## 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 ARTIFICIAL TRANSITION AT X0/2A= 0.2 # # RUN: 0 3 5 INCIDENCE ALPHA= 10.0 DEG. # # VELOCITY UINF= 55.0 M/S REYNOLDS N0. RE= 0.770E+07 # # MEASURING STATION: NO. 4 , X0/2A= 0.309 # # PHI CF GAMMA # (DEG) -- (DEG) -3.0 0.00378 -2.3 -0.6 0.00378 -1.0 1.8 0.00380 -0.4 4.2 0.00384 1.1 6.6 0.00386 1.9 9.0 0.00391 2.8 11.4 0.00396 4.0 13.8 0.00398 5.1 16.2 0.00399 5.9 18.6 0.00400 7.0 21.0 0.00405 7.9 23.4 0.00413 8.9 25.8 0.00411 10.0 28.2 0.00416 10.6 30.6 0.00420 11.7 33.0 0.00422 12.1 35.4 0.00423 13.0 37.8 0.00423 13.7 40.2 0.00429 14.3 42.6 0.00428 15.0 45.0 0.00443 15.7 47.4 0.00450 16.1 49.8 0.00446 16.8 52.2 0.00447 17.2 54.6 0.00449 17.7 57.0 0.00448 17.9 59.4 0.00453 18.4 61.8 0.00453 18.8 64.2 0.00452 19.3 65.8 0.00452 19.3 69.0 0.00452 19.8 71.4 0.00447 19.8 73.8 0.00446 20.0 76.2 0.00446 20.1 78.6 0.00445 20.1 80.2 0.00440 20.3 82.6 0.00445 20.3 85.8 0.00444 20.3 88.2 0.00437 20.3 90.6 0.00441 19.9 93.0 0.00440 19.8 95.4 0.00434 19.6 97.8 0.00433 19.4 100.2 0.00430 19.2 102.6 0.00428 18.8 105.0 0.00422 18.6 107.4 0.00419 18.1 109.8 0.00417 17.9 112.2 0.00413 17.5 114.6 0.00407 16.9 117.0 0.00403 16.5 119.4 0.00399 16.3 121.8 0.00395 15.5 124.2 0.00386 14.9 126.6 0.00384 14.3 129.0 0.00379 13.5 131.4 0.00380 13.0 133.8 0.00372 12.6 136.2 0.00377 11.9 138.6 0.00372 11.3 141.0 0.00372 10.6 143.4 0.00372 10.2 145.8 0.00369 9.5 148.2 0.00370 8.6 150.6 0.00371 8.0 153.0 0.00365 7.4 155.4 0.00366 6.7 157.8 0.00369 5.3 159.4 0.00365 4.9 162.6 0.00372 4.7 165.0 0.00365 4.1 167.4 0.00362 3.6 169.8 0.00363 3.2 172.2 0.00353 2.4 174.6 0.00353 1.9 177.0 0.00353 1.2 179.4 0.00350 0.6 181.8 0.00351 0.4 184.2 0.00347 -0.3