A three-dimensional viscous cascade code has been developed for linear cascades with flat, parallel endwalls. It employs scalar implicit approximate factorization, a finite-volume formulation, second-order upwind differencing, and a two-equation q-ω turbulence model based on integration to the wall. A special form of the thin-layer approximation for the compressible Navier-Stokes equations is used which gives accurate skin-friction predictions on highly skewed meshes, now based on sheared H-grids. This code has been validated by considering three-dimensional viscous flows in L.S. Langston's large-scale turbine blade geometry. This validation includes three-dimensional heat-transfer predictions. Agreement with experiment is quite good.
