### Recent Submissions

• #### Additive manufacturing of functionally-graded copper/aluminum wick structures by hot-pressing for enhanced thermal performance ﻿

(Wichita State University, 2022-05)
Two-phase passive cooling systems such as heat pipes and vapor chambers (also known as flat heat pipes) are widely used for its reliable high heat flux cooling capacity and its ability to transfer heat over large distances ...
• #### Description of snap-through instability in curved beams for millimeter scale actuation ﻿

(Wichita State University, 2022-05)
In microelectromechanical systems (MEMS), engineers must accurately predict the nonlinear response of thin post-buckling beams, especially the nonlinear transverse stiffness. The bistability of post-buckling beams can ...
• #### Design and synthesis of bismuth sulfide and exploration of it’s application as a photo-electrode material in third generation solar cells ﻿

(Wichita State University, 2022-05)
Since energy production for day to day use is moving towards renewable energy sources as these sources become more economically viable, while being less polluting to operate. Solar energy has become one of the major ...
• #### Feasibility of a geothermal assisted air conditioning system without a refrigerant ﻿

(Wichita State University, 2022-05)
In this thesis we studied the feasibility of an alternative method of air conditioning using only the constant ground temperature and without the use of any refrigerants. In place of refrigerants, we use ethylene glycol ...
• #### Bias of facial analysis at NIR spectrum ﻿

(Wichita State University, 2022-05)
This paper investigates the effectiveness of using NIR images to mitigate bias in facial recognition and gender classification systems. Two datasets, CASIA-Africa and Notre Dame (ND-VIL) were combined to create a dataset ...
• #### Human adaptation to augmented reality-based hand rehabilitation technique ﻿

(Wichita State University, 2022-05)
Stroke is the number one cause of motor impairment in multiple countries [1]. The demand and affordability of physiotherapy are factors that prevent access to rehabilitation. Modern technology has found a successful solution ...
• #### Cylindrical sheet forming analysis of hexagonal cell honeycomb core using 3D finite element analysis ﻿

(Wichita State University, 2022-05)
This document presents the creation of a detailed 3D numerical model of a fiberglass/phenolic hexagonal honeycomb core for studying in-plane and flexural responses. The core cell geometry was modeled in detail to be ...
• #### Detection of dissolved $CO_2$ gas using an RF resonant sensor ﻿

(Wichita State University, 2022-05)
Carbon dioxide $(CO_2)$ in the blood has the potential to cause severe health detriments as well as milder cognitive effects if its concentration increases to unsafe amounts- typically either through environmental exposure ...
• #### A machine learning framework to predict subcellular morphology of endothelial cells for digital twin generation ﻿

(Wichita State University, 2022-05)
Gaining insight into different cell behaviors is key to better understanding different pathologies. These behaviors may be explained in part through close observation of 3D cell morphology. Therefore, the objective of this ...
• #### The relationship between preference and performance using three passive exoskeletons during simulated aircraft manufacturing tasks ﻿

(Wichita State University, 2022-05)
Exoskeletons are a promising technology that could bridge the gap between unassisted human operations and conventional robots. Many studies on shoulder exoskeletons have shown great benefit in reducing strain and loads ...
• #### Study of architectural effects on the homogenized material properties of hyperelastic materials ﻿

(Wichita State University, 2022-05)
This research aims at obtaining the material response of homogenized 3D printed elastomers under three loading conditions, uniaxial tension, equibiaxial tension, and planar tension. The finite element model of 3D printed ...
• #### Design and analysis of compliant electrostatic actuators for robotics ﻿

(Wichita State University, 2022-05)
In this work, two different types of electrostatic actuators (dielectric elastomer actuator and curved electrode actuator) are designed and analyzed. Dielectric elastomer actuators (DEA) are a type of electrostatic actuators ...
• #### Application of machine learning models and feature engineering to predict genomic phenomena ﻿

(Wichita State University, 2022-05)
This dissertation investigates two topics towards designing tiny machine learningbased intelligent devices for biomedical applications. In the first section, feature engineering and machine learning models are developed ...
• #### An investigation of canted adjustable endplates for the control of drag ﻿

(Wichita State University, 1954-04)
Wind tunnel tests were conducted on a model wing with a Clark Y airfoil section. The wing, which had an aspect ratio of 5 with no taper, was made with a full span leading edge slot and a 30% chord slotted flap. Wing tip ...
• #### Drone strike analysis on windshield of a helicopter using finite element method ﻿

(Wichita State University, 2021-12)
Mid-air collisions of manned rotorcrafts with Unmanned Arial Systems (UASs) or drones, are a major risk to helicopters as they may result in significant loss of human life, injuries, and property damages. The current ...
• #### Dynamics of rear-seat car occupants in regulatory full-width, offset, and proposed oblique-offset rear-end collisions ﻿

(Wichita State University, 2021-12)
Even though rear-end crashes are third among various collision types, occupant injuries from these incidents contribute for around one-third of all collisions. The National Highway Traffic Safety Administration (NHTSA) ...
• #### Investigating a correlation between manual handling tasks and fatigue activity via a psychophysical approach ﻿

(Wichita State University, 2021-12)
Although robotics and automation machines are leading over modern industry, manual material handling tasks remain inevitable due to high demand in the workplace. Unsafe manual handling tasks affect many people in the ...
• #### Online localization using only internal sensors on a smartphone ﻿

(Wichita State University, 2021-12)
Despite the omnipresent smartphones and navigation apps, indoor navigation continues to be a challenge for blind and visually impaired individuals (BVI). Global Positioning System (GPS), while being highly reliable outdoors, ...
• #### Smart wireless, flexible hybrid electronics for fall risk monitoring among older adults ﻿

(Wichita State University, 2021-12)
Elderly’s fall is a serious medical risk since it might result in irreversible health injuries such as bone damage due to their normal changes of aging, especially elderly age 65 or older. However, there is still a lack ...
• #### Heating performance impact on a mechanical packaged heat pump using all aluminum indoor heat exchanger and reduced copper outdoor heat exchanger ﻿

(Wichita State University, 2021-07)
The core objective of this study was to analyze the effect of aluminum tube with an improved fin design in a mechanical package heat pump, determine the efficiency of the heat pump, and to take a pragmatic look at the ...