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US Overview 11 th Spacecraft Charging Technology Conference 11 Spacecraft Charging Technology Conference Hotel Albuquerque, Albuquerque, NM 2024 September , 2010 Dr. Dale C. Ferguson, CIV AFRL/RVBXR S V hi l Di t t Space V ehicles Directorate Air Force Research Laboratory

02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

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Page 1: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

US Overview11th Spacecraft Charging Technology Conference11 Spacecraft Charging Technology Conference

Hotel Albuquerque, Albuquerque, NM20‐24 September, 20104 p ,

Dr. Dale C. Ferguson, CIVAFRL/RVBXR

S  V hi l  Di t tSpace Vehicles DirectorateAir Force Research Laboratory

Page 2: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

New BattleSpace EnvironmentsNew BattleSpace Environments Lab, Kirtland AFB, NM

Page 3: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

US Universities Doing Spacecraft Charging Research and Testing University of Alabama  • University of Colorado

Huntsville Johns Hopkins MIT

y• Colorado State University• Utah State University

E b Riddl  A i l  Bethel University Pennsylvania State 

University

• Embry‐Riddle Aeronautical University

• University of New HampshireUniversity University of Michigan University of Texas at Dallas

U i i   f H

y p• University of Southern California• Virginia Polytechnic Institute and 

State University University of Houston Auburn University Stanford University

State University• Others

Cornell University

Page 4: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

US Companies Doing Spacecraft Ch i R h d T tiCharging Research and Testing

• Aerospace Corporation • Tethers Unlimited• SAIC• Emcore• Spectrolab

• Carbon‐Free Energy, LLC• Deployable Space Systems, 

I• Spectrolab• Entech Solar Inc.• OAI

Inc.• ElectroDynamicApplications

• Goembel Instruments• Space Systems/Loral• Northrop Grumman

pp• Radex, Inc.• Mori Associates• PSI  IncNorthrop Grumman

• Boeing• Lockheed‐MartinB ll A

• PSI, Inc.• Jacobs Engineering• Trek, Inc.

• Ball Aerospace • Others

Page 5: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

GOES 13 14 AND 15GOES 13, 14, AND 15

Page 6: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

GALAXY 15

Page 7: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

NASA STEREO SPACECRAFTNASA STEREO SPACECRAFT

Page 8: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

C/NOFSC/NOFS

Page 9: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

DMSP F19 and GPS IIF SV 1DMSP‐F19 and GPS IIF SV‐1  

Page 10: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

FPMU on ISSU o SS

Page 11: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

R id Ch i E t ISSRapid Charging Event on ISS

Page 12: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

MISSE‐7SS

Page 13: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

SCATHA (1978!)

Page 14: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Lunar Surface Chargingu a Su ace C a g g

Page 15: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Ni l B h Y i BNiels Bohr vs Yogi Berra

“Prediction is difficult especially the future ”

When asked what time it was, “You mean now?”difficult…especially the future. You mean now?

Page 16: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

AP9 AE9 R di i M d lAP9, AE9 Radiation Models

AP8 Min!  Did you think I had AP9 already?

Page 17: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

NASCAP 2k ImprovementsNASCAP‐2k Improvements

Page 18: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Materials Properties

Temperature Effects

Radiation Induced Conductivity

Page 19: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

S i l El E iSpecial Electron Emitters

Page 20: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Spacecraft ChargingSpacecraft Charging

Carolyn Purvis’ Spacecraft Charging Introduction Slide (circa 1983)

Page 21: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Satellite DesignsSatellite Designs

Page 22: 02 Ferguson US Overview - National Oceanic and · PDF file · 2010-10-20AP9, AE9 Rdi iRadiation MdlModels AP8 Min! Did you think I had AP9 already? NASCAP‐2k Improvements. Materials

Adios Pardners!Adios, Pardners!

Dave Cooke,         

Head SCTC 11O iOrganizer