Predictions of Reynolds and Nusselt numbers in turbulent convection using machine-learning models
In this paper, we develop a multivariate regression model and a neural network model to
predict the Reynolds number (Re) and Nusselt number in turbulent thermal convection. We …
predict the Reynolds number (Re) and Nusselt number in turbulent thermal convection. We …
Critical Prandtl number for heat transfer enhancement in rotating convection
Rotation, which stabilizes flow, can enhance the heat transfer in Rayleigh-Bénard
convection (RBC) through Ekman pum**. In this Letter, we present the results of our direct …
convection (RBC) through Ekman pum**. In this Letter, we present the results of our direct …
Revisiting Reynolds and Nusselt numbers in turbulent thermal convection
In this paper, we extend Grossmann and Lohse's (GL) model [S. Grossmann and D.
Lohse,“Thermal convection for large Prandtl numbers,” Phys. Rev. Lett. 86, 3316 (2001)] for …
Lohse,“Thermal convection for large Prandtl numbers,” Phys. Rev. Lett. 86, 3316 (2001)] for …
Prandtl number dependence of the small-scale properties in turbulent Rayleigh-Bénard convection
We analyze the Prandtl number (Pr) dependence of spectra and fluxes of kinetic energy, as
well as the energy injection rates and dissipation rates, of turbulent thermal convection using …
well as the energy injection rates and dissipation rates, of turbulent thermal convection using …
Large-eddy simulation of Rayleigh–Bénard convection at extreme Rayleigh numbers
We adopt the stretched spiral vortex sub-grid model for large-eddy simulation (LES) of
turbulent convection at extreme Rayleigh numbers. We simulate Rayleigh–Bénard …
turbulent convection at extreme Rayleigh numbers. We simulate Rayleigh–Bénard …
Bolgiano-Obukhov scaling in two-dimensional Rayleigh-Bénard convection at extreme Rayleigh numbers
Understanding the behavior of the kinetic energy spectrum and flux in two-dimensional (2D)
turbulent thermal convection remains a challenge. In this paper, using high-resolution direct …
turbulent thermal convection remains a challenge. In this paper, using high-resolution direct …
Regimes in rotating Rayleigh–Bénard convection over rough boundaries
The present work focuses on the effect of rough horizontal boundaries on the heat transfer in
rotating Rayleigh–Bénard convection. We measure the non-dimensional heat transfer, the …
rotating Rayleigh–Bénard convection. We measure the non-dimensional heat transfer, the …
On soliton solutions of Fokas dynamical model via analytical approaches
Abstract The nonlinear (4+ 1)-dimensional Fokas equation (FE) has been demonstrated to
be the integrable extension of the Kadomtsev–Petviashvili (KP) and Davey–Stewartson (DS) …
be the integrable extension of the Kadomtsev–Petviashvili (KP) and Davey–Stewartson (DS) …
Helicity segregation by Ekman pum** in laminar rotating flows with gravity orthogonal to rotation
Kinetic helicity in most geodynamo simulations has a distinct distribution above and below
the equator—it is negative in the north and positive in the south. Using direct numerical …
the equator—it is negative in the north and positive in the south. Using direct numerical …
Deep-ultraviolet optoelectronic devices enabled by the hybrid integration of next-generation semiconductors and emerging device platforms
N Alfaraj - 2019 - repository.kaust.edu.sa
In this dissertation, the design and fabrication of deep-ultraviolet photodetectors were
investigated based on gallium oxide and its alloys, through the heterogeneous integration …
investigated based on gallium oxide and its alloys, through the heterogeneous integration …