Don Foreman wrote:
(...)

Probably not. Ya gotta include thermodynamics because temperature is
not constant when there is expansion and pressure is affected by
temperature.

When the term "entropy" appears, my eyes glaze and I quietly
retreat.

(G)

So the force to the edge of the TT rotor is going to be some fraction
of (the mass of the air times the difference in the airs velocity from
the tank to the volute of the TT)? Hmmm.

--Winston