Have spent a pretty lazy Saturday ruminating on a bunch of topics, and this one has been foremost.
Taking CapriRacer's most recent post about small improvements adding up, they most certainly do.
Everyone would agree that a thermosyphon works, hot fluid being less dense rises, cools, falls...it's how high and low pressure systems work, low pressure at the equator etc.
Doing the numbers, an F1 tyre has a radius of about a foot, and at a 100MPH corner...That's a couple of thousand "G"s.
So any thermosyphon effect that would take heat from the hot tread to the magnesium rim in a static world is accentuated a few thousand fold (at 160km/hr...then punt it down the straight at double that).
I can see now that all else being equal, the inside rim could move heat away from the tread, as the hot gas next to the tread is heading to the rim 2000 times quicker then at ambient temperature/pressure.
Then has to be a gas with the right temperature/density/heat capacity. (Power Station generators are hydrogen filled, as they have lower windage, and great heat transfer)
Taking CapriRacer's most recent post about small improvements adding up, they most certainly do.
Everyone would agree that a thermosyphon works, hot fluid being less dense rises, cools, falls...it's how high and low pressure systems work, low pressure at the equator etc.
Doing the numbers, an F1 tyre has a radius of about a foot, and at a 100MPH corner...That's a couple of thousand "G"s.
So any thermosyphon effect that would take heat from the hot tread to the magnesium rim in a static world is accentuated a few thousand fold (at 160km/hr...then punt it down the straight at double that).
I can see now that all else being equal, the inside rim could move heat away from the tread, as the hot gas next to the tread is heading to the rim 2000 times quicker then at ambient temperature/pressure.
Then has to be a gas with the right temperature/density/heat capacity. (Power Station generators are hydrogen filled, as they have lower windage, and great heat transfer)
