## 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. 8 , X0/2A= 0.652 # # PHI CF GAMMA # (DEG) -- (DEG) -3.8 0.00145 -9.1 -2.2 0.00147 -6.3 -0.6 0.00150 -3.0 1.0 0.00153 -0.0 2.6 0.00155 2.9 4.2 0.00158 6.1 5.8 0.00162 8.8 7.4 0.00163 11.5 9.0 0.00166 13.9 10.6 0.00168 16.6 12.2 0.00168 19.0 13.8 0.00173 21.6 15.4 0.00173 24.0 17.0 0.00175 25.9 18.6 0.00177 28.5 20.2 0.00177 30.7 21.8 0.00182 32.7 23.4 0.00183 34.7 25.0 0.00185 36.6 26.6 0.00186 38.2 28.2 0.00187 39.9 29.8 0.00189 41.4 31.4 0.00189 43.1 33.0 0.00190 44.5 34.6 0.00191 45.7 36.2 0.00195 46.7 37.8 0.00199 47.8 39.4 0.00200 49.0 41.0 0.00205 49.8 42.6 0.00210 50.4 44.2 0.00217 50.7 45.8 0.00232 49.6 47.4 0.00290 46.5 49.0 0.00377 41.6 50.6 0.00419 35.6 52.2 0.00411 37.9 53.8 0.00455 41.5 55.4 0.00492 41.9 57.0 0.00560 42.2 58.6 0.00612 43.3 60.2 0.00636 43.6 61.8 0.00642 44.0 63.4 0.00644 44.3 65.0 0.00642 44.5 66.6 0.00634 44.8 68.2 0.00624 45.0 69.8 0.00619 45.0 71.4 0.00615 45.2 73.0 0.00611 45.1 74.6 0.00601 45.2 76.2 0.00598 45.1 77.8 0.00589 45.1 79.4 0.00582 44.7 81.0 0.00576 44.7 82.6 0.00571 44.6 84.2 0.00558 44.4 85.8 0.00543 44.0 87.4 0.00531 43.9 89.0 0.00522 43.2 90.6 0.00515 42.7 92.2 0.00516 41.6 93.8 0.00499 40.9 95.4 0.00489 39.9 97.0 0.00480 38.6 98.6 0.00462 36.9 100.2 0.00450 35.2 101.8 0.00426 33.0 103.4 0.00402 30.7 105.0 0.00376 26.8 106.6 0.00341 22.8 108.2 0.00310 18.7 109.8 0.00266 14.3 111.4 0.00222 9.6 113.0 0.00180 5.8 114.6 0.00142 2.1 116.2 0.00125 -6.2 117.8 0.00136 -13.8 119.4 0.00169 -13.2 121.0 0.00207 -10.7 122.6 0.00238 -8.6 124.2 0.00262 -5.5 125.8 0.00274 -3.8 127.4 0.00284 -4.8 129.0 0.00296 -7.2 130.6 0.00310 -10.2 132.2 0.00327 -11.8 133.8 0.00347 -14.2 135.4 0.00351 -14.3 137.0 0.00365 -13.7 138.6 0.00376 -10.6 140.2 0.00390 -6.2 141.8 0.00411 1.8 144.2 0.00418 9.1 145.0 0.00401 12.5 146.6 0.00370 11.4 148.2 0.00321 7.9 149.8 0.00271 1.3 151.4 0.00258 0.4 153.0 0.00287 -3.8 155.4 0.00373 -9.4 156.2 0.00442 -13.0 157.8 0.00466 -18.7 159.4 0.00472 -22.7 161.0 0.00483 -25.2 162.6 0.00489 -26.0 162.6 0.00484 -26.1 164.2 0.00494 -26.0 165.8 0.00495 -25.7 167.4 0.00494 -24.8 169.0 0.00488 -23.4 170.6 0.00492 -21.0 172.2 0.00498 -17.9 173.8 0.00508 -14.9 175.4 0.00518 -11.6 177.0 0.00530 -7.8 178.6 0.00543 -4.7 180.2 0.00550 -0.7 181.8 0.00571 2.5 183.4 0.00587 5.6