tailieunhanh - Lecture Basics of mechanical engineering: Integrating science, technology and common sense

Lecture "Basics of mechanical engineering" has contents: What is mechanical engineering, engineering scrutiny, forces in structures; stresses, strains and material properties, fluid mechanics; written and oral communication, thermal and energy systems,.and other contents. | BASICS OF MECHANICAL ENGINEERING: INTEGRATING SCIENCE, TECHNOLOGY AND COMMON SENSE Paul D. Ronney Department of Aerospace and Mechanical Engineering University of Southern California Available on-line at Copyright © 2005 - 2016 by Paul D. Ronney. All rights reserved. Table of contents TABLE OF CONTENTS II FOREWORD IV NOMENCLATURE VII CHAPTER 1. WHAT IS MECHANICAL ENGINEERING? 1 CHAPTER 2. UNITS 4 CHAPTER 3. “ENGINEERING SCRUTINY” Scrutinizing analytical formulas and results Scrutinizing computer solutions Examples of the use of units and scrutiny 10 10 12 13 CHAPTER 4. FORCES IN STRUCTURES Forces Moments of forces Types of forces and moments of force Analysis of statics problems 19 19 20 22 25 CHAPTER 5. STRESSES, STRAINS AND MATERIAL PROPERTIES Stresses and strains Pressure vessels Bending of beams Buckling of columns 34 34 44 46 53 CHAPTER 6. FLUID MECHANICS Fluid statics Equations of fluid motion 54 54 56 56 57 59 59 59 60 61 62 63 63 63 67 70 Bernoulli’s equation Conservation of mass Viscous effects Definition of viscosity No-slip boundary condition Reynolds number Navier-Stokes equations Laminar and turbulent flow Lift, drag and fluid resistance Lift and drag coefficients Flow around spheres and cylinders Flow through pipes Compressible flow CHAPTER 7. THERMAL AND ENERGY SYSTEMS Conservation of energy – First Law of Thermodynamics ii 74 74 Statement of the First Law Describing a thermodynamic system Conservation of energy for a control mass or control volume Processes Examples of energy analysis using the 1st Law Second Law of thermodynamics Engines cycles and efficiency Heat transfer 74 77 77 79 79 83 84 88 89 90 91 Conduction Convection Radiation CHAPTER 8. WRITTEN AND ORAL COMMUNICATION 92 APPENDIX A. SUGGESTED COURSE SYLLABUS 98 APPENDIX B. DESIGN PROJECTS Generic information about the design projects 107 107 107 107 110 112 116 120 .