Acoustic Glossary


 

J : Sound and Vibration Definitions, Terms, Units, Measurements ...


Jerk a vector quantity that specifies time rate of change of acceleration - units m/s3


Joule (J) the derived SI unit of work or energy.

A Joule is the work done by a force of 1 newton acting through a distance of one metre.

Joule = N·m = Kg·m2/s2 = W·s = Pa·m3 = 107 ergs = C·V

where kg is the kilogram, m is the metre, s is the second, N is the newton, Pa is the pascal, W is the watt, C is the coulomb, and V is the volt.

joule per cubic metre (J/m3) • see Energy Density


joule per kilogram (J/kg) • see Specific Energy


joule per second (J/s) • see Sound Power


Judged Perceived Noise Level

HomeGlossary SearchCertified Instrumentation for Hire