NF S31-021:1982
Acoustics. Platform measurement of the noise emitted by ducted fans. Reduced chamber on discharge method.
- Standard No.
- NF S31-021:1982
- Release Date
- 1982
- Published By
- Association Francaise de Normalisation
- Status
- Replace By
- NF E51-006-3:2004
- Latest
- NF E51-006-3:2004
NF S31-021:1982 history
- 0000 NF E51-006-3:2004
- 1982 NF S31-021:1982 Acoustics. Platform measurement of the noise emitted by ducted fans. Reduced chamber on discharge method.
