Category Archives: Engineering Physics

Radiation Dose Reconstruction: Principles and Practice

Radiation Dose Reconstruction: Principles and Practice

Executive Summary:

Radiation dose reconstruction is the retrospective assessment of dose to identifiable or representative individuals or populations by any means. In this Report, the scope of dose reconstruction includes estimates of absorbed dose to individual organs or tissues for specified exposure situations in support of epidemiological studies or compensation programs, to guide interventions in accidental or malevolent exposures, or for individual or public information. For the purpose of this Report, dose reconstruction excludes demonstration of compliance with regulatory criteria for workers or members of the public, and projections of dose from future or prospective exposures. There are many different applications of dose reconstruction as defined here, many potential approaches, and a great deal of scientific and public interest in the results.

This Report illustrates the breadth of the field, and emphasizes that all dose-reconstruction projects, while unique, incorporate a few basic elements, which are described and illustrated with many examples (case studies). Each case study is intended to demonstrate how specific limitations associated with the case study were overcome.


1. Introduction
2. Basic Elements of Dose Reconstruction
3. Methodologic Issues in Performing Dose Reconstructions
4. Radiation Dose Estimation
5. Assessment of Uncertainties in Dose Reconstruction
6. Dose Reconstruction for Medical Exposures
7. Dose Reconstruction for Occupational Exposures
8. Dose Reconstruction for Environmental Exposures
9. Dose Reconstruction for Accidents and Incidents
10. Conclusions

Available  at   : NCRP Publications

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Relevant Discontinuities: Magnetic Particle and Liquid Penetrant Testing

Relevant Discontinuities: Magnetic Particle and Liquid Penetrant Testing

These guides include overviews of each discontinuity with descriptions, locations in the test part, characteristics and metallurgical analysis. Also presented per method or technique is information about the appearance of test results, advantages and limitations of each, and procedural tips for successful tests and precautions. Books may be used as field references, onsight or supplements in classroom instruction. Features more than 30 inherent, processing and service discontinuities detectable by MT and/or PT with series of PT and MT indications with color photographs. It suitable as reference for students, technicians and professionals in NDT.

Available at :   ASNTShop

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Pressure Transient Testing

Pressure Transient Testing
John Lee, John B. Rollins & John P. Spivey

1.  Fundamentals of Fluid Flow in Porous Media
1.1.  Overview
1.2.  Derivation of the Diffusivity Equation
1.3.  Initial and Boundary Conditions
1.4.  Dimensionless Groups
1.5.  Solutions to the Diffusivity Equation
1.6.  Superposition in Space
1.7.  Superposition in Time
1.8.  Deconvolution
1.9.  Chapter Summary
1.10.  Discussion Questions

2. Introduction to Flow and Buildup-Test Analysis: Slightly Compressible Fluids
2.1 Overview
2.2 Analysis of Flow Tests
2.3 Analysis of Pressure-Buildup Tests
2.4 Complications in Actual Tests
2.5 Analysis of Late-Time Data in Flow and Buildup Tests
2.6 Analyzing Well Tests With Multiphase Flow
2.7 Chapter Summary

3. Introduction to Flow and Buildup-Test Analysis: Slightly Compressible Fluids
3.1 Overview
3.2 Pseudopressure and Pseudotime Analysis
3.3 Pressure and Pressure-Squared Analysis
3.4 Non-Darcy Flow
3.5 Analysis of Gas-Well Flow Tests
3.6 Analysis of Gas-Well Buildup Tests
3.7 Chapter Summary

4. Well-Test Analysis by Use of Type Curves
4.1 Overview
4.2 Development of Type Curves
4.3 Application of Type Curves—Homogeneous Reservoir Model, Slightly Compressible
Liquid Solution
4.4 Application of Type Curves—Homogeneous Reservoir Model, Compressible
4.5 Correcting Initial Pressure in a Well Test
4.6 Reservoir Identification With Type Curves
4.7 Systematic Analysis Procedures for Flow and Buildup Tests
4.8 Well-Test-Analysis Worksheets
4.9 Chapter Summary

