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Table 6 Mean velocity, direction and error RMS of the airspeed for P2R2 cases

From: Development and flight-test verification of two-dimensional rotational low-airspeed sensor for small helicopters

Symbol

Mean (ASR)

Mean (AS)

Error

Diff. (Upper)

RMS (Lower)

 

\(V_\text{W}\)

\(\psi _\text{W}\)

\(V_\text{W}\)

\(\psi _\text{W}\)

\(V_\text{W}\)

\(V_\text{W}\)

\(\psi _\text{W}\)

 

[m/s]

[\(^\circ\)]

[m/s]

[\(^\circ\)]

[m/s]

[%]

[\(^\circ\)]

P2R2V3.2

3.22

7.53

3.22

2.32

0.00

 

5.21

     

0.466

14.5

11.2

P2R2V4.0

3.08

−10.5

3.97

– 18.1

– 0.890

 

7.60

     

1.30

32.9

17.3

P2R2V10.9

8.07

31.7

10.9

6.13

– 2.83

 

25.6

     

2.85

26.2

25.7

P2R2V21.5

16.8

32.6

21.5

5.79

– 4.70

 

26.8

     

4.77

21.1

26.9

P2R2V27.3

23.9

34.7

27.3

1.26

– 3.40

 

33.4

     

3.47

12.7

33.4