Numerical study of microdevice with surface acoustic waves for separation of gas mixtures

V Kosyanchuk - Physics of Fluids, 2023 - pubs.aip.org
Recently, it was shown that traveling surface acoustic waves (SAWs) can affect gas flow in
microchannels. The effect of SAWs was studied in free-molecular flow regime, and it was …

Arbitrary Lagrangian-Eulerian-type conserved discrete unified gas kinetic scheme for the simulations of transonic continuum and rarefied gas flows with moving …

Y Wang, S Liu, C Zhuo, C Zhong - Applied Mathematical Modelling, 2023 - Elsevier
In this paper, an arbitrary Lagrangian-Eulerian (ALE) framework is incorporated into the
conserved discrete unified gas-kinetic scheme (CDUGKS) to solve the transonic continuum …

Unsteady motion of a slightly rarefied gas caused by a plate oscillating in its normal direction

K Aoki, S Kosuge, T Fujiwara, T Goudon - Physical Review Fluids, 2017 - APS
Unsteady motion of a rarefied gas between two parallel plates caused when one of the
plates starts a harmonic oscillation in its normal direction is investigated under a slightly …

Separation of binary gas mixture in a microchannel with oscillating barriers

V Kosyanchuk - Physics of Fluids, 2022 - pubs.aip.org
The time-dependent flow of a neon–argon mixture in a microchannel interrupted by a row of
oscillating barriers is numerically studied using the Direct Simulation Monte Carlo method in …

Thermal rarefied gas flow simulations with moving boundaries based on discrete unified gas kinetic scheme and immersed boundary method

Q He, S Tao, G Liu, L Wang, Y Ge, J Chen… - International Journal of …, 2024 - Elsevier
Rarefied gas flows in complex geometries with heat transfer and moving boundaries have
received remarkable attention due to the prevailing of micro/nano science and engineering …

Arbitrary Lagrangian-Eulerian-type discrete unified gas kinetic scheme for low-speed continuum and rarefied flow simulations with moving boundaries

Y Wang, C Zhong, S Liu - Physical Review E, 2019 - APS
In this paper, the original discrete unified gas kinetic scheme (DUGKS) is extended to the
arbitrary Lagrangian–Eulerian (ALE) framework to enable simulation of low-speed …

A meshfree arbitrary Lagrangian-Eulerian method for the BGK model of the Boltzmann equation with moving boundaries

S Tiwari, A Klar, G Russo - Journal of Computational Physics, 2022 - Elsevier
In this paper we present a novel technique for the simulation of moving boundaries and
moving rigid bodies immersed in a rarefied gas using an Eulerian-Lagrangian formulation …

Numerical simulation of a moving rigid body in a rarefied gas

S Shrestha, S Tiwari, A Klar, S Hardt - Journal of Computational Physics, 2015 - Elsevier
In this paper we present a numerical scheme to simulate a moving rigid body with arbitrary
shape suspended in a rarefied gas. The rarefied gas is simulated by solving the Boltzmann …

A Cartesian cut cell method for rarefied flow simulations around moving obstacles

G Dechristé, L Mieussens - Journal of Computational Physics, 2016 - Elsevier
For accurate simulations of rarefied gas flows around moving obstacles, we propose a cut
cell method on Cartesian grids: it allows exact conservation and accurate treatment of …

[PDF][PDF] Unsteady charged gas motion in a microgap between a stationary plate and a plate moving with damping velocity depends on time

TZA Wahid - Proceedings of the Fifth International Conference on …, 2015 - researchgate.net
Unsteady motion of a charged gas between two parallel plates is investigated in the case
where one of the plates movies with a velocity damping with time. A kinetic-theoretic …