5. Analysis of Pressure-Buildup Tests Distorted by Phase Redistribution
5.1 Overview
5.2 Description of Phase Redistribution
5.3 Phase-Redistribution Model
5.4 Analysis Procedure
5.5 Chapter Summary

6. Well-Test Interpretation in Hydraulically Fractured Wells
6.1 Overview
6.2 Flow Patterns in Hydraulically Fractured Wells
6.3 Flow Geometry and Depth of Investigation of a Vertically Fractured Well
6.4 Specialized Methods for Post-Fracture Well-Test Analysis
6.5 Post-Fracture Well-Test Analysis With Type Curves
6.6 Effects of Fracture and Formation Damage
6.7 Chapter Summary

7. Interpretation of Well-Test Data in Naturally Fractured Reservoirs
7.1 Overview
7.2 Naturally Fractured Reservoir Models
7.3 Pseudosteady-State Matrix Flow Model
7.4 Transient Matrix Flow Model
7.5 Chapter Summary

8. Drillstem Testing and Analysis
8.1 Overview
8.2 Conventional DST
8.3 Conventional DST Design
8.4 DST-Monitoring Procedures
8.5 DST Analysis Techniques
8.6 Closed-Chamber DST
8.7 Impulse Testing
8.8 Chapter Summary

9. Injection-Well Testing
9.1 Overview
9.2 Injectivity Testing in a Liquid-Filled Reservoir: Unit-Mobility-Ratio Reservoir Conditions
9.3 Falloff Testing in a Liquid-Filled Reservoir: Unit-Mobility-Ratio Reservoir Conditions
9.4 Estimating Average Drainage-Area Pressure
9.5 Composite-System-Test Analysis for Nonunit-Mobility-Ratio Reservoir Conditions
9.6 Step-Rate Testing
9.7 Chapter Summary

10. Interference and Pulse Testing
10.1 Overview
10.2 Interference Tests
10.3 Pulse Tests
10.4 Recommendations for Multiple-Well Testing
10.5 Chapter Summary

11. Design and Implementation of Well Tests
11.1 Overview
11.2 Types and Purposes of Well Tests
11.3 General Test-Design Considerations
11.4 Pressure Transient Test Design
11.5 Deliverability-Test Design
11.6 Chapter Summary

12. Horizontal Well Analysis
12.1 Overview
12.2 Steps in Evaluating Horizontal Well-Test Data
12.3 Horizontal Well Flow Regimes
12.4 Identifying Flow Regimes in Horizontal Wells
12.5 Summary of Analysis Procedures
12.6 Field Examples
12.7 Running Horizontal Well Tests
12.8 Estimating Horizontal Well Productivity
12.9 Comparison of Recent and Older Horizontal Well Models
12.10 Chapter Summary

Available at : SPE Bookstore

Robotic Explorations with an Introduction to Electrical and Computer Engineering

Robotic Explorations with an Introduction to Electrical and Computer Engineering


The goal in writing this book was to design an entry-level electrical and computer engineering (ECE) course that would give students an engaging, hands-on experience, while also providing a ‘big picture’ perspective of the discipline. Through its use of LEGO® NXT robots as instructional vehicles, the text ensures that students’ first exposure to ECE will be broad-scoped, educational, and fun, yet also challenging. The book provides students with a systems-level design experience at the beginning of their academic programs and introduces them to a broad range of ECE topics. Entry-level students receive the hands-on design experience they relish, which helps retain their attention during the early part of their engineering education.

The LabVIEW™ programming environment is introduced in a way that requires little or no prior programming experience yet also exposes students to professional-grade software tools. As successive chapters introduce the relatively sophisticated NXT controller, motors, and sensors, students learn not just how to use them but also how they work. Each new component allows an introduction to those areas of ECE related to the design and operation of that component. This deeper understanding also allows students to appreciate the abilities and limitations of each component. Additionally, students are able to develop a deeper and broader understanding of the field of electrical and computer engineering at an earlier stage in their studies.


