Binary Diffusion Coefficients of Liquid Vapors in Gases PDF Download
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Author: A. N. Berezhnoi Publisher: Begell House Publishers ISBN: 9781567000788 Category : Science Languages : en Pages : 200
Book Description
In this book, the authors describe experimental methods of measuring binary diffusion coefficients of liquid vapors in gases. Experimental data on binary diffusion coefficients are given over a wide range of temperature and pressure ranges, and reflect the up-to-date results. Main sections of the book cover the experimental measurement of binary diffusion coefficients, results of experimental measurements at atmospheric pressure and various temperatures, and results of experimental measurements at various pressures and temperatures.
Author: A. N. Berezhnoi Publisher: Begell House Publishers ISBN: 9781567000788 Category : Science Languages : en Pages : 200
Book Description
In this book, the authors describe experimental methods of measuring binary diffusion coefficients of liquid vapors in gases. Experimental data on binary diffusion coefficients are given over a wide range of temperature and pressure ranges, and reflect the up-to-date results. Main sections of the book cover the experimental measurement of binary diffusion coefficients, results of experimental measurements at atmospheric pressure and various temperatures, and results of experimental measurements at various pressures and temperatures.
Author: Theodore Katan Publisher: ISBN: Category : Languages : en Pages : 6
Book Description
A method for the measurement of diffusion coefficients of vapors in gases is described in which the motion of a bead of volatile liquid is observed in a tube with a microporous membrane at one end. Results are given for air with ethyl acetate, benzene, ethanol, and methanol at 22.3C and 1 atm total pressure. The determined behavior of the diffusion-tube system may be considered in studies and measurements of diffusion coefficients of vapors. (Author).
Author: Carl Barus Publisher: Forgotten Books ISBN: 9780364024713 Category : Languages : en Pages : 102
Book Description
Excerpt from The Diffusion of Gases Through Liquids and Allied Experiments The experiments in Chapter I, made during a period of eleven years, with an ordinary glass balloon - shaped Cartesian diver with a small aperture, culminated in a plausible value of the diffusion coefficient (i. E., grams of gas or standard volume of gas transpiring per second across an orthogonal square centimeter, in case of a unit pressure gradient) of the imprisoned air through water, together with suggestive relations of the mean viscosity of the imaginary medium within the molecular pores of the liquid through which a single molecule of the gas virtually transpires. The investigation was therefore taken up on a more extended scale, for different pairs of gases. In Chapter II the diver is modified in form and the endeavor is made to obtain equal areas in the section of the cylindrical swimmer and the annular space without, in order to conform more closely to the equation of diffusion. The theory of the phenomenon and the errors involved are discussed. It appears that. Even for mixed gases, the volumes diffusing (if not the masses) are fully determinable. The accuracy essentially depends on the measure ment of absolute temperature and of barometric pressure and should there fore be of an order below I 27 30 per C. Or per centimeter of mercury. As the masses of gas contained are as a rule much less than 10 - 2 gram, even in case of air, the weight less than gram is determinable, showing the remarkable sensitiveness of the method. Moreover, in the region of constant temperature, the limit of sensitiveness is immensely greater. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at www.forgottenbooks.com This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
Author: Clifford K. Ho Publisher: Springer Science & Business Media ISBN: 140203962X Category : Science Languages : en Pages : 442
Book Description
CLIFFORD K. HOAND STEPHEN W. WEBB Sandia National Laboratories, P. O. Box 5800, Albuquerque, NM 87185, USA Gas and vapor transport in porous media occur in a number of important applications includingdryingofindustrialandfoodproducts,oilandgasexploration,environm- tal remediation of contaminated sites, and carbon sequestration. Understanding the fundamental mechanisms and processes of gas and vapor transport in porous media allows models to be used to evaluate and optimize the performance and design of these systems. In this book, gas and vapor are distinguished by their available states at stan- ? dard temperature and pressure (20 C, 101 kPa). If the gas-phase constituent can also exist as a liquid phase at standard temperature and pressure (e. g. , water, ethanol, toluene, trichlorothylene), it is considered a vapor. If the gas-phase constituent is non-condensable at standard temperature and pressure (e. g. , oxygen, carbon di- ide, helium, hydrogen, propane), it is considered a gas. The distinction is important because different processes affect the transport and behavior of gases and vapors in porous media. For example, mechanisms specific to vapors include vapor-pressure lowering and enhanced vapor diffusion, which are caused by the presence of a g- phase constituent interacting with its liquid phase in an unsaturated porous media. In addition, the “heat-pipe” exploits isothermal latent heat exchange during evaporation and condensation to effectively transfer heat in designed and natural systems.
Author: A. N. Berezhnoi
Author: A. N. Berezhnoi
Author: Carl Barus
Author: John Charles Slattery
Author: Theodore Katan
Author: Richard Willis Getzinger
Author: Alvin Kenneth Grob
Author: V. Alexander STEFAN, Editor
Author: Carl Barus
Author: Melvin Ray Bagley
Author: Clifford K. Ho