who can help me please?
 

I have to consider the surface roughness effect,and i find this following paper by google,but i can't get the full text.if anybody who has this paper,can you send it to me?my email is: wjchieng@hotmail.com. The paper is "Proposal for Wall Function for Friction and Heat Transfer in the Presence of Roughness and Mass Transfer. by JO Ilegbusi,PHOENICS: CFD84/12." thanks a lot! maximus