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Author: Dunn Publisher: Tata McGraw-Hill Education ISBN: 9780070677494 Category : Languages : en Pages : 0
Book Description
Designed as a text for use in community colleges or vocational schools, this up to date text is unsurpassed in its treatment of such subjects as: instruments and parameters, electrical components(both analog and digital) various types of actuators and regulators, plumbing and instrumentation diagrams and Operation of process controllers.
Author: Dunn Publisher: Tata McGraw-Hill Education ISBN: 9780070677494 Category : Languages : en Pages : 0
Book Description
Designed as a text for use in community colleges or vocational schools, this up to date text is unsurpassed in its treatment of such subjects as: instruments and parameters, electrical components(both analog and digital) various types of actuators and regulators, plumbing and instrumentation diagrams and Operation of process controllers.
Author: William C. Dunn Publisher: McGraw Hill Professional ISBN: 1260122263 Category : Technology & Engineering Languages : en Pages : 352
Book Description
A Fully Updated, Practical Guide to Automated Process Control and Measurement Systems This thoroughly revised guide offers students a solid grounding in process control principles along with real-world applications and insights from the factory floor. Written by an experienced engineering educator, Fundamentals of Industrial Instrumentation and Process Control, Second Edition is written in a clear, logically organized manner. The book features realistic problems, real-world examples, and detailed illustrations. You’ll get clear explanations of digital and analog components, including pneumatics, actuators, and regulators, and comprehensive discussions on the entire range of industrial processes. Fundamentals of Industrial Instrumentation and Process Control, Second Edition covers:•Pressure•Level•Flow•Temperature and heat•Humidity, density, viscosity, & pH•Position, motion, and force•Safety and alarm•Electrical instruments and conditioning•Regulators, valves, and actuators•Process control•Documentation and symbol standards•Signal transmission•Logic gates•Programmable Logic controllers•Motor control•And much more
Author: William Dunn Publisher: McGraw Hill Professional ISBN: 0071466932 Category : Technology & Engineering Languages : en Pages : 322
Book Description
Instrumentation technicians work on pneumatics, electronic instruments, digital logic devices and computer-based process controls. Because so much of their work involves computerized devices, they need an extensive knowledge of electronics, and most have degrees in electronics technology. Most textbooks in this area are written for four year institutions and lack the practical flavor that is needed in technical schools or community colleges. Designed as a text for use in community colleges or vocational schools, this up to date text is unsurpassed in its treatment of such subjects as: instruments and parameters, electrical components(both analog and digital) various types of actuators and regulators, plumbing and instrumentation diagrams and Operation of process controllers.
Author: José A. Romagnoli Publisher: Elsevier ISBN: 9780080530277 Category : Technology & Engineering Languages : en Pages : 270
Book Description
Computer techniques have made online measurements available at every sampling period in a chemical process. However, measurement errors are introduced that require suitable techniques for data reconciliation and improvements in accuracy. Reconciliation of process data and reliable monitoring are essential to decisions about possible system modifications (optimization and control procedures), analysis of equipment performance, design of the monitoring system itself, and general management planning. While the reconciliation of the process data has been studied for more than 20 years, there is no single source providing a unified approach to the area with instructions on implementation. Data Processing and Reconciliation for Chemical Process Operations is that source. Competitiveness on the world market as well as increasingly stringent environmental and product safety regulations have increased the need for the chemical industry to introduce such fast and low cost improvements in process operations. Introduces the first unified approach to this important field Bridges theory and practice through numerous worked examples and industrial case studies Provides a highly readable account of all aspects of data classification and reconciliation Presents the reader with material, problems, and directions for further study
Author: W. Bolton Publisher: Universities Press ISBN: 9788173713644 Category : Languages : en Pages : 222
Book Description
The basic aim of this text is to provide a comprehensive introduction to the principles of industrial control and instrumentation. The author not only outline the basic concepts and terninology of measurement and control systems, he also discusses, in detail, the elements used to build up such systems. As well as a final consideration of measurement and control systems, each chepter concludes with relevant problems in order that stutdents can test their newly-acquired knowledge as they progress.