1. Introduction

2. Programming
2.1. General programming concepts and constructs
2.2. Introduction to LabVIEW in terms of the NXT
2.3. Lab: Obstacle avoidance
2.4. Problems
2.5. ECE : Computer Engineering

3. Motors, Gears, and Motion
3.1. Background information
3.1.1. Torque
3.1.2. Power level control (PWM)
3.1.3. Rotational encoders
3.1.4. Simple LEGO gears
3.2. NXT toolbox and motors
3.3. Lab: Basic motor control
3.4. Problems
3.5. ECE Overview: Electrical Energy, Power, and Motors

4. Voltage, Current, and Energy
4.1. Working with current, charge, and voltage
4.2. Batteries and DC power sources
4.3. Simple circuits
4.4. Sensors as transducers
4.5. Lab: Distances and the Ultrasonic Sensor
4.6. Problems
4.7. ECE Overviews: Analog Electronics; Electromagnetics

5. Digital Signals and Data Representation
5.1. What are digital signals?
5.1.1. Working with finite precision (quantization) Binary representations
5.1.2. Overview of sampling
5.1.3. Scaling signals
5.2. Lab: Light sensor and line following.
5.3. Problems
5.4. ECE Overviews: Digital Signal Processing and Systems/Control

6. Wireless Communications and Networking
6.1. Bluetooth
6.1.1. Bluetooth standard as realized on the NXT
6.2. Connecting NXTs and Computers with Bluetooth in LabVIEW
6.3. Lab: Wireless communications – getting robots to work together
6.4. Problems
6.5. ECE Overview: Communications and Networking

7. More Advanced Programming
7.1. Debugging
7.2. Tree structures
7.2.1. Example application: solving a maze
7.3. Lab: The sound sensor and state machines
7.4. Problems
7.5. ECE Overview: Microelectronics and Nanotechnology

8. Further Explorations

Available  at   : NTS Press

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Manual for Railway Engineering

Manual for Railway Engineering

By AREMA (American Railway Engineering and Maintenance-of-Way Association

Vol 1 Track
Ch. 1 – Roadway & Ballast
Ch. 4 – Rail
Ch. 5 – Track
Ch. 30 – Ties

Vol 2 Infrastructure and Passenger
Commuter, Transit & High Speed Rail
Ch. 6 – Buildings & Support Facilities
Ch. 11 – Commuter and Intercity Rail Systems
Ch. 12 – Rail Transit
Ch. 14 – Yards and Terminals
Ch. 17 – High Speed Rail Systems
Ch. 18 – Light Density and Short Line Railways
Ch. 27 – Maintenance-of-Way Work Equipment
Ch. 33 – Electrical Energy Utilization

Vol 3 Structures
Ch. 7 – Timber Structures
Ch. 8 – Concrete Structures & Foundations
Ch. 9 – Seismic Design for Railway Structures
Ch. 15 – Steel Structures

Vol 4 Systems Management
Ch. 2 – Track Measuring Systems
Ch. 13 – Environmental
Ch. 16 – Economics of Railway Engineering and Operations
Ch. 28 – Clearances
AAR Scale Handbook

Available   at      : AREMA Publications

Ship Design and Construction

Ship Design and Construction,
Edited by Thomas Lamb (2003)

The new two-volume edition is a worthy successor to the highly respected previous editions, and covers all practical aspects of design and construction of ships of all types. The material is all new and up to date, with 55 chapters by authors of international repute. Newcomers and those familiar with the previous editions alike will be pleased with the breadth and depth of the content. This book is far more than a textbook for students: it is a professional reference without parallel for designers, builders, owners, and operators that is virtually a whole professional library in two volumes.

Avalable at   : SNAME Publications

Principles of Naval Architecture Series: The Geometry of Ships

Principles of Naval Architecture Series: The Geometry of Ships

by John Letcher Edited by J. Randolph Paulling (2009)

