A critical review on early-warning electrochemical system on microbial fuel cell-based biosensor for on-site water quality monitoring

T Kumar, S Naik, SE Jujjavarappu - Chemosphere, 2022 - Elsevier
The microbial fuel cell (MFC) sensor is a very promising self-powered self-sustainable
system for early warning water quality detection. These sensors are cost-effective …

Rarefied gas flow simulations using high-order gas-kinetic unified algorithms for Boltzmann model equations

ZH Li, AP Peng, HX Zhang, JY Yang - Progress in Aerospace Sciences, 2015 - Elsevier
This article reviews rarefied gas flow computations based on nonlinear model Boltzmann
equations using deterministic high-order gas-kinetic unified algorithms (GKUA) in phase …

A unified gas-kinetic scheme for continuum and rarefied flows

K Xu, JC Huang - Journal of Computational Physics, 2010 - Elsevier
With discretized particle velocity space, a multiscale unified gas-kinetic scheme for entire
Knudsen number flows is constructed based on the BGK model. The current scheme …

Numerical methods for kinetic equations

G Dimarco, L Pareschi - Acta Numerica, 2014 - cambridge.org
In this survey we consider the development and mathematical analysis of numerical
methods for kinetic partial differential equations. Kinetic equations represent a way of …

A three-dimensional modal discontinuous Galerkin method for the second-order Boltzmann-Curtiss-based constitutive model of rarefied and microscale gas flows

S Singh, A Karchani, T Chourushi, RS Myong - Journal of Computational …, 2022 - Elsevier
A three-dimensional mixed modal discontinuous Galerkin (DG) method based on tetrahedral
meshes was developed for simulating all flow regimes from subsonic to hypersonic rarefied …

A unified gas kinetic scheme with moving mesh and velocity space adaptation

S Chen, K Xu, C Lee, Q Cai - Journal of Computational Physics, 2012 - Elsevier
There is great difficulty for direct Boltzmann solvers to simulate high Knudsen number flow
due to the severe steep slope and high concentration of the gas distribution function in a …

A unified gas-kinetic scheme for continuum and rarefied flows II: multi-dimensional cases

JC Huang, K Xu, P Yu - Communications in Computational Physics, 2012 - cambridge.org
With discretized particle velocity space, a multi-scale unified gas-kinetic scheme for entire
Knudsen number flows has been constructed based on the kinetic model in one …

Unified gas-kinetic wave-particle methods I: Continuum and rarefied gas flow

C Liu, Y Zhu, K Xu - Journal of Computational Physics, 2020 - Elsevier
The unified gas-kinetic scheme (UGKS) provides a framework for simulating multiscale
transport with the updates of both gas distribution function and macroscopic flow variables …

Gas-kinetic numerical studies of three-dimensional complex flows on spacecraft re-entry

ZH Li, HX Zhang - Journal of Computational Physics, 2009 - Elsevier
The gas-kinetic numerical algorithm solving the Boltzmann model equation is extended and
developed to study the three-dimensional hypersonic flows of spacecraft re-entry into the …

Can we find steady-state solutions to multiscale rarefied gas flows within dozens of iterations?

W Su, L Zhu, P Wang, Y Zhang, L Wu - Journal of Computational Physics, 2020 - Elsevier
One of the central problems in the study of rarefied gas dynamics is to find the steady-state
solution of the Boltzmann equation quickly. When the Knudsen number is large, ie the …