Infrared Thermographic Testing - Level I Topical Outline
Basic Thermal/Infrared Physics
1.0 The nature of heat - what is it and how is it measured/expressed
(Instrumentation, Scales and conversions)
2.0 Temperature - what is it and how is it measured/expressed?
(Instrumentation, Scales and conversions)
3.0 Heat Transfer Modes Familiarization
- 3.1 Heat conduction fundamentals
- 3.2 Heat convection fundamentals
- 3.3 Heat radiation fundamentals
4.0 Radiosity Concepts Familiarization
5.0 Basic Thermal/Infrared Operation Introduction
- 5.1 Thermography defined
- 5.2 How infrared imagers work
- 5.3 Differences among imagers and alternative equipment
- 5.4 Operation of infrared thermal imager
- 5.5 Operation of support equipment for infrared surveys
6.0 Checking Equipment Calibration with Black Body References
7.0 Infrared Image and Documentation Quality
- 7.1 Elements of a good infrared image (Clarity (focus), Dynamic range of the image, Recognizing and dealing with reflections, Recognizing and dealing with spurious convection)
- 7.2 Recording
8.0 Support Data Collection
- .1 Environmental data
- 8.2 Emissivity (Measurement, Estimation, Surface modification)
- 8.3 Surface reference temperatures
- 8.4 Identification and other
9.0 Basic Thermal/lnfrared Applications
- 9.1 Detecting Thermal Anomalies Resulting from Differences in Thermal Resistance (Quasi -Steady-State Heat Flow) ( Large surface-to-ambient temperature difference, Small surface-to-ambient temperature difference)
- 9.2 Detecting Thermal Anomalies Resulting from Differences in Thermal Capacitance, Using System or Environmental Heat Cycles
- 9.3 Detecting Thermal Anomalies Resulting from Differences in Physical State
- 9.4 Detecting Thermal Anomalies Resulting from Fluid Flow Problems
- 9.5 Detecting Thermal Anomalies Resulting from Friction
- 9.6 Detecting Thermal Anomalies Resulting from Non-homogeneous Exothermic or Endothermic Conditions
- 9.7 Field Quantification of Point Temperatures (Simple techniques for emissivity, Typical (high emissivity) applications, Special problem of low emissivity applications)