k Turbulent kinetic energy (J/kg) L Cavity wall length (m) Nu Local convective Nusselt number nondimensional Nu Total average Nusselt number nondimensional P k Generation of turbulent kinetic energy (J/kg) q″ Heat flux (W/m 2 ) Ra Rayleigh number = gβq″L 4 /ανλ, nondimensional T h Average temperature of the hot wall (K) T ∞ Ambient temperature (K) V Voltage (V) X, Y, Z Coordinate system (m) Greek symbols α Thermal diffusivity (m 2 /s) β Thermal expansion coefficient (1/K) ε t Turbulent kinetic energy dissipation (J/kg) λ Thermal conductivity (W/m K) µ t Turbulent viscosity (kg/m s) ν Kinematic viscosity (m 2 /s) ρ Density (kg/m 3 ) σ t Turbulent Prandtl number nondimensional

No abstract

No abstract

No abstract

No abstract