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Articles 18511 - 18540 of 30239
Full-Text Articles in Mechanical Engineering
Mobybike Human Powered Hydrofoil, Steven Bieri, Tim Buckmaster, Kristen Heckman
Mobybike Human Powered Hydrofoil, Steven Bieri, Tim Buckmaster, Kristen Heckman
Mechanical Engineering
The purpose of this project is to develop a human powered hydrofoil bicycle that uses the patented foil motion of the sponsor, Liquid Ideas, to generate lift and thrust to ride across the water. The bicycle will then be used to further develop and test the actuators that Liquid Ideas currently has. This report contains information from the concept design report on how the final design was chosen and detailed information on the final design, as well as plans for manufacturing, assembling, and testing the completed project.
Ewb Micro Hydropower System Design For Mae Chan Thai, Adam Eberwein, Adam Hendry, Ravi Sahai
Ewb Micro Hydropower System Design For Mae Chan Thai, Adam Eberwein, Adam Hendry, Ravi Sahai
Mechanical Engineering
The village of Mae Chan Thai has a need for a dependable source of power that the Cal Poly Engineers Without Borders Thailand team is currently pursuing to overcome. This Cal Poly senior project team will focus on aiding EWB by providing external consultation on all aspects of building a hydroelectric system sized for Mae Chan Thai; including research, design, and construction practices. This senior project team is designing a system sized for the village and is building a full scale model of the Mae Chan Thai system in the Cal Poly Fluid Mechanics Laboratory that properly simulates the real …
Loaded Shift Tester Sram, Nick Cox, Sam Shaffer, Michael Polka
Loaded Shift Tester Sram, Nick Cox, Sam Shaffer, Michael Polka
Mechanical Engineering
This report details the design, manufacturing, and testing of a loaded shift tester for the SRAM Bicycle Corporation. The machine is used to perform developmental and qualification tests on various bicycle drivetrain components. Using SolidWorks, the design team created a solid model of the machine on the computer, then ordered and manufactured the parts required to build it. The machine was tested to ensure that all the parts worked together, and was finally delivered to SRAM when it was deemed ready.
High Temperature Filter Test Unit Upgrades, Blair Frandeen, Will Schill, Erick Shewmaker, Joshua Turgeon
High Temperature Filter Test Unit Upgrades, Blair Frandeen, Will Schill, Erick Shewmaker, Joshua Turgeon
Mechanical Engineering
The purpose of this project was to improve the existing High Temperature Filter Test Unit (HTTU) by optimizing performance and adding new features. These features include viewing ports and a camera system for observation of tests, a leak detection system, and a flame impingement system. Additional considerations included improving the current operation of the HTTU by reducing test time and energy loss. The HTTU is designed to test High Efficiency Particulate Air (HEPA) filters at temperatures up to 1300 ˚F, creating conditions which simulate a fire in a chemical processing facility. The HTTU was originally built as a Cal Poly …
Tilton Clutch Release Load Tester, Ryan T. Bylard, Kevin A. Campbell, Trevor J. Hebbel
Tilton Clutch Release Load Tester, Ryan T. Bylard, Kevin A. Campbell, Trevor J. Hebbel
Mechanical Engineering
This proposal is for the development of an automated clutch release measurement device for Tilton Engineering, Inc. Tilton has expressed its desire for a piece of test equipment to supplement their existing CT2000 clutch clamp load testing machine. This device will acquire r el e as e load and travel data for the pressure plate of a clutch immediately after it is tested for clamp load on the CT2000 machine, and will serve as a quality control check for Tilton’s clutches before they are sent out to the customer. Tilton wants a clutch release test machine to ensure that their …
Pier Portal Ii, Misha Balingit, Cory Spieler, Aaron Jen
Pier Portal Ii, Misha Balingit, Cory Spieler, Aaron Jen
Mechanical Engineering
No abstract provided.
