4.4.1. List of Acronyms

BPM	Brooks-Pope-Marcolini airfoil noise model
dB	decibels
dBA	A-weighted decibels
deg	degrees
Hz	hertz
IEA	International Energy Agency
kg	kilograms
kHz	kilohertz
LFC	low-frequency correction
m	meters
N	newtons
NREL	National Renewable Energy Laboratory
rad	radians
s	seconds
SPL	sound pressure level
TBL	turbulent boundary layer
TBL-TE	turbulent boundary layer – trailing edge
TNO	a Netherlands organization for applied scientific research
TE	trailing edge
TI	turbulent inflow
TUM	Technical University of Munich