## 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. 3 , X0/2A= 0.223 # # PHI CF GAMMA # (DEG) -- (DEG) -3.6 0.00422 -2.8 -1.2 0.00423 -2.0 1.2 0.00422 -1.3 3.6 0.00422 -0.5 6.0 0.00429 -0.1 8.4 0.00437 0.8 10.8 0.00439 2.3 13.2 0.00444 3.5 15.6 0.00446 4.6 18.0 0.00449 5.3 20.4 0.00450 6.1 22.8 0.00450 6.7 25.2 0.00456 7.6 27.6 0.00459 8.3 30.0 0.00478 9.3 32.4 0.00484 10.0 34.8 0.00480 10.7 37.2 0.00482 11.2 39.6 0.00488 11.9 42.0 0.00488 12.5 44.4 0.00497 12.9 46.8 0.00502 13.5 49.2 0.00499 13.8 50.8 0.00501 14.3 54.0 0.00504 14.9 56.4 0.00502 15.2 58.8 0.00504 15.7 61.2 0.00505 16.0 63.6 0.00507 16.3 65.2 0.00506 16.6 67.6 0.00512 16.8 70.8 0.00513 16.9 73.2 0.00507 17.3 75.6 0.00510 17.4 78.0 0.00514 17.9 80.4 0.00511 18.0 82.8 0.00516 18.0 85.2 0.00519 18.2 87.6 0.00525 17.9 90.0 0.00521 17.7 92.4 0.00520 17.6 94.8 0.00516 17.5 97.2 0.00509 17.3 99.6 0.00492 17.3 102.0 0.00487 17.0 104.4 0.00484 17.1 106.8 0.00484 16.6 109.2 0.00475 15.9 111.6 0.00480 15.5 114.0 0.00476 14.9 116.4 0.00477 14.5 118.8 0.00468 14.2 121.2 0.00478 13.7 123.6 0.00473 13.5 126.0 0.00476 13.0 128.4 0.00489 12.8 130.8 0.00490 12.5 133.2 0.00496 12.1 135.6 0.00501 11.8 138.0 0.00496 11.8 140.4 0.00492 11.7 142.8 0.00486 11.2 144.4 0.00475 10.4 147.6 0.00466 9.2 150.0 0.00438 9.2 152.4 0.00404 10.5 154.8 0.00367 12.6 157.2 0.00376 11.6 159.6 0.00389 9.9 162.0 0.00410 7.9 164.4 0.00417 5.5 166.8 0.00430 3.4 169.2 0.00430 2.1 171.6 0.00435 1.2 174.0 0.00437 0.9 176.4 0.00439 0.6 178.8 0.00438 0.1 181.2 0.00436 -0.1 183.6 0.00434 -0.6