### 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 ...
• #### 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 ...
• #### 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) ...
• #### 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 ...
• #### Design and manufacturing of hemoglobin-based multifunctional nanofibers for improved carbon monoxide absorption ﻿

(Wichita State University, 2021-12)
This study aimed to design and manufacture membranes that can filter and absorb carboxyhemoglobin and carbon monoxide for the treatment of carbon monoxide poisoning. The electrospinning process was used to obtain the ...
• #### Fast and affordable detection of PKU metabolic disorder using iron (III) chloride-based solutions and porous PCL biosensor ﻿

(Wichita State University, 2021-12)
Phenylketonuria (PKU) is a rare inborn error of metabolism and affects both kids and adults. PKU occurs due to the buildup of phenylalanine in the human body. If PKU is not detected and treated in its early stages, it ...
• #### Electrohydrodynamics of stationary mesoscale droplets for applications in fluid properties measurement and lab-on-chip devices ﻿

(Wichita State University, 2021-12)
Current fluid properties testing methods are bulky and property specific. They can be improved by implementing an all-in-one integrated lab on a chip device, that employs the principles of electrohydrodynamics. Current ...
• #### Design analysis of a mesoscale free piston engine for powering miniature unmanned aerial vehicles ﻿

(Wichita State University, 2021-12)
There is a need for a smaller, more efficient power solution for modern autonomous vehicles. In this work, current power solutions are discussed alongside modern manufacturing techniques to better leverage the potential ...
• #### Side impact evaluation with high performance polymers and improved design of impact beam as per FMVSS-214 regulations ﻿

(Wichita State University, 2021-12)
This study describes the development of a new side-impact beam design with high-performance polymer/plastic materials. The new designs are analyzed and contrasted with the original side impact beam made from conventional ...
• #### Multifunctional biomimetic scaffold with hydrogel for skin tissue engineering ﻿

(Wichita State University, 2021-12)
Chronic wounds have been a global health threat over the past few decades, requiring urgent medical and research attention. The delayed wound-healing process may be attributed to obesity, microbial infection, aging, edema, ...
• #### Designing, manufacturing, testing, and modeling motorcycle helmets using hybrid composite systems ﻿

(Wichita State University, 2021-12)
Roadside motorcycle accidents resulting in brain injury and ultimate death have become an important problem worldwide. Protection of motorcycle riders is an essential goal for motorcycle helmet manufacturers in designing ...
• #### Impact of building systems usage on indoor particulate matter $(PM_{2.5})$ concentration in residential buildings ﻿

(Wichita State University, 2021-07)
Indoor air quality (IAQ) is essential because people spend up to 90% of their time indoors. There are various sources of indoor air pollutants, including combustion, building materials, and outdoor air pollution. Particulate ...
• #### Exploration of integrated solar supercapacitor devices for solar energy conversion and storage ﻿

(Wichita State University, 2021-07)
As the world’s population is growing and moving towards the modernization, the demand of energy is gradually increasing every day. At the current rate of consumption of energy, the demand is to be increased by 65% by the ...
• #### Analysis of wayfarer side, front and rear impact with a lightweight pickup truck at center and front corners ﻿

(Wichita State University, 2021-07)
Wayfarer injuries and fatalities in the United States has taken an uprise in the past few decades. According to the data estimated by National Highway Traffic Safety Association (NHTSA), there are severe pedestrian injuries ...
• #### Dynamics of and injury assessment to occupants in high-speed planing boats under pure vertical loading condition using a human body model with active muscle behavior ﻿

(Wichita State University, 2021-07)
In the maritime industry, with special emphasis on military and rescue operations, often situations arise where a rapid response is required. During these periods, the use of high-speed planing crafts is of utmost ...
• #### Development of an adaptive exoskeleton for upper arm rehabilitaion ﻿

(Wichita State University, 2021-07)
Assistive technologies such as robotic and exoskeleton devices are utilized to aid in Activities of Daily Living (ADLs) and in rehabilitation tasks to alleviate and restore some of the lost degrees-of-freedoms (DOFs). ...