Last edited by Duk
Monday, May 4, 2020 | History

2 edition of Effects of g-jitter on interfacial dynamics of two miscible liquids found in the catalog.

Effects of g-jitter on interfacial dynamics of two miscible liquids

Walter M. B. Duval

Effects of g-jitter on interfacial dynamics of two miscible liquids

application of MIM

by Walter M. B. Duval

  • 37 Want to read
  • 12 Currently reading

Published by National Aeronautics and Space Administration, Glenn Research Center, Hanover, Md., Available from NASA Center for AeroSpace Information in Cleveland, Ohio .
Written in English

    Subjects:
  • Fluid dynamics.,
  • Liquid-liquid interfaces.,
  • Surface chemistry.

  • Edition Notes

    StatementWalter M.B. Duval, Bjarni V. Tryggvason.
    SeriesNASA/TM -- 2000-209789, NASA technical memorandum -- 2000-209789.
    ContributionsTryggvason, Bjarni V., NASA Glenn Research Center., United States. National Aeronautics and Space Administration., Aerospace Sciences Meeting & Exhibit (37th : 1999 : Reno, Nev.)
    The Physical Object
    Pagination30 p. :
    Number of Pages30
    ID Numbers
    Open LibraryOL21611098M

    Estimation of Solid-liquid Interfacial Energy from Gibbs-Thomson Effect: A Molecular Dynamics Study Ryo HASHIMOTO, Yasushi SHIBUTA* and Toshio SUZUKI Department of Materials Engineering, The University of Tokyo, Hongo, Bunkyo-ku, Tokyo, Japan. E-mail: [email protected] (Received on June 6, ; accepted on June 28 Cited by: Interfacial Phenomena, Second Edition reflects the progress scientists have made in understanding the surface chemistry and interfacial dynamics of colloid and surfactant systems. The book also illustrates the growing applicability of these systems in a variety of fields including pharmaceuticals, cosmetics, detergents, paints, agricultural Author: Clarence A. Miller.

    Interfacial Separation of Particles is concerned with the processing and separation of fine solid particles in liquid solutions using interfacial technology. Interfacial separation has been finding wide application in many industrial fields, such as pigment and filler production, mineral processing, environmental protection, hydrometallurgy, bioengineering, food and beverage . immiscible and miscible liquid mixtures, and which e.g. distin-guishes miscible liquid from gaseous systems as in the latter case the intermolecular forces are negligible so no surface tension may appear. This idea was raised by Korteweg [11], Zeldovich [12] and others (see the book of Joseph and Renardy [13] for fur-ther details).

    Interfacial Phenomena: Equilibrium and Dynamic Effects, Second Edition (Surfactant Science Book ) - Kindle edition by Miller, Clarence A., Neogi, P.. Download it once and read it on your Kindle device, PC, phones or tablets. Use features like bookmarks, note taking and highlighting while reading Interfacial Phenomena: Equilibrium and Dynamic Effects, Second Edition (Surfactant Science Book Price: $ Shantharama, Sreeram K. Kalpathy, "Switching the roles of wettability-based patterns through solutal Marangoni effect", Colloid Interface Sci. Commun. 22, () Sreeram K. Kalpathy, Amrita Ravi S., "Thermodiffusion as a means to manipulate liquid film dynamics on chemically patterned surfaces", Phys. (21), ().


Share this book
You might also like
Psalms for Gods people

Psalms for Gods people

Thomism and tolerance

Thomism and tolerance

addressor addressed, or, A letter to the Correspondent

addressor addressed, or, A letter to the Correspondent

Windows of night

Windows of night

Kants critique of teleology in biological explanation

Kants critique of teleology in biological explanation

Teaching literature

Teaching literature

Adjustment to external shocks in developing economies

Adjustment to external shocks in developing economies

Report to the Government of Libya on workers education.

Report to the Government of Libya on workers education.

This will be my undoing

This will be my undoing

structure, characterisation and properties ofcatalysts.

structure, characterisation and properties ofcatalysts.

For the temple

For the temple

Effects of g-jitter on interfacial dynamics of two miscible liquids by Walter M. B. Duval Download PDF EPUB FB2

EFFECTS OF G-JITTER ON INTERFACIAL DYNAMICS OF TWO MISCIBLE LIQUIDS: APPLICATION OF MIM Walter M.B. Duval National Aeronautics and Space Administration 1.

Introduction Two miscible liquids when brought into contact inside a container, in absence of any body force, will mix i.e. become homogeneous via molecular mass diffusion. Depending. Effects of G-Jitter on Interfacial Dynamics of Two Miscible Liquids: Application of MIM Article (PDF Available) in NASA Technical Memorandum.

We designed an experiment to examine the effects of g-jitter on mixing of two miscible liquids using the Microgravity Vibration Isolation Mount (MIM). The global bifurcation of the interface was observed with the MIM operating alternatively to either transmit the g-jitter, isolate from the g-jitter or to provide controlled vibration levels with well defined amplitude and frequency : Bjarni V.

Tryggvason and Walter M. Duval. The evolution of two miscible liquids meeting at an initially sharp interface inside a cavity under microgravity g-jitter conditions is studied numerically. The response of the interface and kinematics of the flowfield to various g-jitter accelerations and aspect ratio variations is shown.

