Collision partner selection schemes in DSMC: From micro/nano flows to hypersonic flows

E Roohi, S Stefanov - Physics Reports, 2016 - Elsevier
The motivation of this review paper is to present a detailed summary of different collision
models developed in the framework of the direct simulation Monte Carlo (DSMC) method …

Numerical study of species separation in rarefied gas mixture flow through micronozzles using DSMC

M Sabouri, M Darbandi - Physics of Fluids, 2019 - pubs.aip.org
This work investigates the species separation in the rarefied flow of the argon-helium
mixture through convergent-divergent micronozzles. Imposing a molecular mass ratio in the …

Micronozzle for satellite propulsion and mixture separation: a review

MK Sukesan, SR Shine - Journal of Thermal Analysis and Calorimetry, 2023 - Springer
Micronozzles operating with vacuum exit conditions find applications in satellite propulsion
systems and aerodynamic separation processes. The increased demand for cube satellite …

LES and RANS modelling of under-expanded jets with application to gaseous fuel direct injection for advanced propulsion systems

A Hamzehloo, PG Aleiferis - International Journal of Heat and Fluid Flow, 2019 - Elsevier
A density-based solver with the classical fourth-order accurate Runge-Kutta temporal
discretization scheme was developed and applied to study under-expanded jets issued …

Detailed investigation of flow and thermal field in micro/nano nozzles using Simplified Bernoulli Trial (SBT) collision scheme in DSMC

SA Saadati, E Roohi - Aerospace Science and Technology, 2015 - Elsevier
Flow regimes through micro/nano nozzles experience the continuum behavior as well as the
rarefied condition. The occurrence of broad rarefaction regimes due to unique geometry/flow …

Separation of a binary gas mixture outflowing into vacuum through a micronozzle

V Kosyanchuk, A Yakunchikov - Physics of Fluids, 2021 - pubs.aip.org
The present paper studies the separation phenomenon for argon–helium mixture outflowing
through a convergent–divergent micronozzle into a vacuum. We numerically investigate the …

Geometry effects on flow characteristics of micro-scale planar nozzles

MK Sukesan, SR Shine - Journal of Micromechanics and …, 2021 - iopscience.iop.org
A numerical investigation of geometry effects on the flow characteristics associated with
converging-diverging 2D planar micronozzles is reported. The classical N–S with linear slip …

Spatiotemporal dynamics of transonic shock-wave/turbulent-boundary-layer interactions in an overexpanded planar nozzle

JKJ Hew, E Martelli, M Davoodianidalik… - arXiv preprint arXiv …, 2023 - arxiv.org
We perform a combined numerical and experimental study to investigate the transonic shock-
wave/turbulent-boundary-layer interactions (STBLI) in a shock-induced separated subscale …

Thrust calculation for low-Reynolds-number micronozzles

JM Pearl, WF Louisos, DL Hitt - Journal of Spacecraft and Rockets, 2017 - arc.aiaa.org
Micronozzles represent a unique flow regime defined by low Reynolds numbers (R e< 1000)
and supersonic Mach numbers. Currently, the classic method of calculating thrust is used by …

Optimization of micronozzle performance at zero ambient pressure

EI Sokolov, MV Chernyshov - Acta Astronautica, 2018 - Elsevier
The efficiency of an axially symmetric convergent-divergent micronozzle expander at zero
ambient pressure is studied. Its contribution to total thrust is considered by analyzing the …