Diplomarbeit - FB 4 Allgemein - Fachhochschule Düsseldorf

eport of
turbulente Anströmung von ca. 6%
anemometer manufacturer:
type:
serial number:
converter:
air pressure: 1013,284615 hPa
air pressure:
flow speed
[m/s]
4,02
8,94
frequency
at speed
[Hz]
43,61
62,16
80,33
104,70
152,23
0,2128 [m/s]
Friedrichs / Windtest
40331100
WGTMT080/6
humidity: 40,7 %
-
Fachhochschule Düsseldorf
Customer:
date: 11.04.01 Unterschrift
in charge:
checked:
first calibration: optional: second calibration
date of calibration:
data file:
air temperature:
position factor:
calibration P Pra, IfS:
software version:
f i r s t
5,99
8,01
9,99
12,01
13,94
16,05
15,01
13,06
10,99
frequency at 8.0 [m/s]
frequency at 12.0 [m/s]
frequency at 16.0 [m/s]
[Hz]
[Hz]
[Hz]
[Hz]
-
-
V[m/s]= 0,484 [m/s]+
meas. Uncertainty at 16.0 [m/s]
calibration P Pra, IfS:
0,08933 [m/s]/[Hz]*frequency
[m/s]=
8,96 %
4,43 %
0,37 %
0,72 %
Deiss, Lackmann
Deiss, Lackmann
Eine Untersuchung im Windkanal zum Einfluß der Turbulenz bei Halbschalen-
und Ultraschallanemonmetern für den Einsatz an Windkraftanlagen
128,50
frequency at 4.0 [m/s] 39,36
Remarks
175,59
164,23
141,68
116,09
6,95 70,00
5,00
0,997037
91,82
53,51
[Hz]
11.04.01
C:\Anwender\Deiss_Lack\Diplomarbeit\Messung data file: mit verschiedenen Anemometern
23,4 °C
-
regression line (4 to 16 m/s):
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
200
150
100
50
0
84,14
128,91
173,69
Reihe1
Reihe2
regression line
standard deviation
correlation coefficient ²
0,36
0,35
0,04
0,12
[m/s]=
[m/s]=
[m/s]=
[m/s]
0,80
0,60
0,40
0,20
0,00
-0,20
-0,40
-0,60
-0,80
0 5 10 15 20
[m/s]
wind speed at 80,0 [Hz]
flow speed
[m/s]
Anhang
s e c o n d
frequency
at speed
[Hz]
[m/s]
7,630 [m/s]
wind speed at 160,0 [Hz] 14,777 [m/s]
wind speed at 320,0 [Hz]
29,071 [m/s]
Calibration in the wind tunnel of the
"Institut für Strömungsmaschinen"
(Fachhochschule Düsseldorf)