[AR] Re: LOX and LH2 Boil off rates at fill and refill
- From: Ben Brockert <wikkit@xxxxxxxxx>
- To: "arocket@xxxxxxxxxxxxx" <arocket@xxxxxxxxxxxxx>
- Date: Sat, 10 Sep 2016 21:10:53 -0400
On Sat, Sep 10, 2016 at 8:13 PM, Brian Feeney <alaiadesign@xxxxxxxxx> wrote:
I thought LOX supply was tyically at about 25 psi in the Dewar?
Depends on the dewar. The higher the pressure the warmer the LOX is
and the longer it lasts in the dewar. One large enough to fill a 10k
liter tank would probably be lower pressure than what I said, but a
250 liter dewar can be 250 psi. Depending on the setup may not even be
a dewar, as ground LOX tanks get bigger they switch from vacuum to
perlite insulation.
Ben
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