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Book Description
ON MONTRE, PAR LA DETERMINATION DE LA DISTRIBUTION DES TEMPS DE SEJOUR DES PARTICULES FLUIDES, QUE LA STRUCTURE GENERALE DE L'ECOULEMENT EN DECANTEUR CYLINDRIQUE EST DE TYPE HELICOIDAL. L'ETUDE DU COMPORTEMENT DES MATERIAUX SOLIDES, EGALEMENT CARACTERISE PAR LA DTS, MONTRE QUE LE MOUVEMENT DES PARTICULES S'EFFECTUE SUIVANT 2 MODES DIFFERENTS: UNE PARTIE EST TRES RAPIDEMENT ENTRAINEE DANS LE DEVERSOIR DE SORTIE (COURT-CIRCUIT), L'AUTRE PARTIE SE DEPOSE OU TRANSITE A PROXIMITE DU FOND; A DES INTERVALLES DE TEMPS IRREGULIERS, CES MATERIAUX SONT ENTRAINES EN SUSPENSION DANS L'ECOULEMENT ET PEUVENT SOIT SE REDEPOSER, SOIT SORTIR DU DECANTEUR.
Book Description
ON MONTRE, PAR LA DETERMINATION DE LA DISTRIBUTION DES TEMPS DE SEJOUR DES PARTICULES FLUIDES, QUE LA STRUCTURE GENERALE DE L'ECOULEMENT EN DECANTEUR CYLINDRIQUE EST DE TYPE HELICOIDAL. L'ETUDE DU COMPORTEMENT DES MATERIAUX SOLIDES, EGALEMENT CARACTERISE PAR LA DTS, MONTRE QUE LE MOUVEMENT DES PARTICULES S'EFFECTUE SUIVANT 2 MODES DIFFERENTS: UNE PARTIE EST TRES RAPIDEMENT ENTRAINEE DANS LE DEVERSOIR DE SORTIE (COURT-CIRCUIT), L'AUTRE PARTIE SE DEPOSE OU TRANSITE A PROXIMITE DU FOND; A DES INTERVALLES DE TEMPS IRREGULIERS, CES MATERIAUX SONT ENTRAINES EN SUSPENSION DANS L'ECOULEMENT ET PEUVENT SOIT SE REDEPOSER, SOIT SORTIR DU DECANTEUR.
Author: M. Bouvard Publisher: Routledge ISBN: 1351431145 Category : Technology & Engineering Languages : en Pages : 430
Book Description
Rapid growth in water requirements makes it necessary to increase the amount of water drawn from rivers. The dams necessary for capturing river water have to be built to resist damage when large floods occur, and an idea of the possible destructive power of floods is given by the front photograph. The need for protection results in thick sill structures fitted with gates, and ""upstream"" and ""downstream"" cut-off walls. Sediment transported by rivers settles forming deposits behind dams, where flow velocities decrease. On the other hand, where flow velocities are high through hydraulic machinery (pums and turbines) fed from the dam, it can be necessary to remove even fine sand from the water, and also to remove floating debris. Various hydro-mechanical installations (including gates and screens) are introduced into the flow circuits to deal with sediment and debris problems.Many emperical solutions to definition of very important details complement standard design procedures. Understanding of their use is facilitated by numerous illustrations.
Author: Linda Strande Publisher: IWA Publishing ISBN: 1780404735 Category : Technology & Engineering Languages : en Pages : 428
Book Description
It is estimated that literally billions of residents in urban and peri-urban areas of Africa, Asia, and Latin America are served by onsite sanitation systems (e.g. various types of latrines and septic tanks). Until recently, the management of faecal sludge from these onsite systems has been grossly neglected, partially as a result of them being considered temporary solutions until sewer-based systems could be implemented. However, the perception of onsite or decentralized sanitation technologies for urban areas is gradually changing, and is increasingly being considered as long-term, sustainable options in urban areas, especially in low- and middle-income countries that lack sewer infrastructures. This is the first book dedicated to faecal sludge management. It compiles the current state of knowledge of the rapidly evolving field of faecal sludge management, and presents an integrated approach that includes technology, management, and planning based on Sandecs 20 years of experience in the field. Faecal Sludge Management: Systems Approach for Implementation and Operation addresses the organization of the entire faecal sludge management service chain, from the collection and transport of sludge, and the current state of knowledge of treatment options, to the final end use or disposal of treated sludge. The book also presents important factors to consider when evaluating and upscaling new treatment technology options. The book is designed for undergraduate and graduate students, and engineers and practitioners in the field who have some basic knowledge of environmental and/or wastewater engineering.
Author: Ahmed Belasri Publisher: Springer Nature ISBN: 9811554447 Category : Technology & Engineering Languages : en Pages : 659
Book Description
This book highlights peer reviewed articles from the 1st International Conference on Renewable Energy and Energy Conversion, ICREEC 2019, held at Oran in Algeria. It presents recent advances, brings together researchers and professionals in the area and presents a platform to exchange ideas and establish opportunities for a sustainable future. Topics covered in this proceedings, but not limited to, are photovoltaic systems, bioenergy, laser and plasma technology, fluid and flow for energy, software for energy and impact of energy on the environment.
Author: Bernardo Dominguez
Author: Bernardo Dominguez
Author: Bernardo Dominguez
Author: M. Bouvard
Author: 
Author: Herbert Simon Stephens
Author: International Association for Hydraulic Research. Congress
Author: International Association for Hydraulic Research
Author: Marianne Berne
Author: Linda Strande
Author: Ahmed Belasri