Articles
June 9, 2016
Since 1990, the student-directed University of Minnesota Solar Vehicle Project’s mission is to teach its members about engineering and project management while creating solar-powered cars that...
June 2, 2016
Considering that a primary motivation for inventing the bonded, electrical resistance strain gage was to reduce propeller failures on military aircraft in the 1940’s it should be no surprise...
May 3, 2016
So you’ve been tasked with measuring the strain on the inside of a pressurized tank. A couple of concerns come to mind right away.
First it is very important to determine how the tank will...
May 3, 2016
Long lead wires within the active arm of a Wheatstone Bridge circuit can cause significant error in one’s measurements, including attenuation of low-level signals and unwanted thermal output....
April 26, 2016
The inner diameter of pipes is a critical location for design and performance assessment. Corrosion, fatigue, and stress corrosion cracking often attack the pipe’s inner diameter, which can...
April 12, 2016
Structural Health Monitoring (SHM) is a catch phrase for monitoring of any infrastructure. SHM can be applied to bridges, buildings, dams, tunnels, wind turbines, industrial facilities, and even...
April 5, 2016
When figure skaters land from a leap, they can experience five to eight times their body weight. However, a fully accurate picture of the impact their leaps put on their ankles and feet has until now...
March 29, 2016
Composite resin materials are popular dental restorative materials because of their esthetic nature and ability to be directly bonded to teeth. However, they have a volumetric shrinkage of 2.4% to 2....
March 22, 2016
Designers of devices ranging from aircraft to wind turbine blades to helmets must understand the effects of wind currents on performance and efficiencies. Smoke trails can illustrate how the wind...
March 17, 2016
Warning: Following the steps outlined in this recipe makes determining the CTE of any material quick, simple and accurate.
Knowing the coefficient of thermal expansion (CTE) is a common...
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