Transonic Wind Tunnels

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

11 - ft (Unitary)

11 x 11 x 22

0.20 - 1.50

0.3 - 9.6

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

16-ft Transonic Tunnel

15.5 x 15.5

0.2 - 1.25

1. to 4.

0.3M Transonic Cryogenic Tunnel

8 x 24 in

0.2 - 0.9

1 to 100

National Transonic Facility

8.2 x 8.2

0.1 - 1.2

4 to 146

Transonic Dynamics Tunnel (TDT)

16 x 16

0.1 - 1.2

0.03 to 3 (Air)
0.2 to 10 (R-134a)

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

High R_e

32 in dia

0.30 - 3.50

7 - 200

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

Propulsion Wind Tunnel Facility

16T

4T

16 x 16

4 x 4

0.0 - 1.6

0.1 - 1.3, 1.6, 2.0

0.1 - 6.0

2.0 - 6.0 @ M = 1.6
1.3 - 6.1 @ M = 2.0

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

BTWT

8 x 12

0 - 1.15

0 - 4

Polysonic

4 x 4

0.20 - 5.8

4 - 50

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

22-in

22 x 22 in

0 - 1.15

66-in

66 x 66 in

0 - 1.0

0 - 4.5

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

HSWT

4 x 4

0.4 - 4.8

4 - 34

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

Tri-Sonic

7 x 7 ft

0.1 - 3.5

2 - 19

Wind Tunnel

Test Section (ft)

Speed Range
(Mach No.)

Reynolds No.
(per ft x 10⁶)

Calspan

8 x 8 ft

0 - 1.35

0 - 12.5

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.

Transonic wind tunnel

0.806 m x 0.806 m

0.3 – 1.2, continuously variable. 1.4 with replaceable nozzle

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.

Transonic/supersonic wind tunnel S-1

40 cm x 40 cm

0.4 to 1.05, 1.43
2.0 and 2.25

4 x 10⁶ /m

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.

Pilot Blowdown Wind Tunnel

1/12 scale of 1.5m Blowdown

1.5m Transonic Blowdown Wind Tunnel

1.5m x 1.5m

0.1 to 0.75 subsonic
0.7 to 1.4 transonic
1.1 to 4.25 supersonic

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(x 10⁶)

S1Ma

6.74 x 6.27(6.85)
8 m dia

0.05 - 1.0

7.9

S2Ma

1.75 x 1.77

0.1 - 1.3

5.4

S3Ma

0.56 x 0.78

0.1 - 1.3

3.5

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(x10⁷)/m

VMK
Vertical Test Section

Nozzel exit dia
150, 230, and 310 mm

0.4 - 0.9, 1.57 - 3.2

25

TMK
Trisonic Wind Tunnel

60 x 60 cm

0.5 - 5.7

0.7 to 7

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(x10⁶)

TWG
Transonic Wind Tunnel

1 x 1

0.3 < M < 0.9
(Subsonic Test Section)
(0.5) - 0.85 < M < 1.2, (Transonic Test Section)
1.33 < M < 2.21
(Supersonic Test Section)

1.8

KRG - Cryogenic Ludwieg-Tube

cross section of 0.4 x 0.35² and a length of 2 m

0.30 < M < 0.95

78

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(x 10⁶)

1.2m Trisonic Tunnel (H1)

1.2 x 1.2

0.20 - 4.0

0.6m Transonic Tunnel (H2)

0.6 x 0.6

0.20 - 1.2

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(x 10⁶)

CSST -
Continuous Supersonic Tunnel

0.27 x 0.27

M = 0.3 - 4

4

HST

rectangular cross section 
2.00 x 1.60 or 1.80

M = 0 to 1.35

9

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(per m x 10⁶)

T-106

2.48 dia

0.15 - 1.1

35

T-108

1 x 1

0.2 - 1.7

11 - 20

T-109

2.25 x 2.25

0.4 - 4

60

TPD

4 dia

0.3 - 4

60

SVS-1

0.09, 0.16, 0.22 round

up to 2.0

SVS-2

0.5 x 0.516, 0.56 round

0.3 - 6.0

110

T-112

0.6 x 0.6

0.6 - 1.8

15

T-114

0.6 x 0.6

0.3 - 4

20

T-115

0.15 x 0.20

0.2 - 1.2, 2, 3, 4

3.8

T-128

2.75 x 2.75

0.15 - 1.7

41

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(per m x 10⁶)

T-325 (BD)

0.2 x 0.2

0.5 - 4

20

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.

T1500

4 x 1.5 x 1.5

0.20 to 1.25, with slotted walls
or 0.20 to 0.80 and 1.3 to 2.0, with solid walls

Up to 80 million/m

S4

(transonic): 0.92 x 0.90
(supersonic): 0.90 x 1.15

0.5 - 2.0

800,000 - 1,600,000 /m

S5

(transonic): 0.46 x 0.48
(supersonic): 0.46 x 0.57

0.5 - 3.6

400,000 - 800,000 /m

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.

0.21m x 0.15m Transonic / Supersonic Wind Tunnel

0.21 m x 0.15 m rectangular cross section with slotted walls by 0.6 m long

Mach 0.3 to Mach 0.9

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(per m)

Transonic Wind Tunnel (TWT)

2.74 x 2.44

0.2 - 1.4

Two Dimensional Tunnel (2DT)

203 mm x 475 mm

0.3 - 0.87

Small Transonic Wind Tunnel (Z4T)

0.23 x 0.20

0.3 - 1.3

15 x 10⁶

Wind Tunnel

Test Section (m)

Speed Range
(Mach No.)

Reynolds No.
(per meter)

8 x 8 Pressurized High Speed

8ft x 8ft