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1. |
Record Nr. |
UNIORUON00078107 |
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Autore |
CHEBEL, Malek |
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Titolo |
Histoire de la circoncision : des origines à nos jours / Malek Chebel |
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Pubbl/distr/stampa |
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Paris, : Editions Balland, c1992 |
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ISBN |
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Descrizione fisica |
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250 p., [8] p. di tav. ; 22 cm |
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Disciplina |
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Soggetti |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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2. |
Record Nr. |
UNINA9910741182603321 |
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Autore |
Jansen Jan Dirk |
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Titolo |
A systems description of flow through porous media / / Jan Dirk Jansen |
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Pubbl/distr/stampa |
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Heidelberg ; ; New York, : Springer, c2013 |
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ISBN |
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Edizione |
[1st ed. 2013.] |
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Descrizione fisica |
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1 online resource (130 p.) |
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Collana |
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SpringerBriefs in earth sciences, , 2191-5369 |
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Disciplina |
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Soggetti |
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Porous materials - Fluid dynamics - Mathematical models |
Fluid dynamics - Mathematical models |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references and index. |
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Nota di contenuto |
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Porous media flow: Single-phase flow -- Two-phase flow -- System models: System equation -- Single-phase flow -- Two-phase flow -- System response: Free response -- Forced response -- Numerical simulation -- Examples -- Nomenclature. |
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Sommario/riassunto |
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This text forms part of material taught during a course in advanced |
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reservoir simulation at Delft University of Technology over the past 10 years. The contents have also been presented at various short courses for industrial and academic researchers interested in background knowledge needed to perform research in the area of closed-loop reservoir management, also known as smart fields, related to e.g. model-based production optimization, data assimilation (or history matching), model reduction, or upscaling techniques. Each of these topics has connections to system-theoretical concepts. The introductory part of the course, i.e. the systems description of flow through porous media, forms the topic of this brief monograph. The main objective is to present the classic reservoir simulation equations in a notation that facilitates the use of concepts from the systems-and-control literature. Although the theory is limited to the relatively simple situation of horizontal two-phase (oil-water) flow, it covers several typical aspects of porous-media flow. The first chapter gives a brief review of the basic equations to represent single-phase and two-phase flow. It discusses the governing partial-differential equations, their physical interpretation, spatial discretization with finite differences, and the treatment of wells. It contains well-known theory and is primarily meant to form a basis for the next chapter where the equations will be reformulated in terms of systems-and-control notation. The second chapter develops representations in state-space notation of the porous-media flow equations. The systematic use of matrix partitioning to describe the different types of inputs leads to a description in terms of nonlinear ordinary-differential and algebraic equations with (state-dependent) system, input, output and direct-throughput matrices. Other topics include generalized state-space representations, linearization, elimination of prescribed pressures, the tracing of stream lines, lift tables, computational aspects, and the derivation of an energy balance for porous-media flow. The third chapter first treats the analytical solution of linear systems of ordinary differential equations for single-phase flow. Next it moves on to the numerical solution of the two-phase flow equations, covering various aspects like implicit, explicit or mixed (IMPES) time discretizations and associated stability issues, Newton-Raphson iteration, streamline simulation, automatic time-stepping, and other computational aspects. The chapter concludes with simple numerical examples to illustrate these and other aspects such as mobility effects, well-constraint switching, time-stepping statistics, and system-energy accounting. The contents of this brief should be of value to students and researchers interested in the application of systems-and-control concepts to oil and gas reservoir simulation and other applications of subsurface flow simulation such as CO2 storage, geothermal energy, or groundwater remediation. |
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3. |
Record Nr. |
UNINA9911020073103321 |
