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Articles 211 - 220 of 220
Full-Text Articles in Engineering
Numerical Implementation Of Prandtl’S Lifting-Line Theory And Modeling Of Aircraft Take-Off Phase For Wing Optimization, John William Dykes
Numerical Implementation Of Prandtl’S Lifting-Line Theory And Modeling Of Aircraft Take-Off Phase For Wing Optimization, John William Dykes
Honors Theses
No abstract provided.
Micro Air Vehicle (Mav): Numerical Optimization Of A Coaxial Rotor Blade Design, Jeffrey A. Kornuta
Micro Air Vehicle (Mav): Numerical Optimization Of A Coaxial Rotor Blade Design, Jeffrey A. Kornuta
Honors Theses
No abstract provided.
Trials Bike Frame Concept, David Boboltz, Rob Harmer, Caleb Vanderveen
Trials Bike Frame Concept, David Boboltz, Rob Harmer, Caleb Vanderveen
Honors Theses
Development of a Concept Trials Frame was a mechanical engineering design project that developed a new bicycle frame that has the strength and durability to be used for trials bike riding. The scope of the project was placed solely on the bicycle's frame. Current frames were analyzed based on their strength, durability, stiffness, weight, and appearance. These factors were ranked for importance and became the performance targets for the new frame. Several designs that utilize elastic strain energy to increase performance were brainstormed. Following SolidWorks modeling, equivalent impact loads were calculated using several analytical methods. These loads were then applied …
Introduction To Mechanical Engineering, Lorik Abdullai, Joseph R. Dunn
Introduction To Mechanical Engineering, Lorik Abdullai, Joseph R. Dunn
Honors Theses
I can still remember back in high school when I was faced with a decision thousands of students experience every year: What college was I going to choose, and what major was I going to study? It seemed like every time I saw friends and relatives they asked me that question. Meanwhile, I knew that going to a major university would give me more choices in case I changed majors. As it turned out, Western Michigan University was the best package for me when I considered the financial aid, the program ofmy major, location of the university, and its friendly …
Design Of A Miniature Hydraulic Power Unit, Ryan D. Bruneau
Design Of A Miniature Hydraulic Power Unit, Ryan D. Bruneau
Honors Theses
The need for a newly designed miniature hydraulic power unit has received the attention of Parker-Hannifin Hydraulic Pump/Motor Division. The current power unit is no longer marketable due to the associated costs and its relative size. As a result, a miniature hydraulic power unit has been designed, the culmination to the engineering curriculum at Western Michigan University. In order to increase the overall marketability and to reduce production costs, a transparent plastic reservoir has been incorporated into the design. An appropriate polymer has been chosen to meet the design requirements and finite element analysis has been used to verify the …
Design Of A Vibration Excitation Device, Brian Wallace, Brandon Dawe
Design Of A Vibration Excitation Device, Brian Wallace, Brandon Dawe
Honors Theses
A vibration excitation source has been designed for use in beam and plate vibration laboratory demonstrations. This source is capable of providing single frequency excitations below 160 cycles per second (Hz). Since it will be used in a variety of experiments by students, ease of use and quick setup time have been major considerations of design. Performance of this source has been evaluated and will be presented along with one example application.
Wobbling Gear Drivetrain For Cordless Screwdriver, David K. Kedrowski, Scott P. Slimak
Wobbling Gear Drivetrain For Cordless Screwdriver, David K. Kedrowski, Scott P. Slimak
Honors Theses
Manufacturers of cordless screwdrivers use two planetary gear trains in series to reduce speed and multiply torque from a small electric motor. Alternately, a nutating gear drivetrain has the potential to create comparable speed reductions and torque multiplications. To apply nutating gear theory to a cordless screwdriver drivetrain, a study of spur gears, planetary gear reducers, bevel gears, and the theory of nutation was undertaken. Finally, a nutating design was proposed. The advantages of a nutating gear drivetrain over a conventional planetary gear train include: a decreased number of drivetrain parts, an ability to use lower-strength gear materials, a higher …
Particle Size And Velocity Measurements In Two Phase Flows Using Laser Doppler Velocimetry, Joseph Parker
Particle Size And Velocity Measurements In Two Phase Flows Using Laser Doppler Velocimetry, Joseph Parker
Honors Theses
Laser Doppler Velocimetry is used in fluid mechanics to measure the velocity of particles in fluid flows. A small particle exhibits motion closely corresponding to the fluid behavior because of its ability to follow high frequency flow fluctuations. Large particles do not follow the flow field precisely but represent a second phase. This project used LDV to measure the size and velocity of particles in two phase flows by computer analysis of the Doppler signal.
The Lb Wind-Tunnel, Larry Bennett
The Lb Wind-Tunnel, Larry Bennett
Honors Theses
A small subsonic wind-tunnel has been developed for further understanding of aerodynamic principles. This tunnel is small enough to be used on table tops so the student can get first-hand experience. The tunnel's working section is a clear plexiglass tube for easy viewing and provides ample work room. The biggest advantage of this tunnel is that it can be built in the average home workshop for approximately $60.00.
Renovation Of A Westinghouse Mercury Vapor Vacuum Pump, Gary Rothwell
Renovation Of A Westinghouse Mercury Vapor Vacuum Pump, Gary Rothwell
Honors Theses
A mercury vapor diffusion pump is capable of evacuating a space to a very low pressure, but will not pump against a high back pressure. The pressure to which a vessel can be reduced with this principle is of the order of a fraction of a micron. (One micron is that pressure which will support a column of mercury 0.001 millimeters, it is 1/760,000 of an atmosphere). The back pressure against which a mercury diffusion pump will exhaust is from 250 to 500 microns. In the three-stage type pump, two additional stages of the ejector nozzle type exhaust in series …