Mechanical measurements Upplaga 6

Preface xv Part I Fundamentals of Mechanical Measurement 1 The Process of Measurement: An Overview 2 Standards and Dimensional Units of Measurement  3 Assessing and Presenting Experimental Data  4 The Analog Measurand: Time-Dependent Characteristics  5 The Response of Measuring Systems  6 Sensors  7 Signal Conditioning  8 Digital Techniques in Mechanical Measurements  9 Readout and Data Processing Part II Applied Mechanical Measurements 10 Measurement of Count, EPUT, Time Interval, and Frequency Measurement  of Count, Events per Unit Time, Time Interval, and Frequency  11 Displacement and Dimensional Measurement  12 Strain and Stress: Measurement and Analysis  13 Measurement of Force and Torque  14 Measurement of Pressure  15 Measurement of Fluid Flow  16 Temperature Measurements  17 Measurement of Motion  18 Acoustical Measurements Part III Appendices A Standards and Conversion Equations B Theoretical Basis for Fourier Analysis C Number Systems D Some Useful Data E Stress and Strain Relationships  E.1 The General Plane Stress Situation  E.2 Direction and Magnitudes of Principal Stresses  E.3 Variation in Shear Stress with Direction  E.4 Shear Stress on Principal Planes  E.5 General Stress Equations in Terms of Principal Stresses  E.6 Mohr’s Circle for Stress  E.7 Strain at a Point F Statistical Tests of Least Squares Fits Answers to Selected Problems