https://ntrs.nasa.gov/search.jsp?R=20090013211 2019-08-30T06:27:23+00:00Z NASA/TM-2009-215700 Design of a Mars Airplane Propulsion System for the Aerial Regional-Scale Environmental Survey (ARES) Mission Concept Christopher A. Kuhl Langley Research Center, Hampton, Virginia March 2009 NASA STI Program . in Profile Since its founding, NASA has been dedicated to • CONFERENCE PUBLICATION. Collected the advancement of aeronautics and space science. papers from scientific and technical The NASA scientific and technical information (STI) conferences, symposia, seminars, or other program plays a key part in helping NASA maintain meetings sponsored or co-sponsored by NASA. this important role. • SPECIAL PUBLICATION. Scientific, The NASA STI program operates under the technical, or historical information from NASA auspices of the Agency Chief Information Officer. 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Does not contain extensive • Write to: analysis. NASA STI Help Desk NASA Center for AeroSpace Information • CONTRACTOR REPORT. Scientific and 7115 Standard Drive technical findings by NASA-sponsored Hanover, MD 21076-1320 contractors and grantees. NASA/TM-2009-215700 Design of a Mars Airplane Propulsion System for the Aerial Regional-Scale Environmental Survey (ARES) Mission Concept Christopher A. Kuhl Langley Research Center, Hampton, Virginia National Aeronautics and Space Administration Langley Research Center Hampton, Virginia 23681-2199 March 2009 Trade names and trademarks are used in this report for identification only. Their usage does not constitute an official endorsement, either expressed or implied, by the National Aeronautics and Space Administration. Available from: NASA Center for AeroSpace Information 7115 Standard Drive Hanover, MD 21076-1320 443-757-5802 TABLE OF CONTENTS 1.0 Introduction .................................................................................................................................................3 2.0 Mission Description.....................................................................................................................................3 2.1 Concept of Operations ..............................................................................................................................3 2.2 Target Region............................................................................................................................................4 2.3 Atmospheric Flight System (Airplane) .....................................................................................................5 3.0 Propulsion Subsystem Trade Studies ........................................................................................................6 3.1 Propeller Development .............................................................................................................................6 3.2 Electrical Propulsion Systems...................................................................................................................6 3.3 Combustion Engine Systems.....................................................................................................................7 3.4 Rocket Systems.........................................................................................................................................7 3.5 Airplane Propulsion Subystem Selection..................................................................................................8 4.0 Bipropellant Rocket Subsystem Design.....................................................................................................9 4.1 System Schematic and Layout ..................................................................................................................9 4.2 High Pressure Helium Storage Tank.......................................................................................................12 4.3 Propellant Tanks .....................................................................................................................................12 4.3.1 Tank Design........................................................................................................................................12 4.3.2 Propellant Management Device (PMD) Design .................................................................................13 4.4 Bipropellant Thrusters.............................................................................................................................15 4.4.1 22N Satellite Reaction Control Thruster Options...............................................................................15 4.4.2 AMPAC-ISP 22-N Columbium Thruster ...........................................................................................16 4.4.3 Thruster Mounting and Orientation ....................................................................................................17 4.5 Thruster Valves.......................................................................................................................................18 4.6 Propellant Isolation and Flow Control Hardware ...................................................................................19 4.6.1 Pyrotechnic-actuated Valves (Pyrovalves) .........................................................................................19 4.6.2 Line Filters..........................................................................................................................................19 4.6.3 Check Valves......................................................................................................................................19 4.6.4 Helium Regulator................................................................................................................................20 4.6.5 Flow Venturis .....................................................................................................................................20 4.6.6 Service Valves ....................................................................................................................................20 4.6.7 Fluid Field Joints ................................................................................................................................20 4.7 Command and Instrumentation...............................................................................................................20 4.7.1 Temperature Sensors ..........................................................................................................................21 4.7.2 Pressure Transducer............................................................................................................................21 4.8 Hardware Integration ..............................................................................................................................22 5.0 Master Equipment List .............................................................................................................................23