Author: Gregory K. McMillan Publisher: McGraw Hill Professional ISBN: 1260117987 Category : Technology & Engineering Languages : en Pages : 752
Book Description
Extensive practical plant based knowledge to achieve the best automation system BACK COVER DESCRIPTION: This fully updated on-the-job reference contains all the automation and control information you need to make timely decisions, and maximize process capacity and efficiency. Featuring contributions from 50 top technical experts, Process/Industrial Instruments and Controls Handbook, Sixth Edition covers the latest technologies and advances. More importantly, the book helps you select the right instrumentation, install and maintain it correctly, and leverage it to maximize plant performance and profitability. You will get all you need to know to execute a successful automation project including time-saving tables, lists of essential best practices, and hundreds of topic-defining illustrations. Coverage includes: •Process variable measurements•Analytical measurements•Control Network communications•Safety instrumented systems•Control systems fundamentals•PID control strategies•Continuous and batch control•Improving operator performance•Improving process performance•Project management•And more
Author: Peter S. Johnson Publisher: Hanser Gardner Publications ISBN: 9781569903094 Category : Technology & Engineering Languages : en Pages : 145
Book Description
1 Overview of Rubber Processing p. 1 1.1 Introduction p. 1 1.2 Testing p. 2 1.2.1 Raw Materials Quality Assurance p. 2 1.2.2 Processability Testing of Mixed Compounds p. 2 1.2.3 End Product Testing p. 3 1.3 Conclusion p. 3 References p. 4 2 Raw Materials Acceptance and Specifications p. 5 2.1 Introduction p. 5 2.2 Raw Materials Specifications p. 5 2.2.1 Elastomers p. 6 2.2.2 Fillers p. 7 3 Mixing of Rubber Compounds p. 9 3.1 Introduction p. 9 3.2 Material Flow to the Mixer p. 10 3.2.1 Receipt and Storage of Raw Materials p. 11 3.2.2 Feeding, Weighing, and Charging Raw Materials p. 12 3.2.2.1 Weighing Major Ingredients p. 14 3.2.2.2 Small Component Weighing p. 14 3.3 The Mixing Process p. 15 3.3.1 Incorporation p. 16 3.3.2 Dispersion p. 17 3.3.3 Distribution p. 19 3.3.4 Plasticization p. 20 3.3.5 Natural Rubber Mastication p. 20 3.3.6 Flow Visualization and Modeling of the Mixing Process p. 20 3.3.6.1 Flow Visualization p. 21 3.3.6.2 Modeling p. 21 3.3.7 Flow Behavior on Mills p. 24 3.4 Internal Mixers p. 26 3.4.1 Developments in Internal Mixers p. 29 3.4.1.1 Farrel Mixers p. 29 3.4.1.2 Kobelco Stewart Bolling Mixers p. 30 3.4.1.3 Krupp-Midwest Werner und Pfleiderer Mixers p. 31 3.4.1.4. Pomini Mixers p. 31 3.4.2 Choosing a Mixer p. 32 3.4.3 Inspection and Preventative Maintenance of Mixers p. 32 3.4.4 Internal Mixer Operation p. 33 3.4.4.1 Mixing Procedures p. 33 3.4.4.2 Temperature Control in Internal Mixers p. 37 3.4.4.3 Rotor Speed p. 37 3.4.4.4 Ram Pressure p. 38 3.4.4.5 Batch Size p. 38 3.4.4.6 Dump Criteria p. 40 3.4.5 Control of the Mixing Process p. 41 3.4.6 Scale-Up p. 41 3.5 Take-Off Systems p. 43 3.5.1 Dump Mills p. 43 3.5.2 Packaging p. 44 3.5.3 Single Pass Mixing p. 45 3.6 Other Mixing Equipment p. 45 3.6.1 Mill Mixing p. 45 3.6.2 Continuous Mixing p. 47 3.7 Custom Compounding p. 47 3.8 Troubleshooting the Mixing Process p. 48 3.8.1 Inadequate Dispersion or Distribution p. 49 3.8.2 Scorchy Compound p. 49 3.8.3 Contamination p. 49 3.8.4 Poor Handling on Dump Mill p. 49 3.8.5 Batch-to-Batch Variation p. 49 3.9 Concluding Comments p. 50 References p. 50 4 Flow Behavior of Compounds p. 53 4.1 Introduction p. 53 4.2 Fundamentals of Rheology p. 53 4.3 Effect of Compounding Ingredients on Processing Behavior p. 58 4.3.1 Elastomers p. 58 4.3.2 Fillers p. 59 4.3.2.1 Carbon Blacks p. 59 4.3.3 Plasticizers and Processing Aids p. 60 4.3.3.1 Plasticizers p. 61 4.3.3.2 Processing Aids p. 62 4.3.4 Elasticity p. 63 4.3.5 Conclusion p. 64 References p. 64 5 Testing of Compounds After Mixing p. 65 5.1 Introduction p. 65 5.2 Processability Test Instruments