Mechanical Engineering: Recent submissions
Now showing items 1-20 of 816
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Design of bio-exoskeleton for elbow rehabilitation
(American Society of Mechanical Engineers, 2020-05-11)In this study, a methodology for designing a task-based exoskeleton which can recreate the end-effector trajectory of a given limb during a rehablitation task/movement is presented. The exoskeleton provides an option to ... -
Catalytic pyrolysis of recycled HDPE, LDPE, and PP
(SAGE Publications, 2021-05-25)Plastic waste has been growing every year, and as a result, environmental concern has been a topic of much attention. Many properties of plastics, such as their lightweight, durability, and versatility, are significant ... -
Sustainable atmospheric fog water generator through superhydrophobic electrospun nanocomposite fibers of recycled expanded polystyrene foams
(Elsevier, 2021-08-01)In recent years, the production of disposable plastic products is increasing day by day and resulting in global growing concern that it poses to the environment. Microorganisms hardly resolve these types of plastic wastes; ... -
Enhancing the short-beam strength of composite laminates using helical carbon nanotubes
(Elsevier, 2021-09-15)The main disadvantage of traditional composite laminated structures is the lack of reinforcement in out-of-plane direction in between the laminae and the fiber filaments. This will result in poor interlaminar properties ... -
Evaluation of the infill design on the tensile response of 3d printed polylactic acid polymer
(MDPI, 2021-04-25)The current study explores the effects of geometrical shapes of the infills on the 3D printed polylactic acid (PLA) plastic on the tensile properties. For this purpose, by utilizing an accessible supply desktop printer, ... -
Enhancing the performance of dielectric elastomer actuators through the approach of distributed electrode array with fractal interconnects architecture
(IOP Publishing, 2021-04-27)Dielectric elastomer actuators fabricated from thin and miniaturized metal electrodes integrated with highly soft and stretchable elastomers offer the promise of opening new possibilities in the field of microrobotics. To ... -
Interlaminar properties improvement of nanocomposites using coiled nanomaterials
(SAE International, 2021-03-02)In this research helical Carbon Nanotubes (CNTs) with various weight percentages as an additional reinforcement were used. The objective was to investigate the effectiveness of helical geometries of the CNTs to form ... -
Current progress of 4D-printing technology
(Springer Nature, 2021-04-14)The combination of smart materials to print a three-dimensional (3D) product has primarily driven the development of innovative technology, or four-dimensional (4D) printing. 3D-printing technology seems to have provided ... -
Geothermal cooling system for a small house
(Wichita State University, 2021-04-02)With the rising cost of air conditioning, and the increasing environmental pollution caused by refrigerants, an alternative method for residential cooling needs to be considered. The objective of this research is to find ... -
Interlaminar properties improvement of polymeric nanocomposites using helical carbon nanotubes
(Wichita State University, 2021-04-02)Polymer based composite materials are widely used in industries like aerospace, automobile, ship building, renewable energy, spaceships, recreational industry etc. One of the largest consumers of polymeric composite materials ... -
Identifying motivational factors in robot-based assist-as-needed rehabilitation
(Wichita State University, 2021-04-02)INTRODUCTION: Globally, 2.41 billion people can benefit from rehabilitation due to various injuries or diseases (WHO, 2019). Traditional rehabilitation relies on techniques that are physiological in nature (e.g., assisted ... -
Understanding the physics of droplet electrocoalescence in a microfluidic device
(Wichita State University, 2021-04-02)This work details a parametric study for merging millimeter sized oil droplets, using an electric field, to simulate a mesoscale version of the microfluidic device. This was done to see if the physics of droplet merging ... -
S.E.L.E.N.E: System Engineered for Lunar Environment, Navigation, and Exploration
(Wichita State University, 2021-04-02)Augmented Reality (AR) display technologies utilize computer-generated virtualized content to enhance the observer's perception of the physical environment. This NASA SUITS (Spacesuit User Interface Technologies for Students) ... -
Description of electrostatic zipper actuator dynamics for nonzipped operations
(Wichita State University, 2021-04-02)There is a need for an efficient actuator that consumes less power and produces large displacements for microrobotic applications. The electrostatic zipper actuators have the potential to drive microrobots; however, these ... -
Bismuth Sulfide and Titanium Oxide as photo-electrode materials for dye sensitized solar cells
(Wichita State University, 2021-04-02)Energy production for day-to-day use is moving towards renewable energy sources due to them becoming more economically viable, while being less polluting to operate. Solar energy has become one of the major sources of ... -
Process mapping of additively-manufactured metallic wicks using Bayesian approach
(Wichita State University, 2021-04-02)INTRODUCTION: Wick structures are porous media that provide spontaneous capillary action to maintain fluid circulation in advanced two-phase thermal management systems. However, the conventional manufacturing approaches ... -
Brain-computer interface to control a 6 DOF robotic arm
(Wichita State University, 2021-04-02)In this study, a brain-computer interface (BCI) system is developed to control a six degrees of freedom robot arm. Such interface systems have a potential application in space missions for astronauts to have supplemental ... -
Enhancing the performance of elastomer actuators through the approach of distributed electrode array with fractal interconnects architecture
(Wichita State University, 2021-04-02)Dielectric elastomer actuators are flexible and stretchable transducers which are known to achieve large displacements at high speeds and require low power for operation with applications in microrobotics, portable ... -
Phase-change heat transfer of bare surface evaporator with phase-separating wick in downward facing orientation
(Elsevier, 2021-07-01)Liquid-vapor, phase-change heat transfer using wicks can provide reliable and high heat flux cooling capability, especially in microgravity applications. However, the maximum heat removal capacity, also known as Critical ... -
Improving fluid retention properties of 316L stainless steel using nanosecond pulsed laser surface texturing
(Laser Institute of America, 2020-11)stainless steel has been used as a successful biomaterial for decades. In this study, a pulsed nanosecond laser was used to create patterned surfaces of stainless steel coupons to study the effect of patterning on fluid ...