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Articles 1 - 9 of 9
Full-Text Articles in Engineering
Photovoltaic Cooking In The Developing World, Tyler Watkins, Christopher O'Day, Omar Arriaga
Photovoltaic Cooking In The Developing World, Tyler Watkins, Christopher O'Day, Omar Arriaga
Mechanical Engineering
The challenge of clean cooking is faced by hundreds of millions of people worldwide. We present a cooking technology consisting of a solar panel directly connected to an electric heater in a well-insulated chamber. Assuming continued decrease in solar panel prices, we anticipate that in a few decades Solar Electric Cooking technologies will be the most common cooking technology for the poor. Appropriate use of insulation reduces the power demand making low-power Insulated Solar Electric Cooking systems already cost competitive.
Micro Debris Generator, Gordan Bradaric, Ross Byers, Stephen Quanci
Micro Debris Generator, Gordan Bradaric, Ross Byers, Stephen Quanci
Mechanical Engineering
This senior project team at Cal Poly consisting of Stephen Quanci, Gordan Bradaric, and Ross Byers has been commissioned by Erik Brown of Lawrence Livermore National Labs to create a way to reliably and consistently entrain microscopic particles into the hot HTTU flow. These particles will be used to compare the loading rates of new HEPA filters by measuring the pressure drop across the filter. The generated particles would simulate typical conditions in which these HEPA filters are expected to operate, namely fine ash. The particles used for loading the filter are intended to simulate the particulate reaching the LLNL …
Putter Measurement System, Bryan A.L. Hofferd, Yuzo Makitani, Jacob Phillips, Eric Stubben
Putter Measurement System, Bryan A.L. Hofferd, Yuzo Makitani, Jacob Phillips, Eric Stubben
Mechanical Engineering
This project is provided and funded by Callaway Golf Company for the Mechanical Engineering Department as a capstone project, also known as the Senior Project series: ME 428, 429, and 430. The title of the project proposal is "Putter Measurement System" in which our team must design, build, and test a system that meets the proposed objectives as stated by Callaway Golf. The need arises from the current systems’ inability to provide detailed and consistent measurements without tedious setup and calibration.
Transit Seating, Luke Mielke, Chris San Nicolas, Jon Rich, Sam Thompson
Transit Seating, Luke Mielke, Chris San Nicolas, Jon Rich, Sam Thompson
Mechanical Engineering
No abstract provided.
Efficiency Testing Of An Electronic Speed Controller, Grace Cowell, Matthew Hudson, Marcus Pereira
Efficiency Testing Of An Electronic Speed Controller, Grace Cowell, Matthew Hudson, Marcus Pereira
Mechanical Engineering
This project required the development of a rig that could experimentally determine the efficiency of an Electronic Speed Controller (ESC). The selected design focuses on measuring the losses due to heat from the device and comparing this to its input power. The selected design is a flow rig that utilizes the heat equation q=ṁcpΔT. The rig provides a steady state measurement of the ESC heat output by passing a known mass flow rate of air across the ESC and measuring the temperature difference. It uses a flowmeter to determine ṁ, thermocouples to determine ΔT, and a table lookup to determine …
Magnetic Bearing For Bently Nevada Rk4 Rotor Kits, Sean Fowler, Garrett Olson
Magnetic Bearing For Bently Nevada Rk4 Rotor Kits, Sean Fowler, Garrett Olson
Mechanical Engineering
Active Magnetic Bearings (AMB) are contact free bearings that support loads by magnetic levitation. This is accomplished by generating magnetic forces with electric current through a series of electromagnets surrounding a suspended rotor mass. Along with a set of electromagnets, an AMB assembly also consists of power amplifiers for each electromagnet, a controller, and proximity sensors. The proximity sensors provide rotor position feedback to the control system, which modulates power to the amplifiers [4]. Magnetic bearings are used in several industrial applications today, including but not limited to compressors, turbines, pumps, motors, and generators. Advantages of their utility include very …
Compliant Air Skates, An Experiment, Samuel Feldtkeller, Cody Anderson, Kevin Daily, Eliana Stefani
Compliant Air Skates, An Experiment, Samuel Feldtkeller, Cody Anderson, Kevin Daily, Eliana Stefani
Mechanical Engineering
There is currently a gap in the market of train levitation systems: wheeled trains and MagLev trains exist, but none utilize the low friction and high efficiency aspect of trains levitated by air skates. An air skate, is an air bearing that uses a pressure difference along its annular body to create a thin flow of air which is strong enough to "levitate" the weight of the skate. We have designed a compliant air skate that can glide over 0.04[in] defects in surfaces without touching down. After having made compliant skirts out of fiberglass and silicone, our setup of three …
Inclusive Lectern, Trent Canales, Sean Day, Dylan Sigley, Stephen Sippel
Inclusive Lectern, Trent Canales, Sean Day, Dylan Sigley, Stephen Sippel
Mechanical Engineering
A lectern is an essential piece of equipment for almost all speeches and presentations. They come in many forms and range in degree of professionalism depending on the occasion. Lecterns not only hold a presenter’s notes, a microphone, or other presentation aids, they provide a structure for a presenter that can bolster their confidence during a presentation. As such, it is important that all presenters have a lectern available to them. Unfortunately this is not always the case due to lectern accessibility limitations. This problem inspired the Cal Poly Disability Resource Center to request a lectern that satisfies the Least …
Walker Tray, Marlene Troncoso, Judy Lantaca, Miriam Krage, Claire Francis
Walker Tray, Marlene Troncoso, Judy Lantaca, Miriam Krage, Claire Francis
Mechanical Engineering
Sean is an individual with Cerebral Palsy, a disability that affects one's balance, muscle tone, muscular coordination, posture and control. Sean utilizes a walker to aid in maintaining his balance and muscular coordination when ambulating. This enables him to walk independently and leads to improved muscle strength and coordination. When walking, Sean places both hands on the walker to maintain balance and thus the ability to walk and carry items at the same time is compromised. Sean would like to be able to transport items while in use of his walker. The goals of this senior project design are to …