## Nomenclature: # PHI Circumferential model angle # CF Wall shear stress coefficient (= local wall shear stress # normalized with free stream dynamic pressure) # GAMMA Wall shear stress angle # # ## D F V L R RESEARCH CENTER A V A GOETTINGEN # # WALL SHEAR STRESS MEASUREMENTS ON A 1:6 PROLATE SPHEROID # # 3MX3M LOW SPEED WIND TUNNEL NATURAL TRANSITION # # RUN: 5 104 7 INCIDENCE ALPHA= 29.7 DEG. # # VELOCITY UINF= 45.0 M/S REYNOLDS N0. RE= 0.654E+07 # # MEASURING STATION: NO. 9 , X0/2A= 0.738 # # PHI CF GAMMA # (DEG) -- (DEG) -4.8 0.00164 -9.7 -3.2 0.00167 -6.7 -1.6 0.00169 -4.2 0.0 0.00171 -1.4 1.6 0.00172 1.5 3.2 0.00173 3.9 3.2 0.00173 3.9 4.8 0.00175 6.9 6.4 0.00176 9.3 8.0 0.00177 12.0 9.6 0.00174 14.2 11.2 0.00178 16.6 12.8 0.00177 19.0 14.4 0.00178 21.5 16.0 0.00179 23.7 17.6 0.00179 25.6 19.2 0.00177 27.9 20.8 0.00181 30.2 22.4 0.00180 32.2 24.0 0.00181 34.0 25.6 0.00181 35.7 27.2 0.00178 37.8 28.8 0.00181 39.7 30.4 0.00179 40.9 32.0 0.00179 42.6 33.6 0.00181 43.8 35.2 0.00179 45.5 36.8 0.00183 46.2 38.4 0.00182 47.3 40.0 0.00185 48.7 41.6 0.00187 49.5 43.2 0.00190 50.0 44.8 0.00195 50.2 46.4 0.00198 50.0 48.0 0.00207 49.2 49.6 0.00225 46.7 51.2 0.00266 42.8 52.8 0.00321 39.7 54.4 0.00376 39.3 56.0 0.00437 39.5 57.6 0.00489 39.8 59.2 0.00534 41.8 60.8 0.00557 42.3 62.4 0.00582 43.1 64.0 0.00592 44.0 65.6 0.00585 44.1 67.2 0.00581 44.1 68.8 0.00573 44.4 70.4 0.00554 44.5 72.0 0.00549 44.4 73.6 0.00538 44.4 75.2 0.00532 44.6 76.8 0.00524 44.1 78.4 0.00518 43.8 80.0 0.00505 43.8 81.6 0.00497 43.4 83.2 0.00485 42.9 84.8 0.00479 42.6 86.4 0.00468 41.6 88.0 0.00461 41.0 89.6 0.00444 39.6 91.2 0.00433 38.2 92.8 0.00420 37.0 94.4 0.00404 34.7 96.0 0.00390 32.5 97.6 0.00370 30.0 99.2 0.00346 26.3 100.8 0.00324 22.3 102.4 0.00293 17.6 104.0 0.00258 13.1 105.6 0.00228 10.0 107.2 0.00188 6.3 108.8 0.00144 2.3 110.4 0.00126 -5.1 112.0 0.00130 -12.1 113.6 0.00152 -12.8 115.2 0.00176 -10.2 116.8 0.00195 -8.8 118.4 0.00209 -6.7 120.0 0.00222 -4.1 121.6 0.00223 -3.5 123.2 0.00231 -4.0 124.8 0.00238 -6.5 126.4 0.00259 -8.0 128.0 0.00275 -9.1 129.6 0.00291 -9.7 131.2 0.00304 -9.7 132.8 0.00316 -8.9 134.4 0.00326 -6.8 136.0 0.00337 -3.4 137.6 0.00346 0.1 139.2 0.00348 3.8 140.8 0.00349 7.4 142.4 0.00345 9.4 144.0 0.00326 9.8 145.6 0.00292 8.7 147.2 0.00260 6.5 148.8 0.00236 2.4 150.4 0.00227 1.3 152.0 0.00238 -0.5 153.6 0.00268 -5.1 155.2 0.00327 -7.4 156.8 0.00397 -9.4 159.2 0.00447 -12.6 160.0 0.00470 -15.6 161.6 0.00481 -17.6 163.2 0.00494 -19.0 164.8 0.00495 -19.7 166.4 0.00507 -20.3 168.0 0.00513 -19.7 170.4 0.00524 -17.9 171.2 0.00528 -15.7 172.8 0.00540 -13.4 174.4 0.00546 -11.5 176.0 0.00555 -8.7 177.6 0.00564 -6.0 177.6 0.00561 -5.7 179.2 0.00574 -2.6 180.8 0.00583 0.9 182.4 0.00591 3.7 184.0 0.00591 6.9