Page 13 - Combined_81_OCR

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WIND TUNNEL PERFORMANCE

ITEM CONCEPT "A" CONCEPT "B" CONCEPT "C" ENGINE

Jet Aero

1. Nozz1e/Jet Outlet Velocity and Car Speed 0-120 0-160 mph 1 1 COOLING
2. Nozzle/Jet Velocity Variation (20 mph to full speed) + 1% + 1% 1 1
3. Max Air Temperature 120°F 90°-95°F 1 1 WIND
4. Min Air Temperature Ambi ent + 10°F Ambi ent 1 1
to Not Below + 10°F 1 1
75°F 1 1 TUNNEL

5. Nozzle/Jet Temperature Distribution + 1°F + 1 °F
Nozz1e/Jet Area Cross-Section 5*X7 1 7’xio *
7. Test Area Cross-Section 12•X14 • 7'XI0 ' I I

8. Jet Length Adjustment on
Dynamometer 300 HP 600 HP
10. Chassis Rolls 48" Di a. 48" Di a.

11. Radiant Light Bank 70 KW 70 KW
12. Humidity Range 20 to 40% 20 to 40% with
with 70 T to^F WB 70°F to 80°F WB T T

@ 100°F D.B,Z @ 100°F D.B. P P
13. Turbulence Factor E E
C C
14. Angular Flow Variation + 0.50
N N
15- Boundary Layer 1" 0 0
16. Data Acquisition Automatic Data Six o o
Logging Component
Virtual Centre co <z>
Balance and <
Associated •01
Equipment C/W
Automatic Data L L
Loggi ng. L L
A A
17- Noise Evaluation Within Throat at 60 MPH 80 db