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Mechanical Engineering Commons

Open Access. Powered by Scholars. Published by Universities.®

2008

Journal

South Dakota State University

Articles 1 - 2 of 2

Full-Text Articles in Mechanical Engineering

Fatigue Analysis Of An Inline Skate Axel, Garrett Hansen, Mike Woizeschke Jan 2008

Fatigue Analysis Of An Inline Skate Axel, Garrett Hansen, Mike Woizeschke

The Journal of Undergraduate Research

In this paper, an inline skate axel is analyzed based on fatigue and economic principles for four different materials. The loading scenario on the axel of the inline skate is derived and broken down to a maximum shear stress that must be less than the maximum fatigue stress of the axel material. A fatigue analysis using Goodman line diagrams is applied to axels made of aluminum, titanium, nylon, and PVC. The material strengths are then compared to the loading requirements and determined whether they would be sufficient for an axel material. Finally, the prices are compared to verify the selection ...


Analysis Of Wind Turbine Transverse Vibration, Matt Hein, Whitney Karpen Jan 2008

Analysis Of Wind Turbine Transverse Vibration, Matt Hein, Whitney Karpen

The Journal of Undergraduate Research

Large wind turbines have become an appealing choice for renewable electrical energy production throughout the world. The United States Midwest contains massive potential for wind energy development and is therefore being primed for large wind turbines to harvest this resource and bring it to market. Because of this, safety concerns have arisen in regard to their ability to withstand the harsh climate of the region. Analysis of the transverse vibration caused by severe weather will be preformed. A simplified model will allow for an analytical solution and displacement graphs produced with MATLAB code. This information will allow for an unbiased ...