A Dutch engineering firm has begun using Lock-in Thermography.
This method uses infrared cameras to detect the efficiency of the material of dispersing heat. The firm employs a machine that bounces ultrasound waves off of turbine cooling parts.
Any defects in the material will absorb the waves and heat up, which will be indicated by infrared cameras. Researchers believe this method will greatly improve the quality of turbine cooling parts that are being tested
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Thermography helps optimize cooling channels in turbine blades
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