Instrumentation Systems - 2nd Edition - ISBN: 9781483197289, 9781483222318

Instrumentation Systems

2nd Edition

Flight Testing

Editors: Enoch J. Durbin
eBook ISBN: 9781483222318
Imprint: Pergamon
Published Date: 1st January 1959
Page Count: 520
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Description

Flight Testing, Volume IV: Instrumentation Systems serves as a guide to flight test instrumentation systems for establishing flight test programs.

This book provides aircraft flight testers with the information required to appreciate the capabilities and limitations of the instrumentation techniques, indicating some of the many alternatives possible in flight instrumentation. It considers the systems concept in planning flight test instrumentation and functional organization of the component parts of an instrumentation system, followed by a discussion of the components of a flight data acquisition and reduction system that are organized into functional categories. Within these categories, a comparison is made between the various data collection systems and data reducing systems. The similarities, advantages, and limitations of each type of system component and significance of the fundamental properties of each device are also noted in this volume.

This compilation is written primarily for persons not well-trained in electronics with special emphasis toward promoting the systems point of view in considering the problems of measurement in flight.

Table of Contents


Preface

Acknowledgements

Foreword

Part I Introduction

IA The Systems Concept in Planning Flight Test Instrumentation

IA:1 Introduction

IA:2 Systems Planning

IB The Functional Organization of the Component Parts of an Instrumentation System

