Flow in a long, constant area pipe in which the mean velocity profiles are independent of position along the pipe. In the pipe the surface shear stress is balanced by the longitudinal gradient of static pressure in the pipe (the “pressure gradient”).
Notice: The AIChE website is undergoing an ecommerce system upgrade to better serve you. Between 7 a.m. (EST) Friday, December 6 and 9 a.m. (EST) Monday, December 9 you will not be able to purchase or renew any AIChE products or services through the website. Customer Service phone lines are open 9 a.m. to 5 p.m. Monday through Friday... Learn more