Читать книгу Engineering Acoustics - Malcolm J. Crocker - Страница 86

The sound power level of a source, L_W, is given by

(3.23)

where W is the sound power of a source and W_ref = 10⁻¹² W is the reference sound power.

Some typical sound power levels are given in Figure 3.5.

Figure 3.5 Some typical sound power levels, L_W.