108 citations · 375 across the 10 of their papers we have counts for
10 papers
Particle transport and deposition in wall-sheared thermal turbulence
Ao Xu, Ben-Rui Xu, Heng-Dong Xi
We studied the transport and deposition behaviour of point particles in Rayleigh-Bénard convection cells subjected to Couette-type wall shear. Direct numerical simulations (DNSs) a…
Particle-resolved thermal lattice Boltzmann simulation using OpenACC on multi-GPUs
Ao Xu, Bo-Tao Li
We utilize the Open Accelerator (OpenACC) approach for graphics processing unit (GPU) accelerated particle-resolved thermal lattice Boltzmann (LB) simulation. We adopt the momentum…
Pore-scale statistics of temperature and thermal energy dissipation rate in turbulent porous convection
Ao Xu, Ben-Rui Xu, Heng-Dong Xi
We report pore-scale statistical properties of temperature and thermal energy dissipation rate in a two-dimensional porous Rayleigh-Bénard (RB) cell. High-resolution direct numeric…
Long-distance migration with minimal energy consumption in a thermal turbulent environment
Ao Xu, Hua-Lin Wu, Heng-Dong Xi
We adopt the reinforcement learning algorithm to train the self-propelling agent migrating long-distance in a thermal turbulent environment. We choose the Rayleigh-Bénard turbulent…
Wall-sheared thermal convection: heat transfer enhancement and turbulence relaminarization
Ao Xu, Ben-Rui Xu, Heng-Dong Xi
We studied the flow organization and heat transfer properties in two-dimensional and three-dimensional Rayleigh-Bénard cells that are imposed with different types of wall shear. Th…
Multi-GPU thermal lattice Boltzmann simulations using OpenACC and MPI
Ao Xu, Bo-Tao Li
We assess the performance of the hybrid Open Accelerator (OpenACC) and Message Passing Interface (MPI) approach for multi-graphics processing units (GPUs) accelerated thermal latti…
Migration of self-propelling agent in a turbulent environment with minimal energy consumption
Ao Xu, Hua-Lin Wu, Heng-Dong Xi
We present a numerical study of training a self-propelling agent to migrate in the unsteady flow environment. We control the agent to utilize the background flow structure by adopt…
Production and transport of vorticity in two-dimensional Rayleigh-Bénard convection cell
Ao Xu, Ben-Rui Xu, Li-Sheng Jiang +1
We present a numerical study of vorticity production and transport in the two-dimensional Rayleigh-Bénard (RB) convection. Direct numerical simulations are carried out in the Rayle…
Statistics of temperature and thermal energy dissipation rate in low-Prandtl number turbulent thermal convection
Ao Xu, Le Shi, Heng-Dong Xi
We report the statistical properties of temperature and thermal energy dissipation rate in low-Prandtl number turbulent Rayleigh-Bénard convection. High resolution two-dimensional…
Lattice Boltzmann simulations of three-dimensional thermal convective flows at high Rayleigh number
Ao Xu, Le Shi, Heng-Dong Xi
We present numerical simulations of three-dimensional thermal convective flows in a cubic cell at high Rayleigh number using thermal lattice Boltzmann (LB) method. The thermal LB m…