Sa08 Prop Depot Panel Frank Zegler

Cryogenic Propellant Depots for the Real World March 27 2008 United Launch Alliance

Depots Amplify Performance ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Payload Increase, mT Propellant Transfer Mass(mT) Pictures Credit: NASA 123126 EDS LSAM CEV

Historic Propellant Depot Paradigm NASA 9902019 ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Historic Architectures are an Insurmountable Barrier

Simple Cryo Depot Concept ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Liquid Gas Gas Solar Array Sun Shield Hot Equip Deck Dock Port Hot Side Cold Side Rotational Settling SUN ,[object Object],[object Object],[object Object]

Two Obvious Options ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Upper Stage Based Depot 1 or 2 additional burns for phasing ,[object Object],[object Object],[object Object],ACES BASELINE 200 nm circ orbit 1 or 2 additional burns for phasing 1 200k 1 2 2 4 4 6 6 200k 1 1 Number of RL10 engines

Upper Stage Based Depot Integrated 6 DOF LO2/LH2 Attitude Control Solar Power System Baseline ACES Upper Stage, 41t Propellant Load at Launch Deployable Multiple-Petal Open-Cavity Sunshield (2 petals removed for clarity) EDS docking interface Long Duration Avionics with Rendezvous, Docking, Propellant Mgt functions Vapor Cooled Depot Systems Interface LO2 Tank ,[object Object],[object Object],LH2 Tank

Dedicated Depot Depot shown uses Identical sunshade to ACES upper stage version ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Extended Upper Tank (LO2 or LH2) Truncated Lower Tank (GO2 or GH2)

Depot Location ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Depot Technologies are In Hand ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

ULA Technology Development ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Ullage Liquid

Cryo Transfer Extensibility ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],This Technology is Essential

Summary ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

Sa08 Prop Depot Panel Frank Zegler

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Sa08 Prop Depot Panel Frank Zegler