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Full-Text Articles in Engineering
A Comparison Of Methods To Measure Crop Water Use In South Carolina, Andrew C. Ewing
A Comparison Of Methods To Measure Crop Water Use In South Carolina, Andrew C. Ewing
All Theses
The objective of this thesis was to compare cost-effective methods of measuring crop water use, known as evapotranspiration (ET), in South Carolina’s humid climate. The methods analyzed were the surface renewal method (SR), the Eddy Covariance method (EC), large in-field weighing lysimeters, a newly developed pressure differential device (PDD), a Class A Evaporation pan, and the Penman-Monteith equation. In the first chapter, ET measurements obtained by SR were compared to ET measured by EC and weighing lysimeters. For reference, EC and SR track the energy budget to estimate ET, while the weighing lysimeters used in this study are box-like containers …
Sharing Is Caring: Assessing Willingness To Share Autonomous Vehicles For Evacuation And Disaster Relief, Thomas Alan Shirley
Sharing Is Caring: Assessing Willingness To Share Autonomous Vehicles For Evacuation And Disaster Relief, Thomas Alan Shirley
All Theses
Coastal areas in the southeastern United States face the threat of hurricanes each year. Some of the greatest danger associated with these storms is experienced by citizens without personal means to evacuate. Along with storms comes the inevitable post-disaster relief process of evaluating losses and delivering supplies. With the rapid development of autonomous vehicle technology, this study examines the potential use of autonomous vehicles, publicly or privately owned, to assist in these evacuation and disaster relief efforts. Examining this new field of study, the researchers hosted three focus groups and received 1050 responses to an online survey. Based on the …
Characterization Of Mechanical, Thermodynamic And Surface Properties Of The Butterfly Proboscis, Tatiana Stepanova
Characterization Of Mechanical, Thermodynamic And Surface Properties Of The Butterfly Proboscis, Tatiana Stepanova
All Theses
The butterfly proboscis is a fascinating fiber designed to probe and transport fluids. The built-in sensors and actuators make this fiber multifunctional. The proboscis consists of 2 hollow C-shaped tubes that are united when the butterfly comes out of the pupa. A single galea consists of a solid cuticular wall, muscles, nerves, and tracheae. The proboscis cuticular wall is mainly composed of polymers and small amounts of metals and non-metals. The proboscis is a porous material, and its water content is high, up to 50%. When the butterfly is not hungry, its proboscis is tightly coiled; when the butterfly is …
Mechanical Analysis Of Double Network Hydrogels To Determine Suitability As An Articular Cartilage Substitute, Casey Virginia Young
Mechanical Analysis Of Double Network Hydrogels To Determine Suitability As An Articular Cartilage Substitute, Casey Virginia Young
All Theses
The Center for Disease Control has found that between 2013-2015, 26% of women and 19% of men reported doctor-diagnosed cartilage disease or damage. Currently, there exists a substantial population with cartilage damage or disease needing a solution to increasing pain and decreasing function and mobility. Many of these individuals are young and thus looking for a treatment to delay a total knee replacement. Many others are elderly and thus looking to avoid major surgeries, as the riskiness of these procedures increases with age. As researchers look towards a method of cartilage replacement, hydrogels show measurable potential as a synthetic substitute …
Delineating The Relationship Between Cardiovascular Physiology And Subject Characteristics Using Computational Modeling And Systemic Review, Aseem Pradhan
All Theses
Lumped Parameter Networks (LPN) are computational models that can capture the systemic responses of the cardiovascular system. An LPN describes the systemic behavior by providing outputs such as the blood pressure, flowrate, and heart chamber volume at the points defined in the network. To use the LPN for medical applications, it needs to provide output values that represent the physiology of realistic subjects. The cardiovascular system exhibits short-term and long-term adaptations to factors such as aging, weight gain, exercise, etc. Therefore, subject characteristics such as age, height, weight, etc. affect the output values of the LPN. Current literature reports the …
Static Pressure Recovery Effects Of Conical Diffusers With Swirling Inlet Flow, James Ray Wright Iii
Static Pressure Recovery Effects Of Conical Diffusers With Swirling Inlet Flow, James Ray Wright Iii
All Theses
Conical diffusers are used in hundreds of engineering applications in various industries. Some of the operating conditions that they operate under cause swirling flow to enter the diffuser. It is generally well documented that the addition of swirl to the flow of a diffuser allows for greater divergence angles without wall separation, resulting in better overall performance of the diffuser and the machine it’s attached to. It is also known that as swirl strength is increased, the flow will eventually breakdown, resulting in internal flow recirculation and decreased diffuser performance. However, the relationship between the diffuser geometry and its performance …