Turbulent heat transfer over rough surfaces is crucial in natural and industrial processes, yet
it has received less attention than that of momentum transfer. Recently, research in this field …

An intermittency model that is formulated in local variables is proposed for representing
bypass transition in Reynolds-Averaged Navier-Stokes (RANS) computations. No external …

This research develops the non-equilibrium condensation model with sliding mesh
technology to solve the unsteady condensing flow inside a 3D wet steam stage of steam …

A four-equation laminar kinetic energy transition model is developed to predict the
distributed roughness induced transition using local variables. Based on the laminar kinetic …

The fourth transport equation for “roughness amplification” factor A r, which depends on
equivalent sand grain roughness height ks, has been combined with the original three …

The impact of surface roughness on flows over aerodynamically designed surfaces is of
interested in a number of different fields. It has long been known the surface roughness will …

Pyrolysis gas injection during the ablation process will affect the hypersonic boundary-layer
transition. This paper proposes a three-equation γ-R e θ-fb transition model that considers …

The surface roughness during ablation significantly affects the hypersonic boundary-layer
transition and heat transfer. In this study, an equation of transport for the roughness …

A computational investigation has been performed to better understand the impact of surface
roughness on the flow over a contaminated surface. This report highlights the …

An intermittency transport equation for RANS modeling, formulated in local variables, is
extended for roughness-induced transition. To predict roughness effects in the fully turbulent …