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Autore |
German Randall M. <1946-> |
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Titolo |
Mathematical relations in particulate materials processing : ceramics, powder metals, cermets, carbides, hard materials, and minerals / / Randall M. German, Seong Jin Park |
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Pubbl/distr/stampa |
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Hoboken, NJ, : Wiley, c2008 |
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ISBN |
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9786612686184 |
9781282686182 |
1282686186 |
9780470370087 |
0470370084 |
9780470368725 |
0470368721 |
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Descrizione fisica |
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1 online resource (455 p.) |
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Collana |
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Wiley series on processing of engineering materials |
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Altri autori (Persone) |
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Disciplina |
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Soggetti |
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Powder metallurgy |
Powder metallurgy - Mathematical models |
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Lingua di pubblicazione |
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Formato |
Materiale a stampa |
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Livello bibliografico |
Monografia |
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Note generali |
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Description based upon print version of record. |
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Nota di bibliografia |
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Includes bibliographical references (p. 409-419) and index. |
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Nota di contenuto |
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MATHEMATICAL RELATIONS IN PARTICULATE MATERIALS PROCESSING; CONTENTS; Foreword; About the Authors; A; Abnormal Grain Growth; Abrasive Wear-See Friction and Wear Testing; Acceleration of Free-settling Particles; Activated Sintering, Early-stage Shrinkage; Activation Energy-See Arrhenius Relation; Adsorption-See BET Specific Surface Area; Agglomerate Strength; Agglomeration Force; Agglomeration of Nanoscale Particles-See Nanoparticle Agglomeration; Andreasen Size Distribution; Apparent Diffusivity; Archard Equation; Archimedes Density; Arrhenius Relation |
Atmosphere Moisture Content-See Dew PointAtmosphere-stabilized Porosity-See Gas-generated Final Pores; Atomic Flux in Vacuum Sintering; Atomic-size Ratio in Amorphous Metals; Atomization Spheroidization Time-See Spheroidization Time; Atomization Time-See Solidification Time; Average Compaction Pressure-See Mean Compaction Pressure; Average Particle Size-See Mean Particle Size; |
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Avrami Equation; B; Ball Milling-See Jar Milling; Bearing Strength; Bell Curve-See Gaussian Distribution; Bending-beam Viscosity; Bending Test; BET Equivalent Spherical-particle Diameter; BET Specific Surface Area |
Bimodal Powder PackingBimodal Powder Sintering; Binder Burnout-See Polymer Pyrolysis; Binder (Mixed Polymer) Viscosity; Bingham Model-See Viscosity Model for Injection-molding Feedstock; Bingham Viscous-flow Model; Boltzmann Statistics-See Arrhenius Relation; Bond Number; Bragg's Law; Brazilian Test; Breakage Model; Brinell Hardness; Brittle Material Strength Distribution-See Weibull Distribution; Broadening; Brownian Motion; Bubble Point-See Washburn Equation; Bulk Transport Sintering-See Sintering Shrinkage and Surface-area Reduction Kinetics; C |
Cantilever-beam Test-See Bending-beam ViscosityCapillarity; Capillarity-induced Sintering-See Surface Curvature-Driven Mass Flow in Sintering; Capillary Pressure during Liquid-phase Sintering-See Mean Capillary Pressure; Capillary Rise-See Washburn Equation; Capillary Stress-See Laplace Equation; Case Carburization; Casson Model; Cemented-carbide Hardness; Centrifugal Atomization Droplet Size; Centrifugal Atomization Particle Size; Charles Equation for Milling; Chemically Activated Sintering-See Activated Sintering, Early-stage Shrinkage; Closed-pore Pressure-See Spherical-pore Pressure |
Closed Porosity-See Open-pore ContentCoagulation Time; Coalescence-See Coagulation Time; Coalescence-induced Melting of Nanoscale Particles; Coalescence of Liquid Droplets-See Liquid-droplet Coalescence Time; Coalescence of Nanoscale Particles-See Nanoparticle Agglomeration; Coble Creep; Coefficient of Thermal Expansion-See Thermal Expansion Coefficient; Coefficient of Variation; Coercivity of Cemented Carbides-See Magnetic Coercivity Correlation in Cemented Carbides; Cold-spray Process-See Spray Deposition; Colloidal Packing Particle-size Distribution-See Andreasen Size Distribution |
Combined-stage Model of Sintering |
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Sommario/riassunto |
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The only handbook of mathematical relations with a focus on particulate materials processing The National Science Foundation estimates that over 35% of materials-related funding is now directed toward modeling. In part, this reflects the increased knowledge and the high cost of experimental work. However, currently there is no organized reference book to help the particulate materials community with sorting out various relations. This book fills that important need, providing readers with a quick-reference handbook for easy consultation. This one-of-a-kind handbook gives readers |
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