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Full-Text Articles in Engineering

Noise Threshold And Normalization By Contrast Parameter For Atomization During Droplet Impingement, Alexander White, Julie Crockett Jun 2019

Noise Threshold And Normalization By Contrast Parameter For Atomization During Droplet Impingement, Alexander White, Julie Crockett

Journal of Undergraduate Research

The purpose of this report is to remind the reader of goals initially set in conjunction with the original ORCA Grant project proposal in October 2017, to discuss logistical difficulties in carrying out the original project and subsequent adjustments in scope and topic of work, to represent efforts toward obtaining results during the grant period, and to comment on the implications of the study for future research and the award’s impact on its recipient’s future.


Gas Detection System For Biomass Cookstove Emissions, Jeffery Smith, Cyera Bishop, Matthew Jones Jun 2019

Gas Detection System For Biomass Cookstove Emissions, Jeffery Smith, Cyera Bishop, Matthew Jones

Journal of Undergraduate Research

The purpose of this research project was to explore Peruvian social and cultural behaviors that typically prevent successful improved cookstove adoption in resource-limited settings as well as suggest ways to educate locals about the benefits of improved cookstoves. This will be done by a BYU Global Engineering Outreach (GEO) team, including ORCA recipients Cyera Bishop and Jeffery Smith, constructing a cost-effective, easy-to-use gas detection sensor system capable of measuring concentrations of harmful gases released from biomass cookstoves typically found in Peruvian communities.


Proof-Of-Concept Tremor Suppression Sleeve For Essential Tremor Patients, S. Adam Stringham, Dr. Steven K. Clarles Jun 2019

Proof-Of-Concept Tremor Suppression Sleeve For Essential Tremor Patients, S. Adam Stringham, Dr. Steven K. Clarles

Journal of Undergraduate Research

Essential Tremor (ET) is among the most common movement disorders. It is characterized by involuntary, rhythmic movement in the body, most often in the hands or head. The primary treatment options include deep brain surgery and/or medication, both of which can cause undesired side effects. The Neuromechanics Research Group at BYU is investigating alternative treatments by studying the effect of low-level electrical stimulation of affected extrinsic hand muscles on tremor in ET patients. While the research may prove promising, there are still several obstacles to overcome for this approach to be practical. To apply electrical stimulation, self-adhesive electrodes are placed …


Product Design For Children With Limb Defects, Cecilee Petersen, Richard Fry Jun 2019

Product Design For Children With Limb Defects, Cecilee Petersen, Richard Fry

Journal of Undergraduate Research

Congenital Limb Deficiency (CLD) occurs when a fetus’s upper or lower limbs do not form completely during pregnancy. This project analyzes how girls aged seven to thirteen years with upper-limb CLD adjust to daily tasks and supports the design of a mechanism to help them perform a specific activity independently. Early research became the foundation for a case study of an eight-year old girl named Ava. Ava was born with only one elbow-length cleft hand on her right side and one finger connected to her left shoulder joint . She learns to use her “nubs” effectively for most tasks, such …


Does Hypochlorous Acid Accelerate The Degradation Of Absorbable Sutures, Stephen Pinnock, Anton Bowden Jun 2019

Does Hypochlorous Acid Accelerate The Degradation Of Absorbable Sutures, Stephen Pinnock, Anton Bowden

Journal of Undergraduate Research

Patients who undergo surgery may experience infection in the surgical site due to bacteria with a biofilm phenotype. This biofilm can render the bacteria resilient to standard antibiotics and the wound must be disinfected with an antimicrobial solution. Hypochlorous acid (HOCl) is a commonly used surgical antimicrobial used to disinfect these surgical sites. However, there is uncertainty as to whether the HOCl affects the stiffness and strength of the remaining sutures. These sutures are typically absorbable and need to maintain their integrity for the wound to heal properly. The purpose of this mentored research was to determine the effects of …


Impact Of Micro- And Nano-Structured Surfaces On Condensation Heat Transfer Effectiveness, D. Jacob Butterfield, Dr. Brian Iverson Jun 2019

Impact Of Micro- And Nano-Structured Surfaces On Condensation Heat Transfer Effectiveness, D. Jacob Butterfield, Dr. Brian Iverson

Journal of Undergraduate Research

This paper reports observations from condensation heat transfer tests performed on superhydrophobic (water-repelling) surfaces. Condensation is used in heat transfer applications ranging from industrial power generation to desalination. Superhydrophobic surfaces have been discovered to increase the effectiveness of this heat transfer process by increasing water droplet mobility. This project was concerned with quantifying the ability of superhydrophobic surfaces to increase the rate of heat transfer, thus making the processes condensation is used in potentially much more efficient.


Passive Cubesat Probes For Affordable, Low-Risk Inspection Of Space Vehicles, Josh Cannon, Brian Iverson Jun 2019

Passive Cubesat Probes For Affordable, Low-Risk Inspection Of Space Vehicles, Josh Cannon, Brian Iverson

Journal of Undergraduate Research

Effective fault detection is vital for safe and reliable spacecraft performance. Traditionally, developers have relied almost exclusively on on-board instrumentation to detect faults in spacecraft performance. Remote inspection can provide a holistic complement to on-board instrumentation, but it is seldom incorporated into spacecraft missions due to its cost and risk. As a result, multiple spacecraft have been lost due to unchecked faults in areas without instrumentation.