Key parameters Transfer potential: forced flow or free flow Phase change: boiling and condensation Flow conditions laminar or turbulent flow Geometries: shape, size, position and roughness Properties: density, viscosity, thermal conductivity, specific heat, and so on Heat Transfer Su Yongkang School of Mechanical EngineeringHeat Transfer Su Yongkang School of Mechanical Engineering # 7 Key parameters • Transfer potential: forced flow or free flow • Phase change: boiling and condensation • Flow conditions: laminar or turbulent flow • Geometries: shape, size, position and roughness. • Properties: density, viscosity, thermal conductivity, specific heat, and so on