New friction factor and Nusselt number equations for turbulent convection of liquids with variable properties in circular tubes
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2018.03.082
Abstract: Abstract Large temperature differences between the wall and bulk fluid in heat exchangers will result in significant property variations in the cross section. Most existing equations use correction factors such as ( μ w /… read more here.
Keywords: variable properties; turbulent convection; friction; number ... See more keywords
Turbulent convection in a cube with mixed thermal boundary conditions: low Rayleigh number regime
Sign Up to like & getrecommendations! Published in 2021 at "International Journal of Heat and Mass Transfer"
DOI: 10.1016/j.ijheatmasstransfer.2021.121290
Abstract: Abstract Turbulent thermal convection was numerically investigated in a cubic cavity under homogeneous and inhomogeneous heating for Rayleigh number Ra = 10 7 and Prandtl number Pr = 6.46 . Inhomogeneous heating was created only… read more here.
Keywords: convection; heat; turbulent convection; boundary conditions ... See more keywords
Evaporation-driven turbulent convection in water pools
Sign Up to like & getrecommendations! Published in 2020 at "Journal of Fluid Mechanics"
DOI: 10.1017/jfm.2020.670
Abstract: Abstract In this paper we study turbulent thermal convection driven by free-surface evaporation at the top and a uniformly heated wall at the bottom. More specifically, we report on direct numerical simulations over 1.25 decades… read more here.
Keywords: water; evaporation; free surface; convection ... See more keywords
Turbulent Convection at Very High Rayleigh Numbers and the Weakly Nonlinear Theory
Sign Up to like & getrecommendations! Published in 2023 at "Atmosphere"
DOI: 10.3390/atmos14050826
Abstract: To provide insights into the challenging problem of turbulent convection, Jack Herring used a greatly truncated version of the complete Boussinesq equations containing only one horizontal wavenumber. In light of later observations of a robust… read more here.
Keywords: numbers weakly; turbulent convection; high rayleigh; rayleigh numbers ... See more keywords