -
Improving the quality of proton CT scan images by utilizing straggling power.
(2021-04-27)Proton therapy has grown in interest within the medical community for its promise in cancer treatment. Proton CT (pCT) scans are an essential part of this process to map treatment areas, but a common problem is the lack ... -
Evaluating a commercially available, immersive virtual reality system for measuring common lower body rehabilitation motions.
(2021-05-04)Lower body rehabilitation has been marked by qualitative assessments and observations. Quantitative measuring devices often present a financial burden that many clinics cannot overcome. Virtual Reality (VR) systems offer ... -
Design and demonstration of an optical cavity-based biosensor using three wavelengths to improve fabrication tolerance.
(2021-05-01)As diseases and cancers progress, the chances of survival depreciate; early detection is vital for improving success rates. Despite dedicated research, diagnosis has remained static—initial consultation, scanning, and then ...