A review of fluid instabilities and control strategies with applications in microgravity

J Porter, PS Sánchez, V Shevtsova… - … Modelling of Natural …, 2021 - mmnp-journal.org
We give a brief review of several prominent fluid instabilities representing transitions driven
by gravity, surface tension, thermal energy, and applied motion/acceleration. Strategies for …

Pattern formation in Faraday instability—experimental validation of theoretical models

B Dinesh, J Livesay, IB Ignatius… - … Transactions of the …, 2023 - royalsocietypublishing.org
Two types of resonance-derived interfacial instability are reviewed with a focus on recent
work detailing the effect of side walls on interfacial mode discretization. The first type of …

Sloshing reduction in microgravity: Thermocapillary-based control and passive baffles

C Peromingo, D Gligor, P Salgado Sánchez, A Bello… - Physics of …, 2023 - pubs.aip.org
In this work, we numerically analyze different thermocapillary-based strategies for active
control of sloshing in microgravity. The fluid system considered is an open rectangular …

Thermocapillary-driven dynamics of a free surface in microgravity: Control of sloshing

D Gligor, P Salgado Sánchez, J Porter… - Physics of …, 2022 - pubs.aip.org
Numerical simulations are used to analyze the dynamics of a free surface excited by thermal
modulations at the lateral boundaries that generate a time-dependent thermocapillary flow …

Thermocapillary-driven dynamics of a free surface in microgravity: Response to steady and oscillatory thermal excitation

D Gligor, P Salgado Sánchez, J Porter, I Tinao - Physics of Fluids, 2022 - pubs.aip.org
A numerical analysis of the thermocapillary-driven dynamics of a free surface in microgravity
is presented for an open container of liquid subjected to steady or oscillatory thermal …

Sloshing reduction in microgravity with passive baffles: Design, performance, and supplemental thermocapillary control

C Peromingo, P Salgado Sánchez, D Gligor, A Bello… - Physics of …, 2023 - pubs.aip.org
A detailed analysis of the design and performance of passive baffles for sloshing reduction
in microgravity is presented. Sloshing dynamics are investigated for a rectangular container …

[HTML][HTML] Sloshing mitigation in microgravity with moving baffles

D Gligor, C Peromingo, PS Sánchez, J Porter… - Acta Astronautica, 2024 - Elsevier
We numerically investigate the effect on sloshing in microgravity of systems with passive,
moving baffles whose motion is restricted by linear springs. The liquid is assumed to have …

Interfacial phenomena in immiscible liquids subjected to vibrations in microgravity

PS Sánchez, V Yasnou, Y Gaponenko… - Journal of Fluid …, 2019 - cambridge.org
We consider the response to periodic forcing between 5 Hz and 50 Hz of an interface
separating immiscible fluids under the microgravity conditions of a parabolic flight. Two pairs …

Dynamics of the interface between miscible liquids subjected to horizontal vibration

YA Gaponenko, M Torregrosa, V Yasnou… - Journal of Fluid …, 2015 - cambridge.org
We present experimental evidence of the existence of an interfacial instability between two
miscible liquids of similar (but non-identical) viscosities and densities under horizontal …

Two-scale wave patterns on a periodically excited miscible liquid–liquid interface

V Shevtsova, YA Gaponenko, V Yasnou… - Journal of Fluid …, 2016 - cambridge.org
We have discovered a peculiar behaviour of the interface between two miscible liquids
placed in a finite-size container under horizontal vibration. We provide evidence that …