Bicycle Wheel Test Machine, Dylan Harper, Kevin Hom, Ross Williams
Bicycle Wheel Test Machine, Dylan Harper, Kevin Hom, Ross Williams
Mechanical Engineering
In recent years, the cycling industry has witnessed huge advancements in bicycle components and materials. The age old goals of speed and low weight are still present today, but the pursuit of these goals may be reducing the structural stability of various components integral to wheel performance, including the wheel hub bearings. These bearings are invaluable to bicycles but little is known about how the forces and loads applied to a bicycle affect the performance of these bearings. Broken axles and hubs are indicators of significant stresses within the hub, but little is known about how the resulting deformation affects …
Autonomous Collision Avoidance, Thomas Stevens, Elliot Carlson, Ian Painter
Autonomous Collision Avoidance, Thomas Stevens, Elliot Carlson, Ian Painter
Mechanical Engineering
A steering controlled, autonomous collision avoidance system has been developed by California Polytechnic State University. This system represents a step in the direction of fully autonomous driving, while allowing the driver to maintain control of the vehicle during normal driving conditions. In the case of an imminent collision, the system removes control of the vehicle from the user and autonomously steers around the obstacles. The final system is able to avoid two static obstacles with a 95% pass rate and one moving obstacle with a 50% pass rate. With full scale, fleet wide, implementation of this system it is expected …
Stent Graft Blush, Vanessa Barrett, Thomas Matzinger, Mike Morelli
Stent Graft Blush, Vanessa Barrett, Thomas Matzinger, Mike Morelli
Mechanical Engineering
In order to better understand Type IV endoleaks (“blush”), the Cal Poly Senior Project team GraftTest has developed a blush evaluation system able to mimic several of the aorta’s environmental parameters. Capable of both pressure and flow rate control, this bench top system accommodates Medtronic’s wide range of abdominal and thoracic aortic stent grafts. Having researched endoleaks, stent grafts, and numerous other factors affecting stent graft blush, a system was developed with the aim of assessing and comparing the performance of Medtronic’s stent grafts with regard to blush. Furthermore, this system has been designed to provide reliable and repeatable results …
Rapid Tool Heating, Jason Chi, Bobby Dodge
Rapid Tool Heating, Jason Chi, Bobby Dodge
Mechanical Engineering
Quatro Composites creates various molded parts for an array of industries. They are seeking to improve their thermoplastic molding process by decreasing the amount of time to heat up the steel tool that molds the thermoplastics. Currently, it takes approximately 1 hour to heat up their 120 pound steel mold from room temperature to approximately 700°F. The goal of this project is to create an optimum heating method that will minimize that heating time to about 20 minutes or less. It is critical for the stakeholders (Quatro Composites) to have a faster heating time in order to increase their production …
M600 Servo Test Stand Makani Power, Jennifer Tibble, Jeremy Dong, Arianna Lasche, Alex Serventi
M600 Servo Test Stand Makani Power, Jennifer Tibble, Jeremy Dong, Arianna Lasche, Alex Serventi
Mechanical Engineering
Tempest has designed and built a test stand to validate the servo selection for Makani Power’s M600 prototype. The test stand tests the servo at a specified frequency and torque. It also includes an environmental housing that can later be used to incorporate a heater, cooler, and humidifier. The applied frequency, torque, and servo position is controlled by the operator. The stand also measures and provides a readout for temperatures throughout the chamber, humidity within the chamber, frequency felt by the servo, and load applied to the servo. The table has two tiers: the first tier supports all torque application …
Hoist To Transfer Athletes From Wheelchair Into A Kayak, Jennifer Batryn, Javier Mendez, Kyle Mooney
Hoist To Transfer Athletes From Wheelchair Into A Kayak, Jennifer Batryn, Javier Mendez, Kyle Mooney
Mechanical Engineering
No abstract provided.
Ir Imaging Chip Fixturing System, Curtis Wagner, Scott Solomon
Ir Imaging Chip Fixturing System, Curtis Wagner, Scott Solomon
Mechanical Engineering
No abstract provided.
