Re = 0.5 5 50 500 1500 2800 Tau_{viscous} = 0.909548 0.90872589 0.91061037 0.91154387 0.90555391 0.19867696 Tau_{turbulent} = 4.143379e-09 9.125643e-09 3.371589e-07 1.409050e-05 1.385527e-03 7.611616e-01 Tau_{NNT} = 0.090452 0.09127412 0.08938997 0.08847022 0.09306056 0.04016138