Principles of Naval Architecture Series: The Geometry of Ships by John Letcher Edited by J. Randolph Paulling (2009) Although there are still practitioners of the traditional art of manual fairing of ship lines, the geometry of most hull forms ranging from small yachts to the largest commercial and naval ships are now almost invariably developed using one of the commercially available hull modeling software packages. Such software normally includes, in addition to the hull modeling and display functions, routines for the computation of hydrostatics, stability and other hull properties. It may form a part of a comprehensive computer-based design and manufacturing system or it may be included in a shipboard computer-based operational system used for cargo load monitoring and damage control. The present volume presents first, the theoretical basis for these hull modeling systems and second, the procedures for computing hull geometric, buoyancy and other properties by mathematical methods utilizing such models. The emphasis is upon the nomenclature and fundamentals underlying several different methods of hull geometrical modeling with the intention of providing the understanding needed to use intelligently both existing and future tools. Some topics included in the volume are continuity and fairness of surfaces, B-spline and NURBS representation, ruled and developable surfaces, subdivision surfaces, and classic computational topics such as hydrostatic properties and initial stability. This is a subject area characterized by a continuing stream of innovation and new software products so the objective here is to present the basis needed to understand and keep abreast of new developments in the field.

Available at   :    SNAME Publications

Elements of Ocean Engineering

Elements of Ocean Engineering

by Dr. Robert E. Randall (2010)

Description :

Ocean Engineering is simply defined as the application of engineering principles to the ocean environment. Ocean engineering is a very challenging field addressing the use of this vast ocean frontier while striving to protect the same ocean environment and marine life. The book “Elements of Ocean Engineering” is intended for use as a first course for ocean engineering and naval architecture students and as an overview for practitioners in ocean engineering and related fields. The topics covered include ocean wave mechanics, offshore and coastal applications, floating systems, underwater systems, ocean engineering materials, instrumentation, underwater acoustics, dredging, laboratory modeling, environment and safety, and ocean engineering design. Robert Randall is Professor of Ocean Engineering in the Civil Engineering Department of Texas A&M University.

Available at   :   SNAME Publications

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Decision Making in Engineering Design

Decision Making in Engineering Design

Related to Decision Making in Engineering Design :
— Foundations and fundamentals of making decisions in product design;
— Clear examples of effective application of Decision-Based Design;
— State-of-the-art theory and practice in Decision-Based Design;
— Thoughtful insights on validation, uncertainty, preferences, distributed design, demand modeling, and other issues;
— End-of-chapter exercise problems to facilitate learning.


Front Matter Open Access
* Section 1
* 1. The Need for Design Theory Research Open Access
* 2. The Open Workshop on Decision-Based Design

Section 2: Decision Theory in Engineering Design
* 3. Utility Function Fundamentals
* 4. Normative Decision Analysis in Engineering Design
* 5. Fundamentals and Implications of Decision-Making
* 6. Preference Modeling in Engineering Design

Section 3: Concept Generation
* 7. Stimulating Creative Design Alternatives Using Customer Values
* 8. Generating Design Alternatives across Abstraction Levels

Section 4: Demand Modeling
* 9. Fundamentals of Economic Demand Modeling: Lessons from Travel Demand Analysis
* 10. Discrete Choice Demand Modeling for Decision-Based Design
* 11. The Role of Demand Modeling in Product Planning

Section 5: Views on Aggregating Preferences in Engineering Design
* 12. Multi-Attribute Utility Analysis of Conflicting Preferences
* 13. On the Legitimacy of Pairwise Comparisons
* 14. Multi-Attribute Decision-Making Using Hypothetical Equivalents and Inequivalents
* 15. Multiobjective Decision-Making Using Physical Programming

Section 6: Making Product Design Decisions in an Enterprise Context
* 16. Decision-Based Collaborative Optimization of Multidisciplinary Systems
* 17. A Designer’s View to Economics and Finance
* 18. Multilevel Optimization for Enterprise-Driven Decision-Based Product Design
* 19. A Decision-Based Perspective on the Vehicle Development Process
* 20. Product Development and Decision Production Systems

Section 7: Decision Making in Decentralized Design Environments
* 21. Game Theory in Decision-Making
* 22. Analysis of Negotiation Protocols for Distributed Design
* 23. The Dynamics of Decentralized Design Processes: The Issue of Convergence and Its Impact on Decision-Making
* 24. Value Aggregation for Collaborative Design Decision-Making

Section 8: Validation of Design Methods
* 25. The Validation Square: How Does One Verify and Validate a Design Method?
* 26. Model-Based Validation of Design Methods
* 27. Development and Use of Design Method Validation Criteria

Available at :   ASME Book Store

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