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Propellant Depots in Space to Enable Human Exploration.ppt

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Propellant Depots in Space to Enable Human Exploration.ppt Powered By Docstoc
					                 Propellant Depot
                      Bernard Kutter
                  United Launch Alliance




AIAA_JPC080309                             Copyright © 2009 United Launch Alliance, LLC. All Rights Reserved.
                                                                              Propellant Depots
                                                                             Enable New Missions
                        30




                                                             Lunar Surface




                                                                                                 Solar Probe + Pluto NH
                        25
    Mass Payload (mT)




                                                                                                                                              Prop
                        20
                                                                                                                                            Transfer
                                   Trans Mars or GSO




                        15
                                                                             Dual-Launch
                                                                              with Depot
                        10


                        5
                                                             Atlas 551
                        0
                             0                    25   50      75     100     125          150                            175
                                                        Earth Escape Energy (C3)



                             Large Missions Enabled without
                              Developing Brand New Rocket
                                                                                                                                Atlas 552              Delta IV
                                                                                                                                                        Heavy

AIAA_JPC080309               | 1
                                                        Depots Can Enhance
                                                       CxP Ares V Architecture
                             25

                             20
  With Cryo Transfer (mT)
  Lunar Payload Increase




                             15

                             10

                              5
                                                                                 Prop
                              0                                                  Xfer
                                   0      20          40         60         80
                            EDS Propellant Mass Beyond ESAS Baseline (mT)




                             Propellant Depots Provide
                              Exploration Flexibility to
                            Accommodate Performance
                                       Needs
                                                                                        EDS/Altair   Orion

AIAA_JPC080309               | 2
                                        Depots Enable
                                   Alternate Architectures

                                                                                        Lunar Orbit
                                                                                        Rendezvous




                                123126                  Propellant Depot
                                                      80% of Launch Mass



                                         Propellant                        Propellant
                                          Transfer                          Transfer

                                                                                           Atlas V 402




                       Altair               Atlas V     Delta IV Scorpius Falcon 9
                                                      110t Competitive
                                                                                        Commercial
                                                      Propellant Launch                   Orion
AIAA_JPC080309   | 3
                                                   Propellant Depots Can
                                                Revolutionize Launch Market
          Exploration Represents Vast New Launch Market
          Depots Stimulate Competitive Launch Market
          Supports Robust Healthy US Launch Industry
                                              700



                                              600


                                                                            CxP Hardware
                       LEO Launch Mass (mT)




                                              500



                                              400



                                              300


                                                                                 CxP Propellant
                                              200



                                              100
                                                        Historic Non-Shuttle/Exploration Launch Market


                                                0
                                                    1              2             3             4
                                                             Annual Lunar Missions
AIAA_JPC080309   | 4
                                Upper Stage
                         Experience Enables Depots
         Depots Derived from Existing Upper Stages Support Near-Term
          Application




         Centaur-Derived
        “Disposable” Depot




     Historic Space Station
        Depot Paradigm                     Single Fluid Depot

AIAA_JPC080309   | 5
                                                                           Depot Technologies are Mature
                                                                 Upper Stage Cryo-Fluid Management Directly Applicable
                                                                  to Propellant Depots
                                                                                   Cryo Transfer Technology               TRL
                                                                                                                    0-G         Settled
                                                                                         Pressure Control            4            9
                                                                                   Ullage & Liquid Stratification    3            9
                                                                                      Propellant Acquisition         3            9
                                                                                          Mass Gauging               3            9
                                                              ULA
                                                                                  Propellant Expulsion Efficiency    3            8
                                          1,000,000

                                                                                        System Chilldown             8            8
  Cryo-Upper Stage Operating Time (sec)
Operating Time (ksec)




                                          800
                                           800,000
 Cryo-Upper Stage




                                          600
                                           600,000
                                                                                              AR&D                   7            7
                                          400
                                           400,000
                                                                                   Transfer System Operation         3            6
                                          200
                                           200,000
                                                                                          Fluid Coupling             6            6
                                               00                                 Passive Long Duration Storage      5            5
                                                      Centaur Delta
                                                        Centaur Delta
                                                                        Ariane
                                                                         Ariane



           AIAA_JPC080309                               | 6
                                          Summary

         Propellant Depots Create Vast New Launch Market
             – Stimulate Commercial Space Flight Capability
             – Increased Launch Demand Supports Healthy Robust
               Launch Industry
         Joint Utilization of Flight-Proven Systems by NASA,
          DoD & Commercial Provides a Safe, Affordable &
          Sustainable Approach to Exploration
             – Leverages Existing Investments & Reduces Annual
               Standalone Lien
         Atlas V & Delta IV Provide Proven Foundation for
          Reliable, Affordable & Sustainable Launch
             – Reduced Launch Vehicle Investment Allows
               Enhanced Investment in Innovation
         ULA is Prepared to Support the NASA & the Nation

AIAA_JPC080309   | 7

				
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