lab1 - MEMORANDUM Date: January 31, 2008 To: Jude Osara...

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MEMORANDUM Date: January 31, 2008 To: Jude Osara From: John Menard Re: Uncertainty Analysis Introduction When discussing the topic of viscosity, it is important to first understand its meaning. Viscosity is the tendency of a fluid to resist flow. In other words, the stickier the fluid is the more viscous. For example, when comparing a fluid such as motor oil to water, it becomes easily apparent that the oil has a greater viscosity. Description of Measurement and Technique To better understand viscosity, ball and tube viscometers were used to show the velocity of both a steel and glass ball as it traveled through three different liquid mediums. This process is very useful for measuring viscosity. The three liquids (propanol, oil, and water) were first measured in milliliters using graduated cylinders. The liquid-graduated cylinder combinations were then weighed using a gram scale. As these measurements were taken, the uncertainties of both the masses and the volumes of the fluids were noted. The three fluids were then placed in separate viscometers and tested six times at room
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This note was uploaded on 04/07/2008 for the course ME 130L taught by Professor Fredthomas during the Spring '08 term at University of Texas.

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lab1 - MEMORANDUM Date: January 31, 2008 To: Jude Osara...

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