No abstract

Non-Newtonian Fluids 1 P. S. GRANVILLE. 2 Iss ue i. Laken wi t h the drag reduction impli-('a t iom; and noL with tbe mathematical ana lys is which is the similn rit. ,• solu t ion of the Inminar bound a ry layer equations wit,h inj ecl'.ion and wit,h a non-Newtoniau power-law fluid. Firs t, Cl1I'rent; en'orts with drag rechl •tion by polymer soluLions are concerned wi t h t he t,mbulent Row in the boundary layer .' , 'ewlldly, c nrrent efrort l' nre co ncerned wi t h dilute p oly mer ~ulutiolls whi ch cli, piny Newtoninn characteristics in th e laminor reg ime, t he Tom~ en'ec t, ' Thirdly, the drng redu ct ion dlle to inject,ion is misleading sillf'(, it dep end s on inj ec tion from a reservoir of fluid in t he movin!! h od~', T he cirng redu ct ion disnppears if the sourre of th e injede(\ flllid i, ", I he amI ienl flllid ,'