IB:1 Introduction

IB:2 Functional Categories

IB:3 Typical Systems

Part II Data Collection

IIA Sensing and Transducing Techniques

IIA1 Characteristics of Measuring Instruments

IIA1:1 Summary

IIA1:2 The Operation of Measurement

IIA2 Dynamic Response of Instrument Systems

IIA2:1 Introduction

IIA2:2 The Response of a Linear System to a Sinusoidal Input

I1A2:3 The Response of a Linear System to an Arbitrary Input

IIA2:4 Choice of Instrument Dynamic Response for a Particular Measurement

IIA2:5 Nonlinear Effects in Measuring Systems

IIA2:6 Methods of Proving Damping Proportional to Velocity

IIA2:7 Methods for Determining Dynamic Response

References

IIA3 Displacement Measurement as the Basis of Transducing Techniques

IIA3:1 Introduction

IIA3:2 Mechanical and Optical Methods of Deflection Transmission

IIA3:3 Electrical Transducers

IIA3:4 Electrical Axes without Amplifiers

IIA3:5 Servo Systems

References

IIA4 Temperature Sensing Techniques

IIA4:1 Introduction

IIA4:2 Temperature Sensing Devices Used in Flight Testing

IIA4:3 Thermometer Applications in Flight Testing

IIA4:4 Dynamic Response of Thermometers

IIA4:5 Calibration Methods

References

IIA5 Pressure Sensing Techniques

IIA5:1 Introduction

IIA5:2 Pressure Measuring Devices

IIA5:3 The Measurement of Static and Total Pressures

IIA5:4 System Response to Changing Pressures

IIA5:5 Calibration Methods

References

IIA6 Acceleration and Vibration Sensing Techniques

IIA6:1 Relative and Absolute Vibration Measuring Instruments

IIA6:2 Absolute Vibration Instruments for Use in Structural Research

IIA6:3 Instruments for Measuring Accelerations in Aeronautical Measurement

IIA6:4 Statistical Accelerometers for Fatigue Research

IIA6:5 Angular Accelerometers

IIA6:6 Calibration Methods

References

IIA7 Force and Strain Sensing Techniques

IIA7:1 Introduction

IIA7:2 Comparison of Inductive, Capacitive, and Resistive Gaging

IIA7:3 The Bonded Wire Resistance Strain Gage

IIA7.4 Unbonded Strain Gages

References

IIA8 Attitude Sensing Techniques

IIA8:1 Introduction

IIA8:2 Measurement of Angular Position Relative to the Earth

References

IIA9 Fluid Flow Sensing Techniques

IIA9:1 Introduction

IIA9:2 Bernoulli Equation

IIA9:3 Direct Velocity Measurement

IIA9:4 Direct Mass Flow Measurements

IIA9:5 Summary

References

IIA10 Atmospheric Water Vapor and Icing Sensing Techniques

IIA10: 1 Introduction

IIA10:2 Definitions and Units

IIA10:3 Measuring Techniques

IIA10:4 Calibration Techniques

References

IIA11 Airflow Direction and Character Sensing Techniques

IIA11:1 Airflow Direction Sensing

IIA11:2 Assessment of Flow Quality

References

IIA12 Tachometry

IIA13 The Techniques for Sensing Combustible Gases and Vapors

IIA13:1 Introduction

IIA13:2 Limits of Inflammability of Combustible Gases in Air

IIA13:3 Experimental Determination of Inflammability Limits

IIA13:4 Correlation of Inflammability Limits

IIA13:5 Methods of Sensing and Transducing Inflammable Gases

IIA13:6 Catalytic Combustion

IIA13:7 The Nature of the Catalytic Effect

IIA13:8 Catalyst Poisoning

IIA13:9 Systems Utilizing the Change in Resistance of a Heated Filament

IIA13:10 Temperature Compensation

IIA13:11 Pressure Compensation

IIA13:12 Other Systems Employing a Catalytic Filament

IIA13:13 Conclusions

References

IIA14 Techniques for Making Instrumentation Equipment and Installation in Airplanes Safe in the Presence of Combustible Atmospheres

IIA14:1 Introduction

IIA14:2 Categories of Equipment That Must be Used in Potentially Hazardous Areas

IIA14:3 Explosive Environments

IIA14:4 Tests for Ascertaining the Safety of Equipment

IIA14:5 Techniques for Making Equipment Safe in Hazardous Areas

IIA14:6 Conclusion

References

IIA15 Thrust Sensing and Transducing Techniques

IIA15:1 Introduction

IIA15:2 Determination of Effective Thrust

IIA15:3 Thrust Calculation

IIA15:4 Measuring Thrust of an Engine Pod

IIA15:5 Visual Cockpit Thrust Indicators

IIA15:6 Optimum Cruise Control

IIA15:7 Accuracy of Measurement

IIA15:8 Summary

References

Appendix

IIB Signal Modifiers

IIB:1 Introduction

IIB:2 Conversion of the Output of a Transducer into a Voltage or Current

IIB:3 Prerecording Computation

IIB:4 Amplification

IIB:5 Amplifier Power Supplies

IIB:6 Multichannel Instruments

IIB:7 Electrical Filters and Equalizing Networks

IIB:8 Electrical Integration and Differentiation

IIB:9 General Characteristics and Performance

Requirements

References

IIC Radio Link Systems

IIC1 Telemetry

IIC1:1 Introduction

IIC1:2 Flight Test Applications of Radio Telemetering

IIC1:3 General Analyses of Telemetering Systems

IIC1:4 Typical Applications

IIC1:5 Typical Operational Problems

IIC1:6 Evaluation

References

IIC2 French Telemetering Systems

IIC2:1 Introduction

IIC2:2 The ONERA Telemeter

IIC2:3 The SFENA Telemeter

IIC2:4 The TURCK Telemeter

IIC2:5 The DEFA-APX Telemeter

IIC2:6 ONERA Telemeter with Large Band Width

IIC2:7 SEXTA Remote Control Apparatus

Appendix

IID Recorders

IID:1 Graphic Methods

IID:2 Photographic Methods

IID:3 Electric Methods

IID:4 Methods of Semirecorders

IIE Ground Tracking Systems for Determining Position and Velocity

IIE:1 Introduction

IIE:2 Direct Timing Methods

IIE:3 Photographic Methods

IIE:4 Radio Methods

References

Part III Data Reduction Systems

IIIA Introduction to Data Reduction Systems

IIIA:1 Introduction and Fundamental Precepts

IIIA:2 Processing Equipment

IIIA:3 Computers

IIIA:4 Special Techniques and Problems

References

IIIB The Role of the Digital Computer in Aeronautical Research and Development

IIIB:1 The Stored-Program Digital Computer

IIIB:2 Order Modification

IIIB:3 What Computers Can Do, and When They Should be Used

IIIB:4 Typical Applications

IIIB:5 How a Computer Solves a Problem

IIIB:6 A Data-Reduction Example

IIIB:7 One or Many

IIIB:8 Communication Difficulties

IIIB:9 Logical Computing Systems

IIIB:10 Characteristics of Commercially Available Machines

IIIB:11 Personnel Requirements

IIIB:12 Conclusions

References

Part IV Data Analysis

IVA Systematic Errors

IVA:1 Introduction

IVA:2 Static Errors

IVA:3 Dynamic Errors

IVC Power Spectral Methods of Analysis and their Application to Problems in Airplane Dynamics

IVC:1 Introduction

IVC:2 Response Determination for Arbitrary Disturbances

IVC:3 Random Processes

IVC:4 The Measurement of Power Spectra

IVC:5 Applications

References

Appendices

Details

No. of pages:
520
Language:
English
Copyright:
© Pergamon 1959
Published:
Imprint:
Pergamon
eBook ISBN:
9781483222318

About the Editor

Enoch J. Durbin