-> Course (C) - presentation - pdf format



by Prof. X. Maldague, Université Laval, Canada
by Prof. V. Vavilov, Tomsk Polytechnic University, Russia

1. Introduction
2. Mechanisms of heat transfer
   • conduction, convection, radiation
3. Basics of InfraRed
   • Radiation laws (emissivity, absorptivity, reflectivity)
   • Radiometry and temperature measurement
   • Noise considerations
4. Solving thermal problems by mathematical modelling
   • Transient 1D analytical modelling
   • Numerical modelling for 1D, 2D, 3D geometry in solids materials
5. On thermal stimulation in the active approach
   • Pulse thermography
   • Step heating (long pulse)
   • Lockin thermography
   • Vibrothermography
6. Experimental techniques
   • IR Detectors
   • Experimental set-up
7. Deployment, data processing and applications
   • Data processing
   • Applications

by Prof. G. M. Carlomagno, Universita di Napoli Federico II, Italy

1. Basics of infrared thermography
2. The fundamental laws
3. Performance of an infrared scanning radiometer
4. Restoration of the thermal image
5. Heat flux sensors for convective heat transfer measurements
6. Operating modes
7. Detailed applications of the:
   • heated-thin-foil steady state technique
   • thin-film sensor unsteady technique
8. Other application examples, in brief
9. Conclusions

by Prof. E. Grinzato, CNR-ITC, Padova, Italy

1. Introduction
2. From the energy to the surface temperature
3. Thermal model of buildings in steady and transient regime
4. IR Thermography indoor and outdoor
5. Boundary conditions monitoring
6. Evaluation of thermal properties of building materials:
   • Thermal diffusivity
   • Thermal effusivity
   • Thermal conductivity
   • Heat Capacity
7. The energy saving problem
8. NDE of structure strengthening
9. Moisture detection on buildings
10. Envelope and Heating Ventilating Air-Conditioning (HVAC) plant performances
11. Case study: floor and ceiling radiant heating systems
12. Heritage Buildings:
    • Decay of the structure and finishing
    • Hidden structures location and identification (NDT)
    • Painted surfaces Non Destructive Evaluation (NDE)
13. Conclusions

by Prof. E. F. J. Ring, Dr P. Plassmann, Prof. K. Ammer, Dr R. Thomas; Medical Imaging Research Group, Faculty of Advanced Technology, University of Glamorgan, UK

1. Historical Introduction, F. Ring
2. Principles of thermal physiology, K. Ammer
3. Thermal physiology, K. Ammer
4. Standard protocols for thermography, F. Ring
5. Causes of human temp. increase & decrease, K. Ammer
6. Film, Hot and cold "Living Body", F. Ring
7. Provocation tests, F. Ring
8. IR Detectors and cameras, R. Thomas
9. Image processing principles, P. Plassmann
10. Quality assurance in thermography, P. Plassmann
11. Educational resources, K. Ammer
12. Future developments in thermography, F. Ring

by Prof. G. Busse, University Stuttgart, Germany

1. Introduction: Constant temperature fields
   • Thermography with no heating
   • Thermography with constant external heating
   • Thermography with constant internal heating:
     • Vibrothermography
     • Activation of internal heat sources by selective spectral heating
     • Resistive heating
2. Dynamic thermography: response of solids and sub-surface defects
   • Oscillating temperature fields (Thermal waves, Lockin-Thermography)
   • Transient thermography (Step function response)
   • Burst thermography (Principle and applications)
   • Pulse thermography (Principle and applications)
3. Methods of Lockin-Thermography and their application
   • Thermal waves and photothermal detection
   • Lockin-thermography = phase sensitive thermography = multiplex photothermal imaging
   • 3.1 Lockin thermography with optical excitation (OLT)
     • Coatings (paint, veneered wood, ceramics on metal...)
     • Laminates
     • Electronics
   • 3.2 Lockin thermography with sound or ultrasound excitation (ULT)
        (Heating with loss angle or friction: defect-selective NDE)
     • Cracks
     • Delamination
     • Impact
     • Corrosion
   • 3.3 Induction Lockin thermography (ILT)
     • Crack tips in metal
     • Impact damage in CFRP
     • Disbond in C-SiC-Ceramics
4. Conclusion
   • Advantages/Disadvantages as compared to other NDE-methods
   • Emerging developments