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Author : Kendra Okonski,Mohit Satyanand
Publisher : Academic Foundation
Page : 306 pages
File Size : 42,6 Mb
Release : 2007
Category : Nature
ISBN : 8171885837
Contributed articles chiefly with reference to India; includes articles on water resources development in various countries of the world including India.
Author : Santiago Arnalich
Publisher : Arnalich
Page : 226 pages
File Size : 42,7 Mb
Release : 2010-10
Category : Engineering design
ISBN : 9788461432776
Tackling a Gravity Flow Water Project for the first time? This book is intended to get you on your feet quickly. You'll learn how to select pipe sizes, work out the demand you need to meet, interpret topographic surveys and perform economic calculations to compare different alternatives. Besides producing a sound design, it will help you to get to grips with the materials, put in orders, supervise the building work, and most of what you will need in your quest for access to safe water.
Author : Virgil J. Lunardini
Publisher : Unknown
Page : 98 pages
File Size : 54,9 Mb
Release : 1986
Category : Heat
ISBN : WISC:89054497383
Experiments to study the melting of a horizontal ice sheet with a flow of water above it were conducted in a 35 m long refrigerated flume with a cross section of 1.2x1.2 m. Water depth, temperature, and velocity were varied as well as the temperature and initial surface profile of the ice sheet. The heat transfer regimes were found to consist of forced turbulent flow at high Reynolds numbers with a transition to free convection heat transfer. There was no convincing evidence of a forced laminar regime. The data were correlated for each of the regimes, with the Reynolds number, Re, or the Grashof number combined with the Reynolds number as Gr/Re to the 2.5 power used to characterize the different kinds of heat transfer. For water flowing over a horizontal ice sheet, the melting heat flux, for low flow velocities, was not found to drop below the value for the free convection case-488.5 W/sq m-as long as the water temperature exceeds 3.4 C. This is significant since the free convection melt values far exceed those for laminar forced convection. At the low flow velocities, the melting flux was not dependent upon the fluid temperature until the water temperature dropped below 3.4 C, when q sub c = 135.7 (Delta T). In general, the heat transfer was found to significantly exceed that of non-melting systems for the same regimes. This was attributed to increased free stream turbulence, thermal instability due to the density maximum of water near 4 C, and the turbulent eddies associated with the generation of a wavy ice surface during the melting.
Author : Richard W. Soderberg
Publisher : CRC Press
Page : 164 pages
File Size : 51,7 Mb
Release : 2020-09-10
Category : Science
ISBN : 9781000157505
Flowing Water Fish Culture provides an in-depth discussion of the husbandry of fin fish in a stream of water. It guides the reader through the technical considerations of intensive aquaculture, including fish growth rates, hydraulic characteristics of fish rearing units, oxygen consumption rates in relation to oxygen solubility and fish tolerance of hypoxia, and water reconditioning by reaeration and ammonia filtration. Unlike other publications that provide only general overviews on the subject, this text/reference offers specific details that will be useful in the actual design and operation of a facility. Problem sets at the end of each chapter provide ample opportunity to develop skills. The information in the book is valuable for those teaching, considering, or practicing aquaculture at intensity levels ranging from conventional single-pass trout hatcheries to closed aquaculture systems.
