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(1 - 8 of 8)
- Title
- First Arctic Under-ice Ocean Walking Laboratory (FAU OWL).
- Creator
- Prescod, Hanifah, Su, Tsung-Chow
- Abstract/Description
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This study is to design an autonomous underwater robotic laboratory for different missions within the Arctic environment. Missions involve locating natural resources such as oil deposits, determining if the area is a feasible location for deployment of sea and air systems for many operations, and to obtain water and mineral samples to study and monitor the changing Arctic environment. Thus far, we demonstrated the feasibility of an autonomous walking robot that can be used to explore the...
Show moreThis study is to design an autonomous underwater robotic laboratory for different missions within the Arctic environment. Missions involve locating natural resources such as oil deposits, determining if the area is a feasible location for deployment of sea and air systems for many operations, and to obtain water and mineral samples to study and monitor the changing Arctic environment. Thus far, we demonstrated the feasibility of an autonomous walking robot that can be used to explore the Arctic by walking under a sheet of ice. A key component of this is that by controlling the robot’s buoyancy the robot will be capable of walking upside down under a wooden plank. We water proofed a commercially available model robot and carried out the experiment in the Hydrodynamics Laboratory. The preliminary investigation contributes to an internal proposal submitted to I-Sense Internal Fund Program.
Show less - Date Issued
- 2018
- PURL
- http://purl.flvc.org/fau/fd/FAU_SR00000048
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Electrochemical Process of Biorock for Carbon Dioxide Capture.
- Creator
- Harris, Alyssa, Freudenberg, Andrew, Lopez, Michael, Muslera, Pedro, Su, Tsung-Chow
- Abstract/Description
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The purpose of this study is to utilize information and data gathered from previous studies pertaining to the BioRock® method, patented by Dr. W. Hibertz and T.J. Goreau in 1974. Biorock® stimulates the growth of coral reefs utilizing natural reef processes and electrochemistry to remove CO2 from the atmosphere. Our aim is to make the process more efficient to achieve large scale atmospheric carbon dioxide sequestration. A pH sensor in the water and CO2 sensor is in place to quantify and...
Show moreThe purpose of this study is to utilize information and data gathered from previous studies pertaining to the BioRock® method, patented by Dr. W. Hibertz and T.J. Goreau in 1974. Biorock® stimulates the growth of coral reefs utilizing natural reef processes and electrochemistry to remove CO2 from the atmosphere. Our aim is to make the process more efficient to achieve large scale atmospheric carbon dioxide sequestration. A pH sensor in the water and CO2 sensor is in place to quantify and confirm the reduction of CO2 in the water and air above, all within a sealed tank. The first experiment in this study used an iron mesh with an electric current running through it to collect the limestone that serves as the base for a reef. However, the iron oxidized instead of collecting limestone. Future testing will utilize a lead plate as it is less susceptible to rusting.
Show less - Date Issued
- 2014
- PURL
- http://purl.flvc.org/fau/fd/FA0005021
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Development of a Cooling Wristband with Embedded Temperature Monitor.
- Creator
- Mandelare, Lyndsey, Su, Tsung-Chow, Office of Undergraduate Research and Inquiry
- Abstract/Description
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Previous studies have shown that the human body is responsive to rapid temperature changes, particularly in the forearm region, when determining comfortable temperatures. The goal of this study is to design a wristband that can passively cool the user through a finned design and to test its effectiveness. To this end, an aluminum finned wristband has been designed and the Adafruit Flora wearable microcontroller was used to monitor the temperature and output the data via Bluetooth. An Android...
Show morePrevious studies have shown that the human body is responsive to rapid temperature changes, particularly in the forearm region, when determining comfortable temperatures. The goal of this study is to design a wristband that can passively cool the user through a finned design and to test its effectiveness. To this end, an aluminum finned wristband has been designed and the Adafruit Flora wearable microcontroller was used to monitor the temperature and output the data via Bluetooth. An Android application was then created to read the data output and save it as a text file that could be output elsewhere. This project will be tested by recording the temperature data as test subjects engage in physical exercise to see if the wristband can continuously cool the user.
