Active Thermography Online Presentation

The purpose of the Active Thermography Online presentation is to introduce students to the basics of active thermography, describe the non-destructive material testing capabilities of the method, present the research and technological application possibilities, and draw attention to the real limitations and the required measurement (environmental) conditions. The presentation details the physical and metrological fundamentals, the knowledge of which greatly facilitates the professional creation and evaluation of thermal images.

Topics of the Online Presentation

• Physical Fundamentals - Theoretical Introduction - thermal radiation - electromagnetic wave - physical laws: ideal radiator model, PLANCK - emission, absorption, reflection, and transmission - heat conduction, heat capacity, heat propagation speed
• Physical Fundamentals of Active Thermography - the effect of the measurement setup on the results - the role of object characteristics in the examination - selection of measurement conditions and procedures - possibilities of heat energy input
• Task-Specific Thermal Camera Selection - measurement range (spectral range) - thermal and geometrical resolution - thermal image acquisition/recording speed
• Mathematical Procedures of Active Thermography - ratio formation method - pulse excitation method - Sinusoidal excitation analysis
• Typical Active Thermographic Inspections - thermographic inspection (aircraft) - in-process product inspection - non-destructive material testing on plastics - inspection of solar panels

Content of the Video Camera Demonstration

• Model Experiments, Procedure Demonstrations
• Practical Thermal Camera Measurements - non-destructive material testing on plastics
• Thermal Image Evaluation on Computer - practical consideration of theory - application of specialized active thermography software - documentation/report preparation

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