How can i find energy loss from acceleration vs time graph

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SUMMARY

The discussion centers on calculating energy loss from an acceleration vs. time graph obtained through an accelerometer during a drop test. Key points include the need to determine the velocity of the object upon impact and whether the object bounces, which affects energy loss calculations. The accelerometer readings should ideally show a consistent value of 1 g (gravity) during free fall, with significant changes occurring at impact.

PREREQUISITES
  • Understanding of accelerometer data interpretation
  • Knowledge of energy conservation principles
  • Familiarity with kinematic equations
  • Basic concepts of impact dynamics
NEXT STEPS
  • Research methods for calculating energy loss in impact scenarios
  • Learn about kinematic equations for velocity and energy calculations
  • Explore the effects of bounce on energy loss in drop tests
  • Study accelerometer calibration and data analysis techniques
USEFUL FOR

Engineers, physicists, and students involved in experimental mechanics, particularly those analyzing drop tests and energy loss in dynamic systems.

hemakorn
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I use accelerometer for find an acceleration vs time graph from drop test. how can i find energy loss from acceleration vs time graph

thank you
 
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hemakorn said:
I use accelerometer for find an acceleration vs time graph from drop test. how can i find energy loss from acceleration vs time graph

thank you
Welcome to the PF.

What energy was lost? In this drop test, are you just asking how you can calculate the velocity of the object as it started to impact the platform at the bottom of the drop test? Did the object bounce? If so, do you want to calculate the energy lost per bounce?
 
In a drop test the accelerometer reading during travel should, ignoring noise, remain at 1; or, a net difference vs gravity of 0 until the impact.
 

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