Show less - Date Issued
- 2017
- PURL
- http://purl.flvc.org/fau/fd/FA00005627
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Spreading Dynamics of Water Film on a Vibrating Glass.
- Creator
- Kendrick, Brandon, Wilson, Robert, Chau, Jimmy, Su, Tsung-Chow
- Abstract/Description
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We examine experimentally, the spreading dynamics of a wetting water film on plate glass when subjected to vibrations. Both mechanical and acoustic sources of vibrations are considered. The water is wetted on a simply supported rectangular piece of plate glass. Several glass inclinations are tested, with different exciting frequencies. Furthermore, we add different chemicals on the glass surface. This changes the contact angle of the water droplets. Doing this allows the examination of the...
Show moreWe examine experimentally, the spreading dynamics of a wetting water film on plate glass when subjected to vibrations. Both mechanical and acoustic sources of vibrations are considered. The water is wetted on a simply supported rectangular piece of plate glass. Several glass inclinations are tested, with different exciting frequencies. Furthermore, we add different chemicals on the glass surface. This changes the contact angle of the water droplets. Doing this allows the examination of the effect of adhesion versus cohesion, in regards to the behavior of the water spreading on the plate glass. Our attempt to elucidate the relevant physics is driven by the goal of providing a basis for replacing windshield wipers of future automobiles.
Show less - Date Issued
- 2018
- PURL
- http://purl.flvc.org/fau/fd/FAU_SR00000041
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Formation of Water Rings Around a Rotating Centroid in Oil.
- Creator
- Ferouz, Amir, Gill, Richard, Nasi, Norbert, Pipitone, Anthony, Su, Tsung-Chow, College of Engineering and Computer Science
- Abstract/Description
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In a tank filled with water at the bottom and oil floating on top, a straight rod reaching into the oil is set to rotate. The rotating rod is brought just above the oil/water boundary and is set to rotate at a speed greater than 200 revolutions per minute. It became evident that the rod’s rotation caused the oil/water interface to curve upward around the center of rotation, reaching up to the bottom of the rotating rod. Visible rings of water formed around the rod, starting at the bottom (at...
Show moreIn a tank filled with water at the bottom and oil floating on top, a straight rod reaching into the oil is set to rotate. The rotating rod is brought just above the oil/water boundary and is set to rotate at a speed greater than 200 revolutions per minute. It became evident that the rod’s rotation caused the oil/water interface to curve upward around the center of rotation, reaching up to the bottom of the rotating rod. Visible rings of water formed around the rod, starting at the bottom (at the oil/water interface) and ascending the rod, one by one. The water rings remained separate and ascended the rod until they eventually dispersed into the oil. Such quantization of water into rings has never been reported on before and represents a novel area of investigation in fluid dynamics. This study aims at obtaining quality photographic evidence to explain this phenomenon.
Show less - Date Issued
- 2015
- PURL
- http://purl.flvc.org/fau/fd/FA00005186
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Water Cone Improvement Project.
- Creator
- Foley, Michael, Zitani, Matthew, Scheigner, Kyle, Ortega, Abel, Fisken, Gordon, Su, Tsung-Chow, College of Engineering and Computer Science
- Abstract/Description
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Abstract Object of research is to improve a solar desalination device known as the Water Cone that creates potable water using solar energy. The water cone is a polymeric cone that sits overtop a dish of saline water. The water is evaporated by the sun and condenses back onto the surface of the cone creating fresh water. In an attempt to improve the cone’s water production, two different hydrophobic coatings are applied to the inside of two cones, which allow water droplets to flow at a much...
