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Table 5 Mean velocity, direction and error RMS of the airspeed for P2R1 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]

[%]

[\(^\circ\)]

P2R1V1.1

2.16

28.7

1.13

64.1

1.03

 

−35.4

     

1.14

101

69.4

P2R1V3.2

3.06

−9.82

3.18

– 19.6

– 0.120

 

9.78

     

0.457

14.4

12.4

P2R1V8.8

6.58

17.1

8.80

– 7.07

– 2.22

 

24.2

     

2.27

25.8

24.1

P2R1V14.0

11.3

28.0

14.0

– 0.363

– 2.70

 

28.4

     

2.75

19.6

28.4

P2R1V17.0

14.1

33.7

17.0

3.57

– 2.90

 

30.1

     

3.00

17.6

30.1

P2R1V21.2

17.7

31.2

21.2

1.18

– 3.50

 

30.0

     

3.48

16.4

30.1

P2R1V25.6

22.5

33.3

25.6

0.463

– 3.10

 

32.8

     

3.08

12.1

32.9