This paper is concerned with an analysis of viscous flow through a var
ying cross sectional area, typical of application in a Wankel Engine.
The analysis models flow past a variable moving boundary. Dimensionles
s temperature, velocities, friction factor and Nusselt numbers are obt
ained and evaluated for the inside of a Wankel engine channel for diff
erent fluid properties. Research has indicated such application has no
t been previously performed.