"It's hard to say without seeing the building,the orientation, roof overhang and venting.One possibility ....the microclimate near the wall is warmed by the sun...the warm air is buoyed up by surrounding cold air....warm air enters the roof thru…"
"Hi Bud, I stumbled on an interesting comment recently that I had never seen before....
A different way of visualizing the "scale" of One Pascal
One Pascal (one Newton per square meter) is very similar to a dollar bill(or any other US bill)
"and here is another simple video .... showing similar results ...but different
there is a twist in this video....(the candle)
there is more going on here than just condensation and the atmosphere https://www.youtube.com/watch?v=xwKbpsOmHjE"
"Hi, Lucas "the Heretic" and "Airtight Sheathing Nut"
I am glad you joined HEP
Yes.... I do like Science Videos
Here is one from the not-so-nutty Professor.... that explains the Tanker Implosion
on a slightly smaller scale…"
I hesitate to answer your question because it looks like you were merely trying to post a link to your website. Just in case you were serious...The photo shows the Magdeburg Hemispheres
An Explanation of the "Apparatus" was posted below the…"
during heating season....
Isn't the 2"-3" of cellulose that you mention acting like a continuous cap that retards the cold air from spilling into the 3-d network of voids(and displacing the warm air)?
and isn't your example a "better" air…"