Study of edge effect to stop liquid spillage for microgravity application

Abstract

The ability of a micro-groove to prevent the spreading of HFE-7100 fluid (C₄F₉OCH₃) having low surface tension (γ = 13.6 mN/m) on a surface is studied. In this study, micro-grooves were made around square openings of a plate made of either polycarbonate or 316 stainless steel. To verify effectiveness of micro-grooves to stop the spread of HFE-7100, experiments were done under non-saturated and saturated conditions. Under non-saturated conditions the micro-grooves on both materials confined the liquid up to apparent angle of 55 ± 5 due to the edge effect. Saturated gas-vapor mixture with vapor mass fraction of w _v = 88% and w _v = 97% did not significantly influence the confinement of the liquid by the micro-groove. This result is promising for application of micro-grooved plates in CIMEX experiment planned for ISS.

Original language	English
Pages (from-to)	27-33
Number of pages	7
Journal	Microgravity Science and Technology
Volume	25
Issue number	1
DOIs	https://doi.org/10.1007/s12217-012-9325-6
Publication status	Published - 1 Feb 2013

Keywords

Edge effect
Liquid pinning
Liquid spreading
Low surface tension
Micro-groove
Wetting

ASJC Scopus subject areas

Modelling and Simulation
Engineering(all)
Physics and Astronomy(all)
Applied Mathematics

Access to Document

10.1007/s12217-012-9325-6

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title = "Study of edge effect to stop liquid spillage for microgravity application",

abstract = "The ability of a micro-groove to prevent the spreading of HFE-7100 fluid (C4F9OCH3) having low surface tension (γ = 13.6 mN/m) on a surface is studied. In this study, micro-grooves were made around square openings of a plate made of either polycarbonate or 316 stainless steel. To verify effectiveness of micro-grooves to stop the spread of HFE-7100, experiments were done under non-saturated and saturated conditions. Under non-saturated conditions the micro-grooves on both materials confined the liquid up to apparent angle of 55 ± 5 due to the edge effect. Saturated gas-vapor mixture with vapor mass fraction of w v = 88% and w v = 97% did not significantly influence the confinement of the liquid by the micro-groove. This result is promising for application of micro-grooved plates in CIMEX experiment planned for ISS.",

keywords = "Edge effect, Liquid pinning, Liquid spreading, Low surface tension, Micro-groove, Wetting",

author = "Viktor Grishaev and A. Amirfazli and Sergey Chikov and Yuriy Lyulin and Oleg Kabov",

year = "2013",

month = feb,

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doi = "10.1007/s12217-012-9325-6",

language = "English",

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journal = "Microgravity Science and Technology",

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T1 - Study of edge effect to stop liquid spillage for microgravity application

AU - Grishaev, Viktor

AU - Amirfazli, A.

AU - Chikov, Sergey

AU - Lyulin, Yuriy

AU - Kabov, Oleg

PY - 2013/2/1

Y1 - 2013/2/1

N2 - The ability of a micro-groove to prevent the spreading of HFE-7100 fluid (C4F9OCH3) having low surface tension (γ = 13.6 mN/m) on a surface is studied. In this study, micro-grooves were made around square openings of a plate made of either polycarbonate or 316 stainless steel. To verify effectiveness of micro-grooves to stop the spread of HFE-7100, experiments were done under non-saturated and saturated conditions. Under non-saturated conditions the micro-grooves on both materials confined the liquid up to apparent angle of 55 ± 5 due to the edge effect. Saturated gas-vapor mixture with vapor mass fraction of w v = 88% and w v = 97% did not significantly influence the confinement of the liquid by the micro-groove. This result is promising for application of micro-grooved plates in CIMEX experiment planned for ISS.

AB - The ability of a micro-groove to prevent the spreading of HFE-7100 fluid (C4F9OCH3) having low surface tension (γ = 13.6 mN/m) on a surface is studied. In this study, micro-grooves were made around square openings of a plate made of either polycarbonate or 316 stainless steel. To verify effectiveness of micro-grooves to stop the spread of HFE-7100, experiments were done under non-saturated and saturated conditions. Under non-saturated conditions the micro-grooves on both materials confined the liquid up to apparent angle of 55 ± 5 due to the edge effect. Saturated gas-vapor mixture with vapor mass fraction of w v = 88% and w v = 97% did not significantly influence the confinement of the liquid by the micro-groove. This result is promising for application of micro-grooved plates in CIMEX experiment planned for ISS.

KW - Edge effect

KW - Liquid pinning

KW - Liquid spreading

KW - Low surface tension

KW - Micro-groove

KW - Wetting

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