Tests on the flow of six different liquids in smooth pipes of various sizes yield the following data. make a dimensional analysis of this problem and a plot of the resulting dimensionless data. diameter [mm] average speed [m/s] viscosity [mpa. s] density [kg/m3 ] wall shear stress [pa] 300 2.26 862 1247 51.2 250

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.