Effect of pseudo-gravitational acceleration on the dissolution rate of miscible drops

Renato Lombardo, Gloria Viner, Tatiana La Monica, John A. Pojman

Risultato della ricerca: Article

2 Citazioni (Scopus)

Abstract

The effect of pseudo-gravitational acceleration on the dissolution process of two phase miscible systems has been investigated at high acceleration values using a spinning drop tensiometer with three systems: 1-butanol/water, isobutyric acid/water, and triethylamine/water. We concluded that the dissolution process involves at least three different transport phenomena: diffusion, barodiffusion, and gravitational (buoyancy-driven) convection. The last two phenomena are significantly affected by the centrifugal acceleration acting at the interface between the two fluids, and the coupling with the geometry of the dissolving drop leads to a change of the mass flux during the course of the dissolution process.
Lingua originaleEnglish
pagine (da-a)1-8
Numero di pagine8
RivistaChaos
Volume27
Stato di pubblicazionePublished - 2017

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Dissolution
dissolving
Water
Mass flux
Transport Phenomena
Buoyancy
tensiometers
water
high acceleration
Butenes
binary systems (materials)
Convection
Mass transfer
buoyancy
metal spinning
Fluid
convection
Fluids
Acids
Geometry

All Science Journal Classification (ASJC) codes

  • Statistical and Nonlinear Physics
  • Mathematical Physics
  • Physics and Astronomy(all)
  • Applied Mathematics

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Effect of pseudo-gravitational acceleration on the dissolution rate of miscible drops. / Lombardo, Renato; Viner, Gloria; La Monica, Tatiana; Pojman, John A.

In: Chaos, Vol. 27, 2017, pag. 1-8.

Risultato della ricerca: Article

Lombardo, R, Viner, G, La Monica, T & Pojman, JA 2017, 'Effect of pseudo-gravitational acceleration on the dissolution rate of miscible drops', Chaos, vol. 27, pagg. 1-8.
Lombardo, Renato ; Viner, Gloria ; La Monica, Tatiana ; Pojman, John A. / Effect of pseudo-gravitational acceleration on the dissolution rate of miscible drops. In: Chaos. 2017 ; Vol. 27. pagg. 1-8.
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AU - Pojman, John A.

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N2 - The effect of pseudo-gravitational acceleration on the dissolution process of two phase miscible systems has been investigated at high acceleration values using a spinning drop tensiometer with three systems: 1-butanol/water, isobutyric acid/water, and triethylamine/water. We concluded that the dissolution process involves at least three different transport phenomena: diffusion, barodiffusion, and gravitational (buoyancy-driven) convection. The last two phenomena are significantly affected by the centrifugal acceleration acting at the interface between the two fluids, and the coupling with the geometry of the dissolving drop leads to a change of the mass flux during the course of the dissolution process.

AB - The effect of pseudo-gravitational acceleration on the dissolution process of two phase miscible systems has been investigated at high acceleration values using a spinning drop tensiometer with three systems: 1-butanol/water, isobutyric acid/water, and triethylamine/water. We concluded that the dissolution process involves at least three different transport phenomena: diffusion, barodiffusion, and gravitational (buoyancy-driven) convection. The last two phenomena are significantly affected by the centrifugal acceleration acting at the interface between the two fluids, and the coupling with the geometry of the dissolving drop leads to a change of the mass flux during the course of the dissolution process.

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