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RISRadiometric flow in periodically patterned channels: fluid physics and improved configurations
With the aid of direct simulation Monte Carlo (DSMC), we conduct a detailed investigation
pertaining to the fluid and thermal characteristics of rarefied gas flow with regard to various
arrangements for radiometric pumps featuring vane...
Effects of thermal creep and high order slip/jump on natural convection in microchannels
Natural convection gaseous slip flows in open-ended vertical parallel-plate microchannels with symmetric wall heat fluxes are numerically investigated. A second-order model, including thermal creep effects, is considered ...
A Parallel DSMC Investigation of Monatomic/Diatomic Gas Flow in Micro/Nano Cavity
In the current study we performed a DSMC investigation to study the non-equilibrium effects on monatomic and diatomic rarefied flows in micro/nano lid-driven cavity. Our DSMC solver is parallel and benefits from a variable ...
Intensification of flotation treatment by exposure to vibration.
A new form of the second order temperature jump boundary condition for the low-speed nanoscale and hypersonic rarefied gas flow simulations
The accuracy of the numerical simulation of rarefied gas flows, in particular the Navier-Stokes-Fourier (N-S-F) equations, depends on the employed surface boundary conditions. In the literature, the combination of the second order slip...
DSMC Investigation of Rarefied Gas Flow through Diverging Micro/Nano-channels
Direct simulation Monte Carlo (DSMC) method with simplified Bernoulli-trials (SBT) collision
scheme has been used to study the rarefied pressure-driven nitrogen flow through diverging
microchannels. The fluid ...
On the Thermally-Driven Gas Flow through Divergent Micro/Nanochannels
A detailed study on thermally driven flows through divergent micro/nanochannels is presented. Rarefied gas flow behavior and thermal mass flow rate were investigated with different divergence angles ranging between 0° and 7° at two aspect ratios (AR...
On the vortical characteristics and cold-to-hot transfer of rarefied flow in a lid-driven isosceles orthogonal triangular cavity with isothermal walls
Rarefied gas flows in nano-scale isosceles triangular cavities with a motion away from the square corner are considered over a wide range of flow rarefactions regimes, i.e., 0.01≤Kn≤10, using the direct simulation Monte Carlo (DSMC) method. We put...
DSMC Modeling of Rarefied Flow through Micro/Nano Backward-Facing Steps
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Additionally, gas flow becomes more uniform at
higher flow Knudsen number....
Artificial Neural Network (ANN) to Predict the Reaction Furnace Temperature
An artificial neural network (ANN) was developed on MATLAB platform for predicting the reaction furnace temperature. Three important variable of the reaction furnace: fuel gas spiking, air and acid gas temperature and H2S ...