Diplomarbeit - FB 4 Allgemein - Fachhochschule Düsseldorf

eport of
turbulente Anströmung von ca. 6%
anemometer manufacturer:
type:
serial number:
converter:
flow speed
[m/s]
4,03
16,07
9,00
frequency
at speed
[Hz]
0,1774 [m/s]
3,77
5,41
7,23
9,84
Conrad / Weber
Schalenkreuz
1008,430769 hPa
-
-
Fachhochschule Düsseldorf
Customer:
date: 27.03.01 Unterschrift
in charge:
checked:
first calibration: optional: second calibration
date of calibration:
data file:
air pressure:
air temperature:
humidity: 26,5 %
position factor:
calibration P Pra, IfS:
software version:
f i r s t
6,05
7,93
9,93
12,07
13,93
15,04
12,98
11,01
frequency at 8.0 [m/s]
frequency at 12.0 [m/s]
frequency at 16.0 [m/s]
calibration P Pra, IfS:
[m/s]=
10,1 %
3,46 %
0,78 %
0,49 %
Deiss, Lackmann
Deiss, Lackmann
C:\Anwender\Deiss_Lack\Diplomarbeit\Messung data file: mit verschiedenen Anemometern
Eine Untersuchung im Windkanal zum Einfluß der Turbulenz bei Halbschalen-
und Ultraschallanemonmetern für den Einsatz an Windkraftanlagen
frequency at 4.0 [m/s] 3,31
Remarks
12,07
13,98
16,35
15,09
13,00
6,93 6,27
4,95
0,997947
10,89
8,43
4,30
[Hz]
[Hz]
[Hz]
[Hz]
[Hz]
27.03.01
21,7 °C
-
-
-
V[m/s]= 0,917 [m/s]+
regression line (4 to 16 m/s):
meas. Uncertainty at 4.0 [m/s]
meas. Uncertainty at 8.0 [m/s]
air pressure:
meas. Uncertainty at 12.0 [m/s]
meas. Uncertainty at 16.0 [m/s]
date of calibration:
air temperature:
humidity:
psition factor:
software version:
the complete procedure is documentet in the diploma thesis
7,60
11,89
16,19
Reihe1
Reihe2
regression line
0,93186 [m/s]/[Hz]*frequency
standard deviation
correlation coefficient ²
0,41
0,27
0,09
0,08
[m/s]=
[m/s]=
[m/s]=
[m/s]
40
0,80
35
0,60
30
0,40
25
0,20
20
0,00
15
-0,20
10
-0,40
5
-0,60
0
-0,80
0 5 10
[m/s]
15 20
wind speed at 80,0 [Hz]
flow speed
[m/s]
Anhang
s e c o n d
frequency
at speed
[Hz]
[m/s]
75,466 [m/s]
wind speed at 160,0 [Hz] 150,01 [m/s]
wind speed at 320,0 [Hz]
299,11 [m/s]
Calibration in the wind tunnel of the
"Institut für Strömungsmaschinen"
(Fachhochschule Düsseldorf)