modeling tools for process dynamics
Modeling Tools for Environmental Engineers and Scientists Episode 1 docx
... York Webber, W J Jr (1972) Physicochemical Processes for Water Quality Control, Wiley Interscience, New York Webber, W J and DiGiano, F A (1996) Process Dynamics in Environmental Systems, John Wiley ... and Lee, Y H Design for high purity oxygen absorption and nitrogen stripping for fish culture, Aquacultural Eng., 7, 201–210, 1988 Thibodeaux, L J (1996) Environmental Chemodynamics, John Wiley ... numerical software packages for educational use in chemical engineering curriculum, Computers in Edu J., IX, 9, 1999 Shoup, T E (1979) A Practical Guide to Computer Methods for Engineers, PrenticeHall,...
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Modeling Tools for Environmental Engineers and Scientists Episode 2 ppsx
... common modeling approaches in the environmental area can be classified into three basic types—physical modeling, empirical modeling, and mathematical modeling The third type forms the foundation for ... empirical modeling approaches provide valuable information to the mathematical modeling process These three approaches are reviewed in the next section 1.1.1 PHYSICAL MODELING Physical modeling ... Introduction to Modeling CHAPTER PREVIEW In this chapter, an overview of the process of modeling is presented Different approaches to modeling are identified first, and features of mathematical modeling...
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Modeling Tools for Environmental Engineers and Scientists Episode 3 pot
... establishing the goal of the modeling effort Modeling projects may be launched for various reasons, such as those pointed out in Chapter The scope of the modeling effort will be dictated by the ... system and the tools available for completing the modeling process It should also be noted that the same system might require different types of models depending on the goal(s) For example, consider ... overall appreciation of the efforts involved in modeling from start to finish For example, if the processes taking place in the system can be approximated as first-order processes, the resulting equations...
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Modeling Tools for Environmental Engineers and Scientists Episode 4 pps
... in this selection process 3.3.1.2 Single, Linear Equations Analytical methods of elementary algebra for solving single, linear equations for one unknown are rather straightforward and are not ... convenient computational method used for solving such a set of equations The algorithm first solves the first equation for x1, the second for x2, and the third for x3 b1 – a12 x – a13 x x1 = ᎏ ᎏ ... computational process starts with a guess value for x n Then, using f (x n) and f Ј(x n), a value for x nϩ1 is calculated If f (x nϩ1) is sufficiently small, the root is taken as x nϩ1; or, a new value for...
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Modeling Tools for Environmental Engineers and Scientists Episode 5 docx
... These processes are driven by gravitational, buoyancy, hydrodynamic, aerodynamic, or electrostatic forces The two processes can be combined and modeled as a net settling process A submodel for ... most modeling efforts build upon submodels of single chemicals, the following sections will deal with the equation: dC n ᎏᎏ = –kC dt (4.50) where n = for zero order, n = for first order, or n = for ... constant, kh (T –1) 4.7.6 BIOTRANSFORMATION Microbially mediated transformation processes are common in a wide range of engineered and natural systems These processes can include mineralization,...
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Modeling Tools for Environmental Engineers and Scientists Episode 6 ppt
... interpret in the above form, a plot of C vs t can provide more insight into the dynamics of the process An Excel® model of the process is presented in Figure 5.1 A complete model for a biological SBR ... theory and process/ reaction kinetics (reviewed in Chapter 4) can be applied to derive expressions for inflows, outflows, and transformations to complete the MB equation The mathematical form of ... examples illustrating the model development process for gasliquid systems are detailed—one featuring a physical process and another featuring a biochemical process 5.4.2.1 Packed Columns Packed columns...
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Modeling Tools for Environmental Engineers and Scientists Episode 7 pptx
... appropriate boundary and initial conditions for such a scenario can be specified as follows: BC: C(0, t) = Co for t > IC: C(x,0) = for x ≥ and ΅ ∂C ᎏᎏ = ∂x for x = ∞ Under the above conditions, ... Fundamentals of processes and reactions applicable to natural environmental systems and methods to quantify them have been summarized in Chapter Their application in developing modeling frameworks for soil ... one-dimensional unconfined aquifer has a uniform recharge of W (LT –1) Derive the governing equation for the groundwater flow in this aquifer (The governing equation for this case is known as the Dupuit...
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Modeling Tools for Environmental Engineers and Scientists Episode 8 pot
... programming effort Recognizing a need for model development tools for nonprogrammers, software developers have introduced a new breed of applications that nonprogrammers can quickly learn and use for developing ... includes a MathLook window, which reformats the line form of the equation entered into the Rule sheet, into a standard mathematical form for checking complex equations or for presentation purposes © ... spreadsheets are to numbers and word processors are to text 7.3.1 Mathcad® Mathcad® is designed to process equations numerically and symbolically, especially for performing engineering analysis In...
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Modeling Tools for Environmental Engineers and Scientists Episode 9 ppsx
... Computer implementation of the mathematical models for the above are presented The rationale for selecting appropriate software packages for modeling the different problems and their merits and ... and oxygen transfer Therefore, two sets of material balance (MB) equations have to be developed—one for the fill phase and one for the react phase, with MB equations for biomass, substrate, and ... initial values for the three stocks are set for each stock individually The Runge-Kutta fourth-order method is selected for the three stocks A user-friendly graphic user interface (GUI) for this model...
