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The 31st Conference on Senior Engineering Design Projects
MECHANICAL AND AERONAUTICAL ENGINEERING A-1
Session Chair - Jerry Hamelink
Room 210
ENDOTRACHEAL CARDIAC OUTPUT MONITOR TEST STAND
by Steven Bahling, Yibin Fu, and Steven Szarejko
Faculty Advisor: Jerry Hamelink
9:30 a.m. to 9:55 a.m., Room 210
The Endotracheal Cardiac Output Monitor (ECOM) Test Stand is a device that was created to test the accuracy of the ECOMs ability to analyze the volume of the flow of blood of the human heart. The ECOM uses a noninvasive technique of bioimpedance. The testing apparatus was designed to simulate the flow of blood of the human heart under a variety of conditions. The testing apparatus was built, tested, and evaluated using both a saline solution and animal blood.
MANWAY ASSEMBLY AND SUPPORT ARM DESIGN
by Matthew Fox and Erica Selby
Sponsor: Robert Worden - Pharmacia Corporation
Faculty Advisor: Dennis VandenBrink
10:00 a.m. to 10:25 a.m., Room 210
Materials have a tendency to break down when exposed to corrosives. In this project a new manway nozzle and flange assembly was developed to resist corrosion. The assembly was also designed to be larger for tank entry purposes. The team utilized the ASME code for guidelines on designing the assembly and verified their findings with computer software. Using finite element analysis an adequate support arm for the removable manway cover was also designed.
ANALYSIS OF CASEY ENGINE
by Vivek K. Agarwal
Sponsor: Arlie F. Casey
Faculty Advisor: Jerry Hamelink
10:30 a.m. to 10:55 a.m., Room 210
Since its inception, the automobile industry has been researching to develop a more efficient gasoline engine. The "Casey Engine" is claimed to be twice as effective in power generation as a regular internal combustion engine. Verification of the claim included modeling the engine in a software program to evaluate the power output. The power output was compared to that of a standard internal combustion engine with the same critical dimensions.
AUTOMATED MECHANICAL BALANCE
by Lik Teck Chin
Faculty Advisors: Jerry Hamelink and Frank Severance
11:00 a.m. to 11:25 a.m., Room 210
A mechanical balance system was designed and built to digitally acquire weight measurements. The balance will serve as a part of an instructional tool in designing control systems. The weight balancing system, which consists of three adjustable counter balance weights when shifted along threaded rods, will measure a maximum weight of 2.5kg. This mechanism operates smoothly, accurately and reliably. The power distribution system of the balance was designed by a electrical engineering student. The mechanical balance system works in conjunction with an embedded microcontroller control system that was designed by two computer engineering students.
OPTIMIZATION OF THE COOLING SYSTEM FOR AN INJECTION MOLD
by Nurzaki Nurikhsan, Patrick Peck, and Sebuh Semerciyan
Sponsor: Beryl D. Brown II - Engineered Plastic Components, Inc.
Faculty Advisor: Christopher Cho
11:30 a.m. to 11:55 a.m., Room 210
A mold cooling upgrade was proposed by the mold supplier for a plastics manufacturer. The supplier planned to upgrade the cooling of their existing system by decreasing the cooling time for the injection molding machines. After careful analysis and computer simulations, it was found that three main factors played a big part in designing the optimum mold cooling system. These factors were the cooling line size through the molds, the percent of ethylene glycol used in the cooling mixture, and the flow rate of the coolant through the cooling lines. Using the results obtained, upgrades to the cooling system were determined.
ERGONOMIC AND CONTROL OPTIMIZATION OF THE AMTRYKE?
by Dan Paternoster and Matthew Sasina
Sponsors: Joe Copeland - National AMBUCS, Inc. and Alan Eakle - Alektronics, Inc.
Faculty Advisor: James Kamman
1:00 p.m. to 1:25 p.m., Room 210
The AmTryke? is a tricycle with hand cranks as well as foot pedals, designed to help disabled children improve their motor skills and muscular stamina. However, the original design was not ergonomically correct for simultaneous hand/foot movement, and the body position was difficult to adjust. Also, the hand crank motion often caused steering difficulties for the children. Ergonomic research let to a design that allowed the user to operate the tricycle with the correct opposing hand/foot movement. A new steering mechanism and more passenger friendly seating setup were also incorporated into the new design, all while maintaining the look of a common tricycle.
SPRING RATE AND TIRE DEFLECTION ANALYZER
by Paul Michael Cochran and Kelly Lind
Faculty Advisor: Richard Hathaway
1:30 p.m. to 1:55 p.m., Room 210
The Spring Rate and Tire Deflection Analyzer was designed to achieve knowledge of suspension components of a racecar. In the field of racing, knowledge about suspension component performance characteristics is the key to winning. This device was designed and built to properly measure the spring rate value for both suspension springs and tires. The analyzer accurately simulates the same loading conditions a component would encounter on a racecar. Using an electronic load cell and a distance-measuring device in conjunction with an electronic interface, the required accuracy and repeatability was attained.
DUNE BUGGY SUSPENSION AND STEERING DESIGN
by Nathaniel Dobbs and Steven Myers
Faculty Advisor: Richard Hathaway
2:00 p.m. to 2:25 p.m., Room 210
A steering/front suspension system was designed for a single seat dune buggy used in sand drag racing. It was necessary for the vehicle to have exceptional handling and reliable performance while maintaining a high degree of safety when used in extreme conditions. Using suspension simulation and analysis programs, a proposed solution was attained. The suspension and steering that was designed provided adequate suspension travel while optimizing vehicle roll, bump-steer, and steering forces. Employing structural analysis techniques, individual components were designed that met the stated criteria. top;
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