Author : Y. Xiao
Publisher : Unknown
Page : 8 pages
File Size : 49,8 Mb
Release : 2002
Category : Creosote
ISBN : MINN:31951D02273784G
Author : Anonim
Publisher : Unknown
Page : 110 pages
File Size : 50,8 Mb
Release : 2002
Category : Government publications
ISBN : UOM:39015056486866
Author : Luis Antonio Bittar Venturi
Publisher : Cambridge Scholars Publishing
Page : 197 pages
File Size : 46,5 Mb
Release : 2020-03-10
Category : Science
ISBN : 9781527548381
This book presents the results of research cooperation between the Departments of Geography of the University of São Paulo, the University of Damascus and the University of Cambridge. It serves to refute the widely spread Malthusian paradigm—which forecasts conflicts due to water scarcity—by showing that this perspective has neither an empirical nor conceptual basis. It begins from the hypothesis that both sharing water politics and the use of technology can annul the water scarcity-conflict paradigm. To corroborate this hypothesis, the book uses two variables illustrated by two contexts: the Euphrates River basin was utilised to study the first variable of the hypothesis (sharing water), and to show that agreements on international river basins have assured fair use of water by avoiding conflicts, not only in the Middle East, but also in the vast majority of international basins throughout the world. The second context, the Persian Gulf and Arab Peninsula, was used to corroborate the second variable of the hypothesis—the use of technology to assure water supply; again, not only in the Middle East, but all over the world as well.
Author : David S. Morgan
Publisher : Unknown
Page : 110 pages
File Size : 44,5 Mb
Release : 1988
Category : Groundwater
ISBN : UCR:31210024318717
Author : George Radosevich
Publisher : Unknown
Page : 272 pages
File Size : 45,9 Mb
Release : 1978
Category : Irrigation
ISBN : UOM:39015095303320
Author : George E. Radosevich
Publisher : Unknown
Page : 268 pages
File Size : 44,7 Mb
Release : 1978
Category : Irrigation
ISBN : IND:30000090322037
Author : John E. Fish
Publisher : Unknown
Page : 120 pages
File Size : 50,6 Mb
Release : 1988
Category : Aquifers
ISBN : UIUC:30112098724666
Author : Tsuyoshi Miyazaki
Publisher : CRC Press
Page : 440 pages
File Size : 44,5 Mb
Release : 2005-07-28
Category : Technology & Engineering
ISBN : 9781420030136
The new edition of a bestseller, Water Flow in Soils bridges the fields of soil physics-where descriptions of water flow tend to be microscopic- and hydrology - where they tend to be macroscopic. Unlike other physics laden texts, this work conveys the fundamental concepts of water flow in soils with clear and essentially nonmathematical explanation
Author : David Russo,Gedeon Dagan
Publisher : Springer Science & Business Media
Page : 323 pages
File Size : 50,7 Mb
Release : 2012-12-06
Category : Technology & Engineering
ISBN : 9783642779473
A year has passed since Eshel Bresler, my good friend and colleague, and a member of the editorial board of the Advanced Series in Agricultural Sciences, died suddenly while on a visit to the Chinese Academy of Sciences in Beijing. We had worked together for almost 30 years at the Institute of Soils and Water, ARO, The Volcani Center at Bet Dagan. At the very beginning of our scientific careers we cooperated directly and as a result one of our first publications was coauthored (Soil Sci. 101:205-209, 1966). Thereafter, our specific research interests diver sified, but we continued to work together, with similar approaches to research, and to strive towards the development of Israel soil science and its integration into general worldwide scientific progress. I don't need to emphasize Eshel's contribution to the understan ding of the processes governing water flow and solute transport pro cesses in soils and unsaturated zones. The contributions to this Volume by such a body of outstanding scientists shows the apprecia tion of the international scientific community to his research achievements.
Author : Peter F. Frenzel,C. A. Kaehler
Publisher : Unknown
Page : 130 pages
File Size : 54,5 Mb
Release : 1992
Category : Groundwater
ISBN : UFL:31262049688087
Author : J. Paul Guyer, P.E., R.A.
Publisher : Guyer Partners
Page : 57 pages
File Size : 52,8 Mb
Release : 2021-10-06
Category : Technology & Engineering
ISBN : 8210379456XXX
Introductory technical guidance for civil engineers and other professional engineers and construction managers interested in operation and maintenance of domestic water distribution systems. Here is what is discussed: 1. INTRODUCTION 2. DISTRIBUTION 3. STORAGE 4. VALVES AND HYDRANTS 5. I&C AND WATER METERS 6. CROSS-CONNECTION CONTROL AND BACKFLOW PREVENTION