p. 68 5.2.1 The Mooney Viscometer p. 68 5.2.1.1 Delta Mooney p. 69 5.2.1.2 TMS Rheometer p. 70 5.2.2 Capillary Rheometers p. 80 5.2.3 Oscillating Disk Curemeters p. 73 5.2.4 Rotorless Curemeters p. 75 5.2.5 Dynamic Mechanical Rheological Testers p. 75 5.2.6 Stress Relaxation Instruments p. 75 5.2.7 ODR Cure Times Correlation with MDR p. 77 5.3 Comparison of Alpha Technologies Processability Test Instruments p. 78 5.4 Conclusion p. 80 References p. 80 6 The Curing Process p. 83 6.1 Introduction p. 84 6.2 Scorch or Premature Vulcanization p. 84 References p. 85 7 Calendering of Rubber p. 87 7.1 Introduction p. 87 7.2 Equipment p. 87 7.3 Processes p. 88 7.3.1 Feeding p. 88 7.3.2 Sheeting p. 88 7.3.3 Frictioning p. 88 7.3.4 Coating p. 89 7.3.5 Roller Dies p. 89 7.3.6 Downstream Processes p. 90 7.4 Modeling the Calendering Process p. 90 7.5 Troubleshooting Problems in Calendering p. 91 7.5.1 Scorch p. 91 7.5.2 Blistering p. 91 7.5.3 Rough or Holed Sheet p. 91 7.5.4 Tack p. 91 7.5.5 Bloom p. 91 7.6 Conclusions p. 91 References p. 92 8 Extrusion of Rubber p. 93 8.1 Introduction p. 93 8.2 Feeding p. 93 8.2.1 Cold-Feed versus Hot-Feed Extruders p. 94 8.3 Mass Transfer, Conveying, or Pumping p. 96 8.3.1 Flow Mechanism p. 97 8.3.2 Extruder Designs p. 98 8.3.2.1 The Maillefer Screw p. 99 8.3.2.2 The Iddon Screw p. 100 8.3.2.3 The Transfermix p. 101 8.3.2.4 The EVK Screw p. 101 8.3.2.5 The Pin Barrel Extruder p. 101 8.3.2.6 The Cavity Transfer Mixer p. 102 8.3.2.7 Vented Extruders p. 104 8.3.2.8 Dump Extruders p. 104 8.3.2.9 Strainers p. 105 8.3.2.10 Extruder Barrels p. 105 8.4 Extruder Operation and Control p. 105 8.5 Shaping p. 108 8.5.1 Extruder Heads p. 108 8.5.1.1 Coextrusion p. 109 8.5.1.2 Crossheading p. 109 8.5.1.3 Shear Heads p. 109 8.5.2 Dies p. 111 8.5.2.1 Pressure Drop p. 111 8.5.2.2 Die Swell p. 111 8.6 Take-Off and Curing p. 112 8.6.1 Continuous Vulcanization Systems p. 113 8.6.1.1 Pressurized Steam Systems p. 113 8.6.1.2 Hot Air Curing Systems p. 113 8.6.1.3 Hot Air Fluidized Bed Systems p. 114 8.6.1.4 Liquid Salt Bath Systems p. 114 8.6.1.5 Microwave Systems p. 114 8.6.1.6 Shear Head Systems p. 115 8.6.1.7 Electron Beam Systems p. 115 8.6.1.8 Steel Belt Presses p. 116 8.6.1.9 Ultrasonic Vulcanization p. 116 8.7 Troubleshooting the Extrusion Process p. 116 8.7.1 Low Output Rate p. 116 8.7.2 Poor Dimensional Stability of Extrudate p. 117 8.7.3 Excessive Heat Buildup in Compound p. 117 8.7.4 Rough Surface on Extrudate p. 117 8.7.5 Contamination p. 117 8.7.6 Porosity in Extrudate p. 117 8.7.7 Strip Difficult to Feed p. 117 8.7.8 Surging Output p. 118 8.8 Concluding Comments p. 118 References p. 118 9 Molding of Rubber p. 119 9.1 Introduction p. 119 9.2 Compression and Transfer Molding p. 120 9.3 Injection Molding of Rubber p. 122 9.3.1 Injection Molding Equipment p. 125 9.3.1.1 Delivery Systems p. 125 9.3.1.2 Nozzles, Runners, and Gates p. 127 9.3.1.3 Molds p. 128 9.3.1.4 Automatic Ejection p. 129 9.3.1.5 Deflashing p. 129 9.3.2 The Injection Molding Process p. 130 9.3.2.1 Injection Temperature p. 130 9.3.2.2 Screw Speed p. 131 9.3.2.3 Back Pressure p. 131 9.3.2.4 Injection Pressure p. 131 9.3.2.5 Summary p. 131 9.3.3 Monitoring and Modeling the Injection Molding Process p. 131 9.3.4 Control of the Injection Molding Process p. 132 9.3.5 Compounds for Injection Molding p. 133 9.3.6 Problems in Injection Molding of Rubber p. 133 References p. 136 10 Finished Product Testing p. 137 10.1 Introduction p. 137 10.2 Test of Filler Distribution and Dispersion p. 138 10.2.1 Microscopy p. 138 10.2.2 Surface Roughness p. 138 10.3 Tests on Cured Specimens p. 138 10.3.1 Tensile Tests p. 139 10.3.2 Hardness p. 139 10.3.3 Compression Set p. 139 10.3.4 Solvent Resistance p. 140 10.3.5 Aging p. 140 10.3.6 Ozone Cracking p. 140 References p. 140 Index p. 143.
Author: Dunn
Author: Dunn
Author: William C. Dunn
Author: William Dunn
Author: 
Author: José A. Romagnoli
Author: W. Bolton
Author: Gregory K. McMillan
Author: Alok Barua
Author: Tony R. Kuphaldt
Author: Peter S. Johnson