Design Of An Energy Efficient Virtual End Node Client Using Openadr2.0a And Smap, Kevin Navero
Design Of An Energy Efficient Virtual End Node Client Using Openadr2.0a And Smap, Kevin Navero
BioResource and Agricultural Engineering
Demand Response (DR) describes the set of actions taken to impose a reduction in electrical loads to stabilize the power grid and decrease costs. It is used when power grid emergencies or extremely high demand and congestion, threaten the electricity supply-demand balance. Automated Demand Response (ADR) describes a web-based control system that triggers DR events automatically by signaling other pre-programmed control systems. This project intends to use the OpenADR2.0 specifications provided by the OpenADR Alliance to construct an open source Virtual End Node (VEN) client to retrieve DR signals. The Simple Measurement and Actuation Profile (sMAP) software is also used …
Residential Fire Sprinkler Design For The Phi Kappa Psi Fraternity House, Nolan Frost
Residential Fire Sprinkler Design For The Phi Kappa Psi Fraternity House, Nolan Frost
BioResource and Agricultural Engineering
This senior project discusses the design of a residential fire sprinkler system for a local fraternity house. The design follows NFPA 13D code, and contains design calculations, design drawings, material specifications, and cost analysis. The design was completed with the intention of being used for the installation of a fire sprinkler system in the house.
Low Speed Alternator Design, Scott Merrick
Low Speed Alternator Design, Scott Merrick
Electrical Engineering
No abstract provided.
Micro Hydropower System, Christpher Neally, Ian Verstuyft
Micro Hydropower System, Christpher Neally, Ian Verstuyft
Electrical Engineering
The micro hydropower project strives to meet the needs of a specific village in northern Thailand in partnership with Engineers Without Borders. Specifically, the electrical side of the system must be designed to convert the mechanical power of a flowing river that is turning a turbine into sustainable and dependable power. Currently available hydropower systems will be considered, analyzed, and tailored to suit the specific needs of the community in need. The system to be designed will be flexible enough to demonstrate proof-of-concept with the limited maximum generable power in lab while having the ability to be easily scaled for …
Structural Health Monitoring Data Transmission For Composite Hydrokinetic Turbine Blades, A. Heckman, Joshua L. Rovey, K. Chandrashekhara, Steve Eugene Watkins, Daniel S. Stutts, Arindam Banerjee, Rajiv S. Mishra
Structural Health Monitoring Data Transmission For Composite Hydrokinetic Turbine Blades, A. Heckman, Joshua L. Rovey, K. Chandrashekhara, Steve Eugene Watkins, Daniel S. Stutts, Arindam Banerjee, Rajiv S. Mishra
Mechanical and Aerospace Engineering Faculty Research & Creative Works
No abstract provided.
Organic Solar Cells Based On High Dielectric Constant Materials: An Approach To Increase Efficiency, Khalil Jumah Tawfiq Hamam
Organic Solar Cells Based On High Dielectric Constant Materials: An Approach To Increase Efficiency, Khalil Jumah Tawfiq Hamam
Dissertations
The efficiency of organic solar cells still lags behind inorganic solar cells due to their low dielectric constant which results in a weakly screened columbic attraction between the photogenerated electron-hole system, therefore the probability of charge separating is low. Having an organic material with a high dielectric constant could be the solution to get separated charges or at least weakly bounded electron-hole pairs. Therefore, high dielectric constant materials have been investigated and studied by measuring modified metal-phthalocyanine (MePc) and polyaniline in pellets and thin films. The dielectric constant was investigated as a function of temperature and frequency in the range …
Human Powered Hydrofoil Bike Pontoon Floatation, Shelley Dangoor, Tyler Brennent
Human Powered Hydrofoil Bike Pontoon Floatation, Shelley Dangoor, Tyler Brennent
Mechanical Engineering
This report documents the brainstorming and design development of the hydrofoil bike floatation device. This project is in conjunction with senior project team MobyBike. MobyBike’s focus is in the development of the bike actuation system, as our team’s focus is on designing and developing the floatation device to be incorporated in the final hydrofoil bike design.
Hvac Lab, Adrian Leon, Wes Allen
Hvac Lab, Adrian Leon, Wes Allen
Mechanical Engineering
The Cal Poly Heating Ventilation and Air Conditioning (HVAC) Department was donated a fume hood so that it could be used for educational purposes in the lab. The fume hood was not fully set up and only ran in a constant volume mode; the fan ran at full speed with no feedback to reduce air flow. A fume hood can be opened or closed using the sash; air flowing through the sash opening must always be above a certain speed. As the sash is closed the opening grows smaller and the speed of the air increases. Two additional modes of …
Adaptive Eating Device, Patrick Yale, Jillian Hiu, Jeremy Black, Kevin Farmer
Adaptive Eating Device, Patrick Yale, Jillian Hiu, Jeremy Black, Kevin Farmer
Mechanical Engineering
No abstract provided.
