Practical/Industrial Appications of the Lid Driven
 

Hi.... an somebody please throw some light on the Practical/Industrial or laboratory/research Applications of the Lid Driven flows... ( eg. Lid Driven Cavity problem )

I was wondering that this problem of lid driven cavity has been so widely studied , but i googled around much but couldn't find any real life applications of this.

Practical/Industrial Appications of the Lid Dr
 

anybody ???