Pyramid of Giza shows Thermal Anomalies

[Enthalpy]

Hello you all!

 

Thermal images of pyramids, notably of Giza, show places of different inertia, suggesting something in the depth: stronger ariflow, other material, void...

http://edition.cnn.com/2015/11/10/africa/egypt-giza-pyramids-thermal-anomalies/

apparently they used the day-to-night contrast and variation speed.

 

My first suggestion would be (...if not already done!) to have a software reconstruct the matter profile as a function of the depth. To make simple, the quick reaction of a wall depends on shallow matter, the slower reaction on deeper matter. Software solves (to a limited extent) the "inverse problem", attributing more in detail matter to each depth sheath from the observation of the wall's response over time. Such software exists already for the corresponding diffusion equation; it's used at oil and gas reservoirs to estimate the reservoir volume and even gross shape from the variation over time of the pressure when the valve is opened at once.

 

My other suggestion is to produce artificial heat input functions over time, by means of a sunshade over the day or a thermal blanket during the night, or by more artificial means. Removing the sunshade or blanket at once provides a faster varying input that gives raw data about more shallow sheaths. Putting the shade or blanket for several days lets observe material's response deeper than the circadien heat input.

 

A step input function (Heavyside) is already more interesting than the sine-like daylight. The next improvement to gather more signal in limited time is to optimize the input function for the desired frequency spectrum. For instance frequency chirps have been used; pseudo-random sequences tend to be better. At periods slower than a day to increase depth, one would put the shade or blanket on some days and not on others, as determined by an adequate function determined for instance by a binary polynom - ask your local signal processing expert.

 

Stopping sunlight completely to use locally an artificial heat source would allow to cover finely the depth around 24h period too, which remains otherwise fuzzy.

 

To some extent, heating differently the varied locations of the interesting area permits a subtle software to distinguish between thick light material and thin dense one. This isn't common oilwell technology. It combines well with pseudo-random sequences.

 

Marc Schaefer, aka Enthalpy

[Endy0816]

Is exciting that this project has started back up. I'm not sure what all the Egyptian government would allow them to do though.