Study of edge effect to stop liquid spillage for microgravity application

Viktor Grishaev, A. Amirfazli, Sergey Chikov, Yuriy Lyulin, Oleg Kabov

Научно-образовательный центр И.Н.Бутакова

Результат исследований: Материалы для журнала › Статья › рецензирование

Аннотация

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.

Язык оригинала	Английский
Страницы (с-по)	27-33
Число страниц	7
Журнал	Microgravity Science and Technology
Том	25
Номер выпуска	1
DOI	https://doi.org/10.1007/s12217-012-9325-6
Состояние	Опубликовано - 1 фев 2013

ASJC Scopus subject areas

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

Доступ к документу

10.1007/s12217-012-9325-6

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Study of edge effect to stop liquid spillage for microgravity application. / Grishaev, Viktor; Amirfazli, A.; Chikov, Sergey; Lyulin, Yuriy; Kabov, Oleg.

В: Microgravity Science and Technology, Том 25, № 1, 01.02.2013, стр. 27-33.

Результат исследований: Материалы для журнала › Статья › рецензирование

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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.

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