## 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. 4 , X0/2A= 0.309 # # PHI CF GAMMA # (DEG) -- (DEG) -4.6 0.00129 -13.9 -3.0 0.00134 -9.7 -1.4 0.00138 -6.0 0.2 0.00143 -2.0 1.8 0.00148 1.7 3.4 0.00153 5.3 5.0 0.00156 8.9 6.6 0.00161 11.7 8.2 0.00163 15.1 9.8 0.00168 17.9 11.4 0.00170 20.8 13.0 0.00175 23.5 14.6 0.00177 26.1 16.2 0.00182 28.3 17.8 0.00184 30.5 19.4 0.00190 33.0 21.0 0.00193 35.1 22.6 0.00195 37.0 24.2 0.00197 38.9 25.8 0.00200 41.2 27.4 0.00202 42.7 29.0 0.00206 44.3 30.6 0.00208 45.9 32.2 0.00213 47.3 33.8 0.00212 48.8 35.4 0.00214 50.0 37.0 0.00217 51.5 38.6 0.00219 52.8 40.2 0.00222 53.7 41.8 0.00221 54.7 43.4 0.00222 55.3 45.0 0.00228 56.7 46.6 0.00227 57.3 48.2 0.00236 57.6 49.8 0.00237 58.4 51.4 0.00243 58.5 53.0 0.00249 58.8 54.6 0.00255 58.9 56.2 0.00259 59.2 57.8 0.00264 59.2 59.4 0.00273 58.9 61.0 0.00283 58.0 62.6 0.00295 57.4 64.2 0.00333 54.8 65.8 0.00348 54.6 67.4 0.00409 53.9 69.0 0.00438 51.6 70.6 0.00501 51.8 72.2 0.00529 51.0 73.8 0.00605 50.6 75.4 0.00658 50.3 77.0 0.00678 51.5 78.6 0.00717 51.3 80.2 0.00737 50.9 81.8 0.00642 48.4 84.2 0.00723 53.4 85.0 0.00770 50.4 86.6 0.00770 50.3 88.2 0.00776 50.4 89.8 0.00770 49.5 91.4 0.00756 49.2 93.0 0.00738 49.2 95.4 0.00736 48.5 96.2 0.00704 47.9 97.8 0.00694 47.5 99.4 0.00703 47.4 101.0 0.00705 46.6 102.6 0.00693 45.7 102.6 0.00685 45.7 104.2 0.00688 45.3 105.8 0.00685 44.9 107.4 0.00666 43.9 109.0 0.00638 43.0 110.6 0.00633 42.1 112.2 0.00622 41.4 113.8 0.00609 40.2 115.4 0.00593 38.9 117.0 0.00580 37.9 118.6 0.00564 36.8 120.2 0.00540 35.1 121.8 0.00527 33.7 123.4 0.00511 31.9 125.0 0.00492 30.3 126.6 0.00468 28.1 128.2 0.00442 25.7 129.8 0.00422 23.1 131.4 0.00390 20.0 133.0 0.00363 16.8 134.6 0.00345 13.9 136.2 0.00313 10.4 137.8 0.00278 6.1 139.4 0.00253 2.7 141.0 0.00235 -0.2 142.6 0.00214 -3.9 142.6 0.00212 -4.4 144.2 0.00206 -8.4 145.8 0.00205 -12.6 147.4 0.00209 -13.9 149.0 0.00213 -14.3 150.6 0.00219 -16.4 152.2 0.00227 -19.4 153.8 0.00249 -20.7 155.4 0.00267 -19.8 157.0 0.00299 -18.0 158.6 0.00325 -16.6 160.2 0.00361 -16.8 161.8 0.00397 -17.5 163.4 0.00413 -18.7 165.0 0.00433 -19.8 166.6 0.00445 -20.6 168.2 0.00459 -21.0 169.8 0.00467 -21.0 171.4 0.00470 -19.9 173.0 0.00464 -17.9 175.4 0.00464 -14.8 176.2 0.00474 -10.3 177.8 0.00470 -6.3 179.4 0.00481 -2.7 181.0 0.00493 0.9 182.6 0.00519 3.5 184.2 0.00543 6.7