August 22:
It appears everything is working now, exept the dewar shell heater.
The “LN2” component of the “Air Heater” is working hard to
compensate (plot-3, brown line) , but the shell itself is about
0.5 deg [C] cooler than is should be (see plot-4, purple line).
Since July/11:
Glycol: Pg=2.0, I=0.5, F=-0.400+0.0470*(SetP-Tout)+"GTC" GTC = (glycol_supply-glycol_return-0.410)/2 - 0.021*MAX(0,Tout-17.0) Air: Pa=15.0, Da=10.0 DHT = +0.270 PMT = -0.105 LN2(bank) = 0.75 LN2(cap) = 0.65