Article | REF: R3112 V1

A reminder of physical acoustics

Author: Gilles REIGNER

Publication date: December 10, 2003

You do not have access to this resource.
Click here to request your free trial access!

Already subscribed? Log in!


Français

2. Levels and decibels

2.1 Power

A sound source radiates power, and a portion of this power propagates through the surrounding fluid. Sound power is the energy emitted per unit of time (figure 1 ).

Sound power W produced by an omnidirectional source placed at the center of a spherical surface of radius r
Figure 1...
You do not have access to this resource.

Exclusive to subscribers. 97% yet to be discovered!

You do not have access to this resource.
Click here to request your free trial access!

Already subscribed? Log in!


The Ultimate Scientific and Technical Reference

A Comprehensive Knowledge Base, with over 1,200 authors and 100 scientific advisors
+ More than 10,000 articles and 1,000 how-to sheets, over 800 new or updated articles every year
From design to prototyping, right through to industrialization, the reference for securing the development of your industrial projects

This article is included in

Mechanical and dimensional measurements

This offer includes:

Knowledge Base

Updated and enriched with articles validated by our scientific committees

Services

A set of exclusive tools to complement the resources

Practical Path

Operational and didactic, to guarantee the acquisition of transversal skills

Doc & Quiz

Interactive articles with quizzes, for constructive reading

Subscribe now!

Ongoing reading
Levels and decibels