In the damage depth decision manner and that device of the structure and the damage depth decision manner of the structure which decides

摘要

Ratio with the temperature difference of the highest temperature and lowest temperature in the midst of temperature distribution of the surface of the region where first the damage is included and temperature gradient in the midst of that temperature distribution and damage depth, correlation is sought. Temperature distribution of the surface of the region where the inside damage of the structure is included next is measured. Temperature distribution of the structure surface was required, if is, you pay attention to the temperature distribution between 2 points which include the damage section, from among those seek the temperature difference of the highest temperature and lowest temperature, furthermore you seek the temperature gradient of the section which shows the temperature fluctuation above specified. And it calculates the ratio of temperature difference and the temperature gradient which were requested, it decides the damage which corresponds to that ratio making use of the correlation which deeply first is sought. Damage depth can be presumed with the processing above.