# Wall shear stress in terms of friction coefficient (Nonrotating case) # # s/D Theta s/D # =========== ========================== ======================== #Xi -18 -1 22.5 67.5 112.5 157.5 1 6 10 18 0 2.254 2.051 2.477 3.991 4.918 4.323 3.161 2.970 2.905 2.327 10 2.254 2.118 2.516 3.991 5.107 4.267 3.186 2.884 2.864 2.364 20 2.254 2.225 2.516 3.938 4.918 4.211 3.379 2.799 2.708 2.401 30 2.327 2.263 2.595 3.833 4.918 4.211 3.166 2.675 2.696 2.327 40 2.290 2.208 2.401 3.430 4.856 3.938 2.888 2.635 2.551 2.364 50 2.364 2.251 2.218 3.104 4.674 3.781 2.752 2.516 2.452 2.290 60 2.290 2.463 2.183 2.799 4.555 3.479 2.742 2.401 2.411 2.290 70 2.290 2.424 2.183 2.477 4.555 3.014 2.785 2.327 2.394 2.254 80 2.327 2.313 2.148 2.254 4.614 2.799 2.578 2.290 2.347 2.290 90 2.254 2.328 2.113 2.254 4.734 2.884 2.329 2.401 2.307 2.254 100 2.254 2.141 2.183 2.290 4.555 2.927 2.266 2.477 2.275 2.327 110 2.290 2.007 2.327 2.113 4.555 2.799 2.230 2.477 2.240 2.290 120 2.364 2.082 2.148 1.978 4.438 2.595 2.172 2.254 2.269 2.254 130 2.327 2.059 2.045 1.850 4.211 2.595 1.964 2.148 2.281 2.254 140 2.254 2.052 1.850 1.850 3.991 2.401 1.906 2.079 2.185 2.327 150 2.364 2.108 1.787 2.113 3.833 2.218 1.801 2.011 2.066 2.327 160 2.364 2.149 1.881 2.045 3.335 2.290 1.699 1.757 1.961 2.364 170 2.254 2.071 1.757 1.978 3.059 1.945 1.554 1.582 1.897 2.290 180 2.327 2.156 1.610 1.668 2.884 1.526 1.482 1.445 1.781 2.254 190 1.700 200 1.800 210 1.800 220 1.793 230 1.980 240 2.135 250 2.235 260 2.250 270 2.150 280 2.120 290 2.120 300 2.180 310 2.164 320 2.420 330 2.560 340 2.540 350 2.470