Page 252 - Understanding Flight
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Index_Anderson 7/25/01 9:05 AM Page 239
Index 239
Turbocharging, 129 Wind tunnel testing, (Cont.):
Turbofan, 140–142 contraction ratio, 203
Turbojet, 138 Kirsten Wind Tunnel, 206–207
Turboprop, 142 NASA Ames, 206–209
Turns, 6, 192–197, 227 open circuit, 204
propulsive power limit, 196 subsonic, 202–215
stall speed limit, 194–195 supersonic, 217–220
standard rate, 197 transonic, 206
structural strength limit, vacuum supersonic, 219
195–196 Wing as a scoop, 31, 34
Wing incidence, 58
U-2, 43, 63 Wing loading, 62
Upwash, 21, 52 Wing twist, 70–71
Wingtip loading, 67
Venturi, 13 Wing vortices:
half venturi, 202 downwash sheet, 46
supersonic, 215–217 flap vortices, 48
throat, 13, 216 wing vortex, 46
transonic, 152 wingtip vortex, 46
Vertical stabilizer, 1, 107 Winglets, 77
Vertical velocity, 29, 36 Wingtip design, 76
Viscosity, 22–23 Wright Brothers, 18, 42, 72, 73, 75,
VMU, 225 86, 97, 100, 104, 112, 113, 126,
Von Richthofen, Manfred, 71 128, 201, 208, 209
Vortex generators, 83, 85–87, 90
Voyager, 189 X-1, 120, 160
X-5, 65
Wall effects, 211 X-15, 150, 166, 167, 185
Washout, 70 X-29, 66, 79, 112
Wave drag, 160, 162 XP-79, 157
Weathervane, 107
Whitehead, Gustave, 26 Yaw, 5–6
Whole 9 yards, 12 Yaw dampers, 111
Wing sweep, 65–66, 160–162 YB-49 Flying Wing, 105
Wind tunnel testing, 201 Yeager, Chuck, 33
blowdown supersonic, 218 YF-22 stealth fighter, 63, 147
closed circuit, 205–210 Yoke, 3
