Boundary Layer Similarity Parameters(Cont'd) From the non-dimensionalized boundary layer equations,dimensionless groups can be seen Reynolds Prandtl Substituting gives the boundary layer equations: Continuity: ou'Ov" =0 * ou'ou ap* 1a2u* x-momentum: u +v Ox a" ReL oy Energy: aT,*∂T*1 02T dy" ReLPry2Boundary Layer Similarity Parameters (Cont’d) • From the non-dimensionalized boundary layer equations, dimensionless groups can be seen Reynolds # Prandtl # Substituting gives the boundary layer equations:  VL Re L  0 * * * *       y v x u 2 * 2 * * * * * * * * * Re 1 y u x P y u v x u u L             Re Pr 1 2 * 2 * * * * * * * y T y T v x T u L          Continuity: x-momentum: Energy:   P r 