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Spring Mass System

Spring Mass System

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Spring Mass System

To determine the damping coefficient of a single-degree of freedom system.

The experimental set up consists of

  • Spring Mass Test rig- with frame, Mass and Spring.
  • Accelerometer.
  • Signal Conditioner.
  • Computer based data acquisition system

Purpose: To Estimate of Damping Ratio:

The logarithmic decrement is estimated from the expression

Ϭ= (1/n) log (A1/An)

Damping ratio  ε= / (2π)