lecture_10 - Department of Mechanical and Manufacturing...

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MECH 3420 Vibrations and Acoustics (Lecture 10) Instructor: Yunhua Luo (Ph.D, Assistant Professor) Department of Mechanical and Manufacturing Engineering
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2/24/2009 Vibrations and Acoustics - MECH 3420 2 Content Introduction to Vibration due to Rotating Unbalanced Mass or Mass Eccentricity Equation of Motion for a System with Mass Eccentricity Solution of the Equation
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2/24/2009 Vibrations and Acoustics - MECH 3420 3 Introduction For rotating mechanical components, mass eccentricity is inevitable due to error in manufacturing, installation and operation. Mass eccentricity can cause oscillations of machine body, stresses in shafts, etc. Study of mechanical oscillations due to mass eccentricity is to reduce and control its effects on machine operation.
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Vibrations and Acoustics - MECH 3420 4 Equation of Motion Washing Machine with non-uniformly distributed clothes x m M kx x c F V ) ( - = - - - ) sin ( ) sin ( t e x m t e x dt d m F V w w w 2 2 2 - = + = t
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lecture_10 - Department of Mechanical and Manufacturing...

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