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Modeling Tools for Environmental Engineers and Scientists Episode 10 pptx
... the above concepts visually The composite stream function for this problem can be formulated by adding the stream functions for a uniform flow field representing the aquifer, a source representing ... coupled ODEs, analytically, in symbolic form A plot of concentration vs time for the two lakes is generated using the commands in line In[6] The Mathcad® model for the above scenario is shown in Figure ... custom-designed icons as shown in Figure 9.5 for part of the Great Lakes system Double clicking the drainage basin for Lake Superior reveals Constant Input icons for inputting © 2002 by CRC Press LLC...
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Modeling Tools for Environmental Engineers and Scientists Episode 11 potx
... Evaluation Modeling Example: Visualization of Groundwater Flow Modeling Example: Air Pollution—Puff Model Modeling Example: Air Pollution—Plume Model Modeling Example: Fugacity-Based Modeling Modeling ... INTRODUCTION TO MODELING 1.1 1.2 1.3 1.4 What is Modeling? Mathematical Modeling Environmental Modeling Objectives of This Book Appendix 1.1 Appendix 1.2 FUNDAMENTALS OF MATHEMATICAL MODELING 2.1 ... Introduction 8.2 Modeling Example: Transients in Sequencing Batch Reactors 8.3 Modeling Example: CMFRs in Series for Toxicity Management 8.4 Modeling Example: Municipal Wastewater Treatment 8.5 Modeling...
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process dynamics modeling and control topics in chemical engineering
... the process Observe that to make rational control decisions, it helps to know how process outputs respond to process inputs This is the key issue in Process Dynamics 1bis is also why Process Dynamics ... of Chemical Processes Formulating Process Models State-Space Models Transform-Domain Models Frequency-Response Models Impulse-Response Models Interrelationships between Process Model Forms The ... CONCEPTS OF PROCESS CONTROL A formal introduction to the role of process control in the chemical process industry is important for providing motivation and laying the foundation for the more...
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Inside words - Tools for teaching academic vocabulary grade 4-12
... strategies similar to those highlighted in Tools for Teaching Content Literacy It also joins the two formats: I blended the quick overview format from Tools with several classrooms examples, as ... them alphabetically so they could be easily found for teaching as well as for discussion in study groups or professional development These are tools for teachers, and the purpose of a tool is to ... 97 SURVIVAL OF THE FITTEST 101 THINK-PAIR-SHARE: COLLABORATE FOR UNDERSTANDING 105 VOCAB-O-GRAM 109 WORD SORT 115 Inside Words: Tools for Teaching Academic Vocabulary, Grades 4-12 by Janet Allen...
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Tools for management, workshop and consulting
... and tools for the project management cycle (planning) and the diagnosis phase of the problem solving cycle 38 2.2 Categories of tools Problem solving process steps: Categories of tools: Tools ... requires specific types of tools or techniques Therefore similar tools are grouped into the same category This category is assigned to the problem solving process step where its tools are usually required ... which tools I suggest for each activity A similar overview is provided in table format in Scenario: Good practice for project and problem definition (section 9.2) on page 366 2.2 Categories of tools...
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Free Software tools for embedded systems
... Jan 24, 2008 http://freeelectrons.com 34 Free Software tools for embedded systems GNU / Linux workstation Various tools Free Software tools for embedded systems © Copyright 20042008, Free Electrons ... kernels, toolchains, utilities, binaries for impressive lists of target platforms Integrated utilities for automatic kernel image, initrd and filesystem generation Development tools available on multiple platforms: GNU / Linux, ... Free Software tools for embedded systems © Copyright 20042008, Free Electrons Creative Commons AttributionShareAlike 2.5 license Jan 24, 2008 http://freeelectrons.com Free Software tools for embedded systems...
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Tài liệu Tools for Security Testing ppt
... the createlogfile option for any positive results Chkrootkit Chkrootkit is another tool for checking for the presence of rootkits It also contains some additional tools to check if interfaces ... common forms of password cracking are brute force and dictionary-based cracking Brute force cracking requires throwing computing resources at a password you wish to crack Usually a brute force ... will output the results of the NMAP scan in XML format This is very useful for populating monitoring tools like Nagios or to provide an input source for a script The second, -oG, outputs the scan...
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Tài liệu Guidelines for Engineering Design for Process Safety P2 pdf
... Chemistry of side reactions and by-products may also offer opportunities for increasing the inherent safety of a process For example, a process involving a caustic hydrolysis step uses ethylene dichloride ... solution in sulfuric acid) for sulfonation reactions If a chemical process requires the concentrated form of a material, it may be feasible to store it as a more dilute form and concentrate the ... generate only small quantities of methyl isocyanate as an in -process intermediate (Kletz 199Id) DuPont has developed a proprietary process for manufacture of carbamate insecticides which generates...
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Tài liệu Guidelines for Engineering Design for Process Safety P1 pptx
... Center for Chemical Process Safety TP155.5.G765 1993 66(T 2804—dc20 93-3154 CIP This book is available at a special discount when ordered in bulk quantities For information, contact the Center for ... Loss Containment for Different Process Equipment Table 4-2 Basic Considerations for All Fired Equipment Table 4-3 Process Vessels: Special Material Concerns Table 4-4 Checklist for Design and Operation ... 9-1 Ranking of Process Operability and Process Safety Table 9-2 Characterization of Process Sensitivity and Process Hazard Table 9-3 Comparison of Instrument Type Features Table 9-4 Process Control...
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