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BL
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| Record Number
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860662
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| Main Entry
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Gelnar, Daniel
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| Title & Author
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Discrete element method in the design of transport systems : : verification and validation of 3D models /\ Daniel Gelnar, Jiri Zegzulka.
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| Publication Statement
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Cham, Switzerland :: Springer,, [2019]
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, ©2019
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| Page. NO
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1 online resource
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| ISBN
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3030057135
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: 3030057143
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: 9783030057138
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: 9783030057145
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3030057127
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9783030057121
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| Bibliographies/Indexes
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Includes bibliographical references and index.
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| Contents
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Intro; Preface; Reference; Acknowledgment; Contents; Abbreviations; List of Quantities and Symbols; List of Greek Letters; List of Subscripts; Contribution to the Discipline and Practice; Chapter 1: Introduction; Chapter 2: Basic Description of DEM; References; Chapter 3: Basic Description of Bucket Elevators; References; Chapter 4: Bucket Elevator Filling and Discharge; 4.1 Discharge of Buckets; 4.1.1 Gravity Discharge; 4.1.2 Mixed Discharge; 4.1.3 Centrifugal Discharge; 4.2 Bucket Filling; 4.2.1 Direct Flow of Material Filling; 4.2.2 Theoretical Calculation of Direct Flow Filling
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4.2.3 Scooping of Material4.2.4 Combined Method of Bucket Filling; 4.2.5 Theoretical Calculation of Scooping; References; Chapter 5: The New Method of Design and Optimization; Chapter 6: Input Parameters for DEM -- Bulk Material; 6.1 Selection of Particle Shape for Simulation and Real Measurements; 6.2 Measurements of Apparent Density and Volumetric Weight; 6.3 Measurements of Internal Friction; 6.4 Measurements of External Friction; 6.5 Measurements of Repose Angle; 6.6 Measurements of Particle Size Distribution; 6.7 Measurements of Coefficient of Restitution
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6.8 Measurements of Sliding Friction6.9 Measurements of Rolling Friction; 6.10 Summary of Results for DEM Input Parameters; References; Chapter 7: Input Parameters for DEM -- Geometry of the 3D Model and Validation Machine; 7.1 Creation of Simulation Environment; 7.2 Design and Creation of the Validation Bucket; Reference; Chapter 8: Input Parameters -- Kinematic Properties; Chapter 9: Process Validation and Calibration; 9.1 Direct Measurements and the Validation Bucket Elevator; 9.2 Evaluation of the Direct Method Using DS-NET Strain Gauge System
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9.3 Indirect Measurements and the Validation Bucket Elevator9.4 Evaluation of the Indirect Method Using PIV Software (Particle Image Velocimetry); 9.5 Validation -- Preparation of Measurements; 9.6 Validation -- Measurement Results; Chapter 10: The Results for the Optimization of Bucket Filling and Discharge; 10.1 The Results for Optimization of Bucket Discharge; 10.2 The Results for Optimization of Bucket Filling; Chapter 11: The Results for Optimization of Filling Bulk Material in the Bucket to Minimize Travel Resistance and Impacts
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Chapter 12: The Results for Process Optimization of Bulk Material Filling into the Bucket to Minimize Abrasive and Destructive Impacts of the Bucket Edge on the Transported MassChapter 13: The Optimization of Bucket Discharge to Maximize the Transported Volume and to Minimize Material Fall Down the Shaft; Chapter 14: Conclusion; Interesting Links; Awards; References; Index
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| Abstract
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This book deals with the design and optimization of the bucket elevator using the discrete element method (DEM). It describes the underlying scientific basis for the design of transport equipment using computer simulations and is focused on issues relevant to the industrial sector, mechanical engineering; and the transport, treatment, measurement, and storage of bulk materials. It presents solutions for mitigating bulk material supply chain interruptions due to process malfunctions and failures, utilizing research on monitoring and evaluating of the dynamic processes of particulate matter. The aim of the book is to help readers new to the field with the design of innovative devices. Imparting practical information aimed at saving time and money in project design, the book is ideal for engineers, designers, and researchers concerned with all aspects of bulk materials. Introduces and explains fully the Discrete Element Method using measured values as inputs for the method;Shows whether calculated simulations and real measured values models can be used for design;Illustrates how to validate, calibrate, and optimize the dynamic processes of bulk elevators;Explains how to test transport and storage equipment before it is produced using dynamic simulation of material flow on transport lines, saving time and money.
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| Subject
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Bulk solids-- Transportation.
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| Subject
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Discrete element method.
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| Subject
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Bulk solids-- Transportation.
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| Subject
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Discrete element method.
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| Subject
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TRANSPORTATION-- Ships Shipbuilding-- Pictorial.
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| Dewey Classification
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387.164
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| LC Classification
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HE595.B84
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| Added Entry
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Zegzulka, Jiří
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