Abstract : The thermomechanical behavior of a stainless steel undergoing thermal shocks is investigated with an infrared (IR) camera. The temperature and kinematic fields are determined simultaneously exploiting only IR frames. The thermal loading is imposed with a laser, which gives rise to very high local digital level variations. This effect is addressed thanks to a regularized infrared image correlation (R-IRIC) technique, which accounts for brightness and contrast variations. The resulting digital level residuals are reduced from 54% down to less than 1% of the dynamic range.
https://hal-cea.archives-ouvertes.fr/hal-02445730
Contributor : Amplexor Amplexor <>
Submitted on : Monday, January 20, 2020 - 1:34:55 PM Last modification on : Thursday, December 10, 2020 - 10:59:08 AM