A Non Equilibrium Pressure Pressure Formulation For Air Water Two Phase Flow And Heat Transport In Porous Media
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Author | : Amanda Meadows Hines |
Publisher | : |
Total Pages | : 49 |
Release | : 2013 |
Genre | : |
ISBN | : |
The detection of trace explosives in the subsurface is an active area of research for landmine detection. Understanding the air-water flow and heat transport phenomena in the subsurface plays an important role in improving chemical vapor detection. Implementing a finite element method that accurately captures water vapor transport in the vadose zone is still an open question. A non-equilibrium, pressure-pressure formulation has been implemented based on Smits, et al [22]. This implementation consists of four equations: a wetting phase (water) mass balance equation, a non-wetting phase (air) mass balance equation, a water vapor transport equation, and a heat transport equation. This work will compare two implementations, a fully coupled approach and an operator splitting approach for the water vapor and heat transport equations. The formulation of the methods will be presented and the methods will be tested using collected data from physical experiments.
Author | : William Gene Haymes |
Publisher | : |
Total Pages | : 140 |
Release | : 1952 |
Genre | : Fluids |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 664 |
Release | : 1985 |
Genre | : Power resources |
ISBN | : |
Author | : |
Publisher | : |
Total Pages | : 676 |
Release | : 1985 |
Genre | : Power resources |
ISBN | : |
Author | : Pankratov Leonid |
Publisher | : |
Total Pages | : 72 |
Release | : 2016-06-03 |
Genre | : |
ISBN | : 9783659884412 |
Author | : Nikolay Ivanov Kolev |
Publisher | : Springer Science & Business Media |
Total Pages | : 776 |
Release | : 2005-12-05 |
Genre | : Technology & Engineering |
ISBN | : 3540268294 |
Multi-phase flows are part of our natural environment such as tornadoes, typhoons, air and water pollution and volcanic activities as well as part of industrial technology such as power plants, combustion engines, propulsion systems, or chemical and biological industry. The industrial use of multi-phase systems requires analytical and numerical strategies for predicting their behavior. In its third extended edition this monograph contains theory, methods and practical experience for describing complex transient multi-phase processes in arbitrary geometrical configurations, providing a systematic presentation of the theory and practice of numerical multi-phase fluid dynamics. In the present first volume the fundamentals of multiphase dynamics are provided. This third edition includes various updates, extensions and improvements in all book chapters.
Author | : |
Publisher | : Academic Press |
Total Pages | : 467 |
Release | : 1998-05-18 |
Genre | : Technology & Engineering |
ISBN | : 0080575846 |
Advances in Heat Transfer
Author | : |
Publisher | : |
Total Pages | : 1134 |
Release | : 1989 |
Genre | : Aeronautics |
ISBN | : |
Author | : Stavros Alexandris |
Publisher | : BoD – Books on Demand |
Total Pages | : 288 |
Release | : 2013-04-30 |
Genre | : Science |
ISBN | : 9535111159 |
Evapotranspiration - An Overview contains recent advances in the physics of evaporation and transpiration from a typical experimental site to large scale areas. It incorporates many years of authors experience with the latest research on the methods and the models used worldwide, engaging advanced technology and modern instrumentation. The reader benefits from the in-depth analysis and the diverse sites and settings, where the models, applications and methods are tested. Weather conditions, soil moisture, geology, climatic systems are examined for their role and influence on the theoretical and actual water demand by the atmosphere in the earth's ecosystem. This book not only provides students and scientists with the information to improve the procedures for estimating evapotranspiration, but will also help them to manage and evaluate the observed data.
Author | : |
Publisher | : |
Total Pages | : 748 |
Release | : 1988 |
Genre | : Power resources |
ISBN | : |
Semiannual, with semiannual and annual indexes. References to all scientific and technical literature coming from DOE, its laboratories, energy centers, and contractors. Includes all works deriving from DOE, other related government-sponsored information, and foreign nonnuclear information. Arranged under 39 categories, e.g., Biomedical sciences, basic studies; Biomedical sciences, applied studies; Health and safety; and Fusion energy. Entry gives bibliographical information and abstract. Corporate, author, subject, report number indexes.