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Arkansas Space Grant Consortium 2013-4 NASA Research Infrastructure Development Team

Arkansas Space Grant Consortium 2013-4 NASA Research Infrastructure Development Team. Development of Critical Technologies for Formation and Proximity Flight with Nano -Satellites. Adam Huang, Principal Investigator University of Arkansas Mechanical Engineering Department

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Arkansas Space Grant Consortium 2013-4 NASA Research Infrastructure Development Team

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  1. Arkansas Space Grant Consortium 2013-4 NASA Research Infrastructure Development Team Development of Critical Technologies for Formation and Proximity Flight with Nano-Satellites Adam Huang, Principal Investigator University of Arkansas Mechanical Engineering Department 863 W. Dickson St., MEEG 105 Fayetteville, AR 72703 479-575-7485, phuang@uark.edu Ed Wilson, Co-Investigator Harding University Department of Chemistry Box 10849/915 East Market Street Searcy, AR 72149-0849 501-279-4513, wilson@harding.edu Yupo Chan, Co-Investigator University of Arkansas Department of Systems Engineering (EIT 544) 2801 South University Ave Little Rock, AR 72204-1099 501-569-8926, yxchan@ualr.edu 22nd ASGC Symposium Hot Springs, April 7, 2014

  2. What is a Nano-satellite? Aerospace PICOSAT1 ~300 grams AFRL XSS-10 ~29 kg MILSTAR ~4,500 kg 0.1kg 1kg 10kg 100kg Femto? Pico Nano Micro Satellite, Space Station SSTL GSTB-V2A 600 kg ISS ~180,000 kg (Nov 2005) SSTL SNAP-1 6.5 kg

  3. Project Objectives Micro-Propulsion System (MPS): UAF is tasked to develop a micro-propulsion system for nano-satellites that is non-toxic, non-flammable, and low- or non-pressurized at launch conditions. SAtelliteDetection And Ranging Systems (SADARS): Harding U. is tasked to designand implement a satellite detection system, using light emitting diodes (LEDs), that will be used to locate and uniquely identify each agent of a fleet of cooperative nano-satellites. UALR is tasked to design a vision-based system for the nano-satellite fleet for ranging and formation keeping.

  4. University Grade Nanosats-CubeSats Pumpkin™ Kits Stanford 6U (ARAPAIMA)

  5. Project Description LED Beacon LED Beacon thrusters LED Beacon Vision Scanning LED Beacon thrusters • Two cooperating nano-satellites in formation flight from 50m-1km range. • Reference CubeSat design based on NASA Marshall Space Flight Center’s 6U Bus.

  6. SPRITE Lab Proximity Ops CubeSat Demonstrator (TIP) 8 Nozzles 6U 3-axis DOF (Yaw, Side, Axial) NASA MSFC/UA 6U CubeSattestbed with 3-axis propulsion system

  7. SPRITE Lab Proximity Ops CubeSat Demonstrator (TIP)

  8. Atmospheric Pressure Cold-Gas Thruster Aqueous Propellant Vapor/Gas Solenoid Valve Vapor Membrane with Nanopores • The thruster pressure is driven by the surface tension at the nanopore membrane, which can be controlled by the electrolyte pressure and the heating of the membrane. • Propellant pressure at launch and storage is atmospheric (vapor pressure).

  9. Propellant Selected • Water/Propylene Glycol • non-toxic • PG disrupts hydrogen bonding in water • Theoretical Isp 85-108s • Why not just PG? • High boiling point (188°C), affects electronics • In-situ resource utilization

  10. Specific Impulse (Water-PG Ratio) Fraction PG

  11. SADAR Processing Unit • Intel Next Unit of Computing (NUC, D54250WYB) as the SADAR subsystem processor. • Need to remove fan and add thermal management devices for space applications. • Currently being repackaged as a BallonSat payload for flight test demonstration. http://www.logicsupply.com http://techreport.com

  12. Acknowledgments • Students: John Lee, Mustafa Bayraktar, MaurisaOrona, and Drew Couch. • Arkansas Space Grant Consortium 2012-13 NASA RID

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