How Can I Compute the Different Amplitudes of a Simple Sound Source in Air?

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SUMMARY

The discussion focuses on calculating various acoustic parameters for a simple sound source radiating 10 mW of power at 400 Hz, located 0.5 meters away. Key calculations include intensity, pressure amplitude, particle speed amplitude, particle displacement amplitude, and condensation amplitude. The user initially struggled with computing the pressure amplitude but later indicated they found the solution independently. This highlights the importance of understanding acoustic principles and formulas in sound wave analysis.

PREREQUISITES
  • Understanding of acoustic power and intensity calculations
  • Knowledge of sound wave properties, including pressure amplitude and particle displacement
  • Familiarity with the formulas for calculating sound wave parameters
  • Basic principles of wave mechanics in air
NEXT STEPS
  • Research the formula for calculating intensity from acoustic power
  • Learn how to compute pressure amplitude from intensity
  • Explore the relationships between particle speed amplitude and pressure amplitude
  • Study the concepts of particle displacement amplitude and condensation amplitude in sound waves
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Acoustics engineers, physics students, and audio professionals interested in sound wave analysis and calculations.

NonameNoface
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Hi ,

Here's a problem I need some help with ,

A simple source of sound in air radiates an acoustic power of 10 mW at 400 hz . At 0.5 m from the source , compute

1. intensity
2. the pressure amplitude
3. the particle speed amplitude
4. The particle displacement amplitude
5. condensation amplitude

I have found the intensity , but i am not sure as how to go further to compute 2,3,4 and 5 . To add , I also know how to go about computing pressure amplitude , just that I do not know how to compute the value of the pressure amplitude with the given info . Any help would be appreciated ..

NonameNoface
 
Last edited:
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Thanks

i think I have found the answer to the question myself .. thanks anyway ..

NonameNoface
 

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