Show moreAbstract Object of research is to improve a solar desalination device known as the Water Cone that creates potable water using solar energy. The water cone is a polymeric cone that sits overtop a dish of saline water. The water is evaporated by the sun and condenses back onto the surface of the cone creating fresh water. In an attempt to improve the cone’s water production, two different hydrophobic coatings are applied to the inside of two cones, which allow water droplets to flow at a much faster rate, collecting water more quickly. Two water cones are coated separately, and are exposed to sunlight for five days. Water collection for the coated portion of the cone is compared to the uncoated portion of the cone. Results after a first trial show that coating A on the water cone impedes water collection whereas coating B appears to increase water collection.
Show less - Date Issued
- 2015
- PURL
- http://purl.flvc.org/fau/fd/FA00005188
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Comparison of the Rotational Behavior of Coffee Creamer in Two Different Liquid Media.
- Creator
- Lindstedt, Erik, Sandoval, Sarel, Gavalas, Sebastian, Nguyen, Kevin, Balark, Kamanie, Su, Tsung-Chow, College of Engineering and Computer Science
- Abstract/Description
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The purpose of this research was to explore dispersion patterns of coffee creamer when exposed to rotating fresh water. The dispersion patterns of the creamer were observed after being both added directly to the rotating water and when having to first traverse a layer of vegetable oil. A rotating platform supporting a beaker was controlled through a power supply. The power supply was adjusted and the dispersion patterns of the creamer were observed at 2, 4, and 6 volts. When added directly,...
Show moreThe purpose of this research was to explore dispersion patterns of coffee creamer when exposed to rotating fresh water. The dispersion patterns of the creamer were observed after being both added directly to the rotating water and when having to first traverse a layer of vegetable oil. A rotating platform supporting a beaker was controlled through a power supply. The power supply was adjusted and the dispersion patterns of the creamer were observed at 2, 4, and 6 volts. When added directly, at 2 and 6 volts, the coffee creamer displayed a pattern of swirling around the vertical axis with some dispersion radially towards the bottom of the beaker. At 4 volts bands were formed, which was likely the result of experimenter error. After the vegetable oil was added, the coffee creamer again displayed as swirls after crossing the oil but was not as distinct as when applied directly.
Show less - Date Issued
- 2015
- PURL
- http://purl.flvc.org/fau/fd/FA00005200
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
- Title
- Resulting Hydraulic Jump From Oscillatory Forces Acting on a Pipe.
- Creator
- Wehage, Tim, Caracci, Christian, Mechmet, Bryan, Garzon, Julian, Su, Tsung-Chow, College of Engineering and Computer Science
- Abstract/Description
-
Within the framework of ongoing research studying the effects of oscillatory forces on pipe flow, an experiment was conducted to investigate the relationship between the nature of said forces and hydraulic jump resulting from the impact of the exiting flow onto an orthogonal surface. To this end, a reservoir supplying constant head and near-hydrostatic conditions was equipped with an exit fitting in its lower section. A section of PVC tubing extended vertically downward from this exit point...
Show moreWithin the framework of ongoing research studying the effects of oscillatory forces on pipe flow, an experiment was conducted to investigate the relationship between the nature of said forces and hydraulic jump resulting from the impact of the exiting flow onto an orthogonal surface. To this end, a reservoir supplying constant head and near-hydrostatic conditions was equipped with an exit fitting in its lower section. A section of PVC tubing extended vertically downward from this exit point and was straddled by a pair of dynamic loudspeakers placed opposite each other and connected to a receiver's inputs so as to play a signal of specified frequency. The resulting turbulent jet flow was then allowed to drop to a horizontal plate of circular shape. The outer lip of the plate triggered a circular hydraulic jump whose location was found to be directly dependent on the frequency of the forces exciting the flow.
Show less - Date Issued
- 2015
- PURL
- http://purl.flvc.org/fau/fd/FA00005217
- Subject Headings
- College students --Research --United States.
- Format
- Document (PDF)
