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Introduction to Experimental Methods

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Introduction to Experimental Methods succinctly explains fundamental engineering concepts in mechanics, dynamics, heat transfer, and fluid dynamics. From conceptualizing an engineering experiment to conducting a comprehensive lab, this book enables students to work through the entire experimental design process.

Offering a complete overview of instruction for engineering lab methodology, the book includes practical lab manuals for student use, directly complementing the instruction. Numerous worked examples and problems are presented along with several hands-on experiments in individual lab manuals. This book discusses how to write lab reports, how to configure a variety of instruments and equipment, and how to work through failures in experimentation.

Introduction to Experimental Methods is intended for senior undergraduate engineering students taking courses in Experimental Methods. Instructors will be able to utilize a Solutions Manual for their course.

Features:

• Provides an overview of experimental methods in mechanics, dynamics, heat transfer, and fluid dynamics

• Covers design of experiments, instruments, and statistics

• Discusses SolidWorks and PASCO Capstone software

• Includes numerous end-of-chapter problems and worked problems

• Features a Solutions Manual for instructor use

Author(s): Terry W. Armstrong
Publisher: CRC Press
Year: 2023

Language: English
Pages: 488
City: Boca Raton

Cover
Half Title
Title Page
Copyright Page
Table of Contents
Preface
Author
About the Cover
Chapter 1 Approach to Experimentation
Experiment or Test
Purpose
Hypothesis
Objective
Discovery versus Structure
Methodology
Good Laboratory Practices
Standard Operating Procedures
Common Procedural Failures
Exercises
Notes
Chapter 2 The Team
Team Dynamics
Leadership
Communication
Ethics
Data Manipulation
Plagiarism and Ghostwriting
Artificial Intelligence
Cautionary Examples
Exercises
Notes
Chapter 3 Deliverables
Written Plans
Written Reports
Organization of Content
Expected Results
Exercises
Note
Chapter 4 Design of Experiments
Terminology
Baseline Control
Overview of DOE
Experimental Designs
Design Space
Designing an Experiment
Exercises
Notes
Chapter 5 Sample Size
Rule of Thumb
Confidence Interval Plot
Hypothesis Testing
Exercises
Notes
Chapter 6 Managing Experimental Errors
Values
Variables
Error
Human Error
Strategies
Loading
Exercises
Notes
Chapter 7 System Modeling and First-Order Systems
Model Fidelity
System Order
Exercises
Note
Chapter 8 Discrete Vibrations and Second-Order Systems
Second-Order Systems
Mathematical Model
Response Plots
Exercises
Chapter 9 Continuous System Vibrations
Natural Frequencies
Shear and Moment Equations
Exercises
Note
Chapter 10 Waves
Wave Types
Boundary Conditions
Wave Equations
Exercises
Chapter 11 Stress and Strain
Bending
Shear and Moment Diagrams
Strain Gauges
Wheatstone Bridge
Exercises
Chapter 12 Photoelasticity
Polarization and Birefringence
Exercises
Notes
Chapter 13 Fractures
Failure Modes
Critical Fracture Stress
Exercises
Note
Chapter 14 Non-Destructive Inspection
Types of NDI
Ultrasound
Exercises
Notes
Chapter 15 Instruments and Sensors
Test Equipment
Sensors
Power Source
Thermocouples
Exercises
Notes
Chapter 16 Analyzing Data Sets
Distribution of Data
The Normal Distribution
Outliers and Chauvenet’s Criterion
Exercises
Notes
Chapter 17 Evaluating the Hypothesis
Quantifying the Hypothesis
Statistical versus Experimental Studies
Level of Significance
Hypothesis Testing Relative to a Single Value
Hypothesis Testing between Two Sample Data Sets
An Unsupported Hypothesis
Exercises
Notes
Chapter 18 Virtual Experiments
Monte-Carlo Simulations
Markov Chains
Exercises
Chapter 19 Unexpected Results
Real-Time Troubleshooting
Experiment Redesign
Publishing Failed Experiments
Exercises
Notes
Chapter 20 Reporting Numbers
Decimal Precision and Significant Figures
Uncertainty
Exercises
Note
Chapter 21 Active Writing
Plain Writing Act
Active versus Passive Writing
Revising a Passive Sentence
Other Writing Pitfalls
Inappropriate Report Phrasing
Exercises
Notes
Chapter 22 Presentations
Preparation and Practice
Online Presentations
Slide Preparation
Data Presentation
Exercises
LAB 0: Teams
LAB 1: Discrete System Vibrations
LAB 2: Continuous System Vibrations
LAB 3: Waves
LAB 4: Stress-Strain
LAB 5: Fractures
LAB 6: Non-Destructive Inspection
LAB 7: Monte-Carlo Simulation
LAB 8: Thermocouples
LAB 9: Thermal Loading Simulation
LAB 10: Thermal Loading
LAB 11: Fins
LAB 12: Heat Pipes
LAB 13: Pitot Tubes
LAB 14: Pressure
LAB 15: Aerodynamic Force
Appendix A: Recommended Lab Plan Template
Appendix B: Recommended Academic Team Performance Documentation Tables
Appendix C: Course Organizational Tools
Index