Shape of a Fluid Drop at a Fluid-liquid Interface. I. Extension and Test of Twophase Theory PDF Download
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Author: H. M. PRINCEN
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
The theory of the shape of a fluid drop at a fluid-liquid interface in two-phase systems was confirmed experimentally by measuring characteristic dimensions of stabilized air bubbles at an air-water interface. The equilibrium film at the top of the bubble may simultaneously consist of two types of film of different thickness. The condition for this situation and its effect on the permeability of the film to gases is discussed. Deviations from the shape theory will occur when the tension of the equilibrium film is smaller than twice the normal surface tension. Calculations were made to extend the theory to systems with such a reduced film tension. (Author).
Author: H. M. PRINCEN
Publisher:
ISBN:
Category :
Languages : en
Pages : 18
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Book Description
The theory of the shape of a fluid drop at a fluid-liquid interface in two-phase systems was confirmed experimentally by measuring characteristic dimensions of stabilized air bubbles at an air-water interface. The equilibrium film at the top of the bubble may simultaneously consist of two types of film of different thickness. The condition for this situation and its effect on the permeability of the film to gases is discussed. Deviations from the shape theory will occur when the tension of the equilibrium film is smaller than twice the normal surface tension. Calculations were made to extend the theory to systems with such a reduced film tension. (Author).
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 780
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Book Description
Author: Robert J. Pugh
Publisher: Cambridge University Press
ISBN: 1107090571
Category : Science
Languages : en
Pages : 447
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Book Description
Combining academic and industrial viewpoints, this is the definitive stand-alone resource for researchers, students and industrialists. With the latest on foam research, test methods and real-world applications, it provides straightforward answers to why foaming occurs, how it can be avoided, and how different degrees of antifoaming can be achieved.
Author: Kapil S. Sheth
Publisher:
ISBN:
Category :
Languages : en
Pages : 250
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Book Description
Author: Ernie R. Lewis
Publisher: American Geophysical Union
ISBN: 0875904173
Category : Science
Languages : en
Pages : 423
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Book Description
Published by the American Geophysical Union as part of the Geophysical Monograph Series, Volume 152. Sea salt aerosol (SSA) exerts a major influence over a broad reach of geophysics. It is important to the physics and chemistry of the marine atmosphere and to marine geochemistry and biogeochemistry generally. It affects visibility, remote sensing, atmospheric chemistry, and air quality. Sea salt aerosol particles interact with other atmospheric gaseous and aerosol constituents by acting as sinks for condensable gases and suppressing new particle formation, thus influencing the size distribution of these other aerosols and more broadly influencing the geochemical cycles of substances with which they interact. As the key aerosol constituent over much of Earth's surface at present, and all the more so in pre-industrial times, SSA is central to description of Earth's aerosol burden.
Author: Bob Aveyard
Publisher: Oxford University Press, USA
ISBN: 0198828608
Category : Surface active agents
Languages : en
Pages : 568
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Book Description
Characteristically, surfactants in aqueous solution adsorb at interfaces and form aggregates (micelles of various shapes and sizes, microemulsion droplets, and lyotropic liquid crystalline phases). This book is about the behaviour of surfactants in solution, at interfaces, and in colloidal dispersions. Adsorption at liquid/fluid and solid/liquid interfaces, and ways of characterizing the adsorbed surfactant films, are explained. Surfactant aggregation in systems containing only an aqueous phase and in systems with comparable volumes of water and nonpolar oil are each considered. In the latter case, the surfactant distribution between oil and water and the behaviour of the resulting Winsor systems are central to surfactant science and to an understanding of the formation of emulsions and microemulsions. Surfactant layers on particle or droplet surfaces can confer stability on dispersions including emulsions, foams, and particulate dispersions. The stability is dependent on the surface forces between droplet or particle surfaces and the way in which they change with particle separation. Surface forces are also implicated in wetting processes and thin liquid film formation and stability. The rheology of adsorbed films on liquids and of bulk colloidal dispersions is covered in two chapters. Like surfactant molecules, small solid particles can adsorb at liquid/fluid interfaces and the final two chapters focus on particle adsorption, the behaviour of adsorbed particle films and the stabilization of Pickering emulsions.--Provided by publisher.
Author: H. M. Princen
Publisher:
ISBN:
Category :
Languages : en
Pages : 22
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Book Description
The equilibrium shape of a liquid or gas drop (Phase 1 of density d1) at a horizontal interface separating two fluid phases (Phases 2 and 3 of densities d2 and d3) can be calculated from the principles of capillarity. In the most general system these calculations are extremely complicated, and solutions have been obtained only for some special cases (very small drops; systems with d1 = d3; and very large drops when d3
Author: Dotchi Exerowa
Publisher: CRC Press
ISBN: 1351117726
Category : Science
Languages : en
Pages : 673
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Book Description
This book describes in detail the scientific philosophy of the formation and stabilization-destabilization of foams. It presents all hierarchical steps of a foam, starting from the properties of adsorption layers formed by foaming agents, discussing the properties of foam films as the building blocks of a foam, and then describing details of real foams, including many fields of application. The information presented in the book is useful to people working on the formulation of foams or attempting to avoid or destruct foams in unwanted situations.
Author: Vance Bergeron
Publisher:
ISBN:
Category :
Languages : en
Pages : 670
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Book Description
Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1776
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Book Description