Cal Poly Brocade Challenge 2013, Chandler Morehardt, Alexa Coburn, Juan Silva, Kerry Sun, Greg Wang, Raul Chagoya, Jd Torres
Cal Poly Brocade Challenge 2013, Chandler Morehardt, Alexa Coburn, Juan Silva, Kerry Sun, Greg Wang, Raul Chagoya, Jd Torres
Architectural Engineering
No abstract provided.
Guidance System, Kayaking For The Visually Impaired, D. Ryan Kirtland, Ryan Phife, William Gardner, Amy Johnson
Guidance System, Kayaking For The Visually Impaired, D. Ryan Kirtland, Ryan Phife, William Gardner, Amy Johnson
Biomedical Engineering
Quality Life Plus is working with Team River Runner to develop an assistive guidance system for veterans who want to remain active by kayaking, after sustaining an injury that impairs vision. This system allows these veterans to complete a slalom speed race independent of a personal guide in the water. The system incorporates 3 stations that each contain a speaker connected to a microcontroller system covered by a Pelican Case on a custom made buoy. During the slalom race, a kayaker will travel from shore towards buoy #1 as it omits sound from the speaker. As the kayaker moves around …
Design, Fabrication, And Testing Of An Emr Based Orbital Debris Impact Testing Platform, Jeffrey J. Maniglia Jr.
Design, Fabrication, And Testing Of An Emr Based Orbital Debris Impact Testing Platform, Jeffrey J. Maniglia Jr.
Master's Theses
This paper describes the changes made from Cal Poly’s initial railgun system, the Mk. 1 railgun, to the Mk. 1.1 system, as well as the design, fabrication, and testing of a newer and larger Mk. 2 railgun system. The Mk. 1.1 system is developed as a more efficient alteration of the original Mk. 1 system, but is found to be defective due to hardware deficiencies and failure, as well as unforeseen efficiency losses. A Mk. 2 system is developed and built around donated hardware from the Naval Postgraduate School. The Mk. 2 system strove to implement an efficient, augmented, electromagnetic …
Me-Em Enewsbrief, June 2013, Department Of Mechanical Engineering-Engineering Mechanics, Michigan Technological University
Me-Em Enewsbrief, June 2013, Department Of Mechanical Engineering-Engineering Mechanics, Michigan Technological University
Department of Mechanical and Aerospace Engineering eNewsBrief
No abstract provided.
Training Future Designers: A Study On The Role Of Physical Models, Vimal Viswanathan, Julie Linsey
Training Future Designers: A Study On The Role Of Physical Models, Vimal Viswanathan, Julie Linsey
Faculty Publications, Mechanical Engineering
Physical Models in Engineering Education: Making Tomorrow’s Designers Creative Innovation and creativity are two essential qualities for tomorrow’s designers. In order to nurture these skills in designers, our engineering curricula need to include more hands-on training. In recent times, many engineering educators have recognized the importance of hands-on training in engineering curriculum. Allowing students to build and test their own physical models and learn from their mistakes can be a very effective way of teaching. Recent studies have shown that physical models play a very important role in design innovation and creativity. Building and testing such models can lead designers …
Cisco Rackmount Bracket Optimization, Michael Baldwin, Edwin Lee, Garrett Smith
Cisco Rackmount Bracket Optimization, Michael Baldwin, Edwin Lee, Garrett Smith
Mechanical Engineering
No abstract provided.
Architectural Engineering Earthquake Shake Table, Garrett Gudgel, John Whitmer, Brandan Williams
Architectural Engineering Earthquake Shake Table, Garrett Gudgel, John Whitmer, Brandan Williams
Mechanical Engineering
The Architectural Engineering Department at California Polytechnic State University, San Luis Obispo, owns and operates a single-axis earthquake shake table that previously was only capable of basic wave motion. After implementing a computer based interface to the existing system, Mechanical Engineering student seniors were able to create control algorithms that can take existing or user created acceleration data from earthquakes as well as any user defined position data to be accurately run on the earthquake shake table.
On-Demand Labeling, Nathan Cheadle, Lorne Stoops, Tony Wang, Robert Zimmerman
On-Demand Labeling, Nathan Cheadle, Lorne Stoops, Tony Wang, Robert Zimmerman
Mechanical Engineering
No abstract provided.