Source

Parameter

Description

Value

Units

FPC

${\eta }_{fpc}$

Efficiency of the FPC

0.437

$A_{fpc}$

Area

4.0

m²

WT

${\rho }_a$

air density

1.23

$A_w$

Area swept by the blades in m²

pi*33

$C_p$

Betz Coefficient

16/27

$V_n$

Rated wind speed

11

m/s

$V_c$

cut-in wind

3.5

m/s

$V_s$

cut-out wind

25

m/s

$P_n$

Rated electrical power

35

kW

$H_{hub}$

Hub height

30.5

m

$H_m$

Height of measurement

10

m

$z_0$

Surface roughness length

0.03

m

SHP

${\rho }_{{\text{H}}_{\text{2}}\text{O}}$

1000

kg/(m³)

${\eta }_{\text{turbine}}$

Turbine efficiency

0.8

g

acceleration of gravity

9.81

Biomass

${\eta }_{bh}$

plant efficiency

0.11

LHV

lower heating value

18.6

MJ kg⁻¹

VM

Biomass volumetric mass

82

kgm⁻³