Influence of wetting conditions on bubble formation at orifice in an inviscid liquid. Transformation of bubble shape and size

S. V. Gnyloskurenko; A. V. Byakova; O. I. Raychenko; T. Nakamura

doi:10.1016/S0927-7757(02)00592-7

Influence of wetting conditions on bubble formation at orifice in an inviscid liquid. Transformation of bubble shape and size

S. V. Gnyloskurenko, A. V. Byakova, O. I. Raychenko, T. Nakamura

Research output: Contribution to journal › Article › peer-review

86 Citations (Scopus)

Abstract

This paper presents experimental results of the surface phenomena effect on bubble formation from a single orifice (1 mm diameter) submerged in water with air blowing at an extremely small flow rate (2 cm³ min^-1). Bubble formation was studied for a wide range of contact angles (68°≤θ₀≤110°) at liquid-orifice plate-gas interface using key geometrical parameters of a bubble: volume (V), surface area (S), radius at the tip (R₀) and the dimension of bubble periphery at the base (D). The meaningful stages, termed (1) nucleation period, (2) under critical growth, (3) critical growth and (4) necking, were identified during bubble formation. It was determined that bubble volume essentially depends on wettability. It increases by more than half as wetting conditions worsen, e.g. equilibrium contact angle, θ₀, increases from 68° to 110°. Bubble formation is found to be substantially controlled by hysteresis of contact angle.

Original language	English
Pages (from-to)	73-87
Number of pages	15
Journal	Colloids and Surfaces A: Physicochemical and Engineering Aspects
Volume	218
Issue number	1-3
DOIs	https://doi.org/10.1016/S0927-7757(02)00592-7
Publication status	Published - 2003 May 29
Externally published	Yes

Keywords

Bubble formation
Bubble shape
Contact angle hysteresis
Orifice
Wettability

ASJC Scopus subject areas

Surfaces and Interfaces
Physical and Theoretical Chemistry
Colloid and Surface Chemistry

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10.1016/S0927-7757(02)00592-7

Cite this

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title = "Influence of wetting conditions on bubble formation at orifice in an inviscid liquid. Transformation of bubble shape and size",

abstract = "This paper presents experimental results of the surface phenomena effect on bubble formation from a single orifice (1 mm diameter) submerged in water with air blowing at an extremely small flow rate (2 cm3 min-1). Bubble formation was studied for a wide range of contact angles (68°≤θ0≤110°) at liquid-orifice plate-gas interface using key geometrical parameters of a bubble: volume (V), surface area (S), radius at the tip (R0) and the dimension of bubble periphery at the base (D). The meaningful stages, termed (1) nucleation period, (2) under critical growth, (3) critical growth and (4) necking, were identified during bubble formation. It was determined that bubble volume essentially depends on wettability. It increases by more than half as wetting conditions worsen, e.g. equilibrium contact angle, θ0, increases from 68° to 110°. Bubble formation is found to be substantially controlled by hysteresis of contact angle.",

keywords = "Bubble formation, Bubble shape, Contact angle hysteresis, Orifice, Wettability",

author = "Gnyloskurenko, {S. V.} and Byakova, {A. V.} and Raychenko, {O. I.} and T. Nakamura",

year = "2003",

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AU - Gnyloskurenko, S. V.

AU - Byakova, A. V.

AU - Raychenko, O. I.

AU - Nakamura, T.

PY - 2003/5/29

Y1 - 2003/5/29

N2 - This paper presents experimental results of the surface phenomena effect on bubble formation from a single orifice (1 mm diameter) submerged in water with air blowing at an extremely small flow rate (2 cm3 min-1). Bubble formation was studied for a wide range of contact angles (68°≤θ0≤110°) at liquid-orifice plate-gas interface using key geometrical parameters of a bubble: volume (V), surface area (S), radius at the tip (R0) and the dimension of bubble periphery at the base (D). The meaningful stages, termed (1) nucleation period, (2) under critical growth, (3) critical growth and (4) necking, were identified during bubble formation. It was determined that bubble volume essentially depends on wettability. It increases by more than half as wetting conditions worsen, e.g. equilibrium contact angle, θ0, increases from 68° to 110°. Bubble formation is found to be substantially controlled by hysteresis of contact angle.

AB - This paper presents experimental results of the surface phenomena effect on bubble formation from a single orifice (1 mm diameter) submerged in water with air blowing at an extremely small flow rate (2 cm3 min-1). Bubble formation was studied for a wide range of contact angles (68°≤θ0≤110°) at liquid-orifice plate-gas interface using key geometrical parameters of a bubble: volume (V), surface area (S), radius at the tip (R0) and the dimension of bubble periphery at the base (D). The meaningful stages, termed (1) nucleation period, (2) under critical growth, (3) critical growth and (4) necking, were identified during bubble formation. It was determined that bubble volume essentially depends on wettability. It increases by more than half as wetting conditions worsen, e.g. equilibrium contact angle, θ0, increases from 68° to 110°. Bubble formation is found to be substantially controlled by hysteresis of contact angle.

KW - Bubble formation

KW - Bubble shape

KW - Contact angle hysteresis

KW - Orifice

KW - Wettability

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Influence of wetting conditions on bubble formation at orifice in an inviscid liquid. Transformation of bubble shape and size

Abstract

Keywords

ASJC Scopus subject areas

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