Numerical Analysis of Indoor Sound Quality Evaluation Using Finite Element Method

Table 2

Sound pressure levels of an electric fan and motor.

Frequency (Hz)	Fan (dB)	Motor (dB)
63	84.6	49.0
125	81.6	53.0
250	83.6	57.0
500	84.6	61.0
1000	82.6	61.0
2000	79.6	57.0
4000	77.6	53.0
8000	67.6	49.0