The interface region acts like a vortex source sheet, and it can be unstable to Kelvin Cited by: vibrations to two miscible liquids inside a cavity to study the effects of g-jitter on liquid diffusion. Diffusion in a nonhomogeneous liquid system is caused by a nonequilibrium condition that results in the transport of mass (dispersion of the different kinds of liquid molecules) to approach equilibrium.

A good review on the dynamics of miscible liquids is given in the book of Joseph and Renardy. The review summarises the theoretical and experimental works published bygiving a primary attention to the effect of the dynamic surface tension at a miscible interface and to the Korteweg idea used to model such dynamic interfacial by: In an early stage of its design it was determined that a study should be conducted to determine the effects of g-jitter on the liquid free surface in microgravity because very little information was available in literature on the by: 1.

The Effect of G-Jitter on Fluid Based Experiments Newton’s Law of Gravitation We are all attracted to one another The attraction decreased with distance Mir, STS, ISS orbit only km above the Earth’s surface, which is km from c.m.

MarchMEIT / Section 6 / File Size: 7MB. In order to quantify effects of g-jitter we designed an experiment to study effects of prescribed sinusoidal forcing on the stabiUty of two miscible liquids. The experimental results show that for the frequency band of interest ( - 10 Hz) and disturbance amplitude ( - 20 milli-g) the interface can indeed become unstable and generate quasi-stationary waves up to four modes.

Abstract. The interfacial phenomena of wettability, adhesion, mass transfer, and phase behavior due to miscible hydrocarbon gas injection have been studied by the use of the sessile drop contact angle technique, qualitative adhesion tests, and visual phase behavior observations under reservoir by: 2.

between the interfacial tension of a system of two partially miscible liquids and the surface tensions of the pure substances. It is shown that these properties cannot be correlated from the physical point of view.

However, an accurate relation between them may be developed using a mathematical artifact. In the light of this work, the basis of the. This book covers excitation, stabilization, and suppression of instability at liquid interfaces. From the influential original research and scholarship of leaders in the discipline comes a volume to impart and explain definitions, scales, governing equations, and boundary conditions used in liquid interfacial system research.

The velocity field of binary mixture of incompressible miscible liquids is non-solenoidal when the densities of the two liquids are different.

If the mixture density is linear in the volume fraction, as is the case of liquids which satisfy the law of additive volumes, then the velocity can be decomposed into a solenoidal and expansion by: 2. Nanoscale confinement alters the dynamics of glass-forming liquids in films of order nm in thickness.

A common hypothesis for the origin of this long range posits that interfacial dynamics propagate into the film via cooperatively rearranging regions (CRRs). However, the precise nature of the dynamic interface remains uncertain, and its identification with CRRs has yet to be firmly Cited by: The experiments included liquid–vapor interface dynamics, liquid–liquid interface dynamics, motion of encapsulated bubbles, and Brownian motion.

While data analysis is still ongoing for these experiments, the early results do show that there is a measurable effect of g-jitter on the results. g-Jitter effect on diffusion in liquid metal Cited by: Using an aqueous foam with an air volume fraction slightly greater than the critical value ϕC, we show that the pumping pressure of oil and/or miscible liquid into the wet foam is attributed to the interfacial distortion of the bubble surfaces.

Two distinct regimes along time t were observed in the oil imbibition : Azusa Kusaka, Junko Sonoda, Hitoshi Tajima, Takaya Sakai. Not only do liquids which are not miscible in all proportion have a mutual surface tension; even two completely miscible liquids, before they have united to form one phase, exhibit a dynamical surface tension ” There have been many other successive reports of phenomena for which the authors invoke an interfacial tension in miscible Cited by:   We explore the peculiar behaviour of an interface between two miscible liquids of similar (but non-identical) viscosities and densities under horizontal vibration with a frequency less than 25 Hz.

Significant differences in the structure of the formed patterns were found between microgravity and ground by: 8. The origins of interfacial tension are analogous. Interfacial tension is a material property of a fluid-fluid interface whose origins lie in the different energy per area that acts to resist the creation of new interface.

Fluids between which no interfacial tension arises are said to be miscible. EFFECT OF VAPOR DYNAMICS ON INTERFACIAL INSTABILITIES By OZGUR OZEN of liquid bounded vertically by two horizontal surfaces, with the lower surface at a A derivation for the classical Rayleigh-Taylor critical wavenumber from the book by Chandrasekhar () for infinitely deep fluid layers is given in Appendix D.

This. Also minimum miscible pressure (MMP) is measured by the vanishing interfacial tension (VIT) technique to determine the temperature effect on the CO2 miscible gas injection.We study the effects of different electric field-interface tension combinations which are the two main forces involved in drop deformation.

Interfa-cial tension variations achieved through the use of surfactants [10] have been shown to affect drop deformation dynamics and hence the study of water-oil systems with varying interfacial.Interfacial and confined water are pervasive in nature and important in both natural and engineered environments.

The effects of interfaces and nanoconfinement on the structure, dynamics, thermodynamics, phase transitions, and reactivity of water and ions in water are of fundamental scientific importance, and have far reaching implications in areas as diverse as Cited by: 1.