Transcript Figure 8. Caption
Figure 8.1
A simple strain gage.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.2
Foil strain gage.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.3
Orientation of strain gages in common rosettes: (a) rectangular; (b) equiangular.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.4
Strain-gage rosette.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.5
Constant-voltage Wheatstone bridge.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.6
Typical temperature effects on strain gage.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.7
Multiple strain gages: switching within bridge.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.8
Multiple strain gages: switching outside of bridge.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.9
Linear potentiometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.10
Angular potentiometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.11
Schematic LVDT.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.12
LVDT sensor output.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.13
LVDT cross section.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.14
1976.] Rotary variable differential transformer: (a) schematic; (b) simplified construction. [(b) Based on Herceg,
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.15
from center.
Output voltage versus time for LVDT: (a) core displaced upward from center; (b) core displaced down
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.16
LVDT system block diagram.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.17
Linear portion of conditioned output of LVDT system.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.18
Capacitive displacement transducer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.19
Wheatstone bridge for capacitance measurement.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.20
Angular digital encoder: (a) binary shaft encoder; (b) side view. (Based on Turner, 1988.)
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.21
Linear velocity transducer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.22
Two-winding linear velocity transducer (LVT). (Based on Herceg, 1976.).
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.23
Doppler velocity measurement.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.24
Magnetic pickup for angular velocity measurement.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.25
Pulsed output of magnetic-pickup transducer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.26
Stroboscopic tachometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.27
Photoelectric tachometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.28
Piezoelectric sensors: (a) longitudinal effect; (b) transverse effect.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.29
Charge amplifier for piezoelectric sensor.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.30
Schematic piezoelectric accelerometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.31
Strain-gage accelerometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.32
Servo accelerometer. (Based on Lucas Schaevitz literature.)
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.33
Vibrometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.34
Common types of load cells: (a) cantilever beam; (b) hollow cylinder.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.35
Proving ring for force measurement.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.36
Electric-motoring dynamometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.37
Eddy-current dynamometer.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.38
Shaft torque meter.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure 8.39
Shaft torque meter with electric output signal.
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.
Figure P8.14
Introduction to Engineering Experimentation
, Third Edition Anthony J. Wheeler • Ahmad R. Ganji Copyright ©2011 by Pearson Education, Inc.
Upper Saddle River, New Jersey 07458 All rights reserved.