A thermoelastic stress analysis was done for the evaluation of an thermoelastic effect by using differential thermocameras equipped with array detectors that defies certain limitations of other thermocameras. In addition, the measurement of very small temperature changes does no longer require the use of highly sensitive infrared detectors and a lock-in amplifier. This method is based on a Fourier analysis. An error analysis showed that both absolute and percentage errors are acceptable for most applications. Overall, this method is found to be reliable.
Thermoelastic stress analysis by means of a standard thermocamera
ZANETTI, Elisabetta;
2007
Abstract
A thermoelastic stress analysis was done for the evaluation of an thermoelastic effect by using differential thermocameras equipped with array detectors that defies certain limitations of other thermocameras. In addition, the measurement of very small temperature changes does no longer require the use of highly sensitive infrared detectors and a lock-in amplifier. This method is based on a Fourier analysis. An error analysis showed that both absolute and percentage errors are acceptable for most applications. Overall, this method is found to be reliable.File in questo prodotto:
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