Diplomarbeit - FB 4 Allgemein - Fachhochschule Düsseldorf

eport of
turbulente Anströmung von ca. 6% Fachhochschule Düsseldorf
anemometer manufacturer:
Thies / Weber
Customer:
type:
serial number:
converter:
air pressure: 993,1692308 hPa
air pressure:
frequency
flow speed
regression line (4 to 16 m/s):
at speed
[m/s]
[Hz]
V[m/s]= 0,546 [m/s]+ 0,0454 [m/s]/[Hz]*frequency
4,07
9,10
81,09
119,16
162,11
209,93
296,41
[Hz]
4.3336.21.000
-
-
date: 23.03.01 Unterschrift
in charge:
checked:
first calibration: optional: second calibration
date of calibration:
data file:
air temperature:
humidity: 40,1 %
position factor:
calibration P Pra, IfS:
software version:
f i r s t
5,98
7,95
10,07
12,07
14,00
15,92
14,98
13,03
10,96
0,0863 [m/s]
frequency at 8.0 [m/s]
frequency at 12.0 [m/s]
frequency at 16.0 [m/s]
[Hz]
[Hz]
-
-
[Hz] meas. Uncertainty at 16.0 [m/s]
calibration P Pra, IfS:
[m/s]=
3,78 %
0,61 %
0,22 %
0,41 %
Deiss, Lackmann
Deiss, Lackmann
Eine Untersuchung im Windkanal zum Einfluß der Turbulenz bei Halbschalen-
und Ultraschallanemonmetern für den Einsatz an Windkraftanlagen
254,52
frequency at 4.0 [m/s] 76,08
Remarks
340,02
317,47
275,00
229,30
7,00 137,05
5,03
0,999504
189,27
100,05
[Hz]
23.03.01
C:\Anwender\Deiss_Lack\Diplomarbeit\Messung data file: mit verschiedenen Anemometern
22,9 °C
-
meas. Uncertainty at 4.0 [m/s]
meas. Uncertainty at 8.0 [m/s]
meas. Uncertainty at 12.0 [m/s]
date of calibration:
air temperature:
humidity:
psition factor:
software version:
the complete procedure is documentet in the diploma thesis
164,20
252,31
340,43
Reihe1
Reihe2
regression line
standard deviation
correlation coefficient ²
0,15
0,05
0,03
0,07
[m/s]=
[m/s]=
[m/s]=
[m/s]
400
0,80
350
0,60
300
0,40
250
0,20
200
0,00
150
-0,20
100
-0,40
50
-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]
4,178 [m/s]
wind speed at 160,0 [Hz] 7,809 [m/s]
wind speed at 320,0 [Hz]
15,073 [m/s]
Calibration in the wind tunnel of the
"Institut für Strömungsmaschinen"
(Fachhochschule Düsseldorf)