This interior heat penetration is a very minor effect when dealing with solid surfaces which don't store heat well. (theinconvenientskeptic.com)
The course involves four days of lectures in thermal processing, practical heat penetration work, process calculations, tutorials and preparation for exams. (csiro.au)
And those of you who know about the ability of LW IR heat penetration into the oceans know that this independent variable does not make a differences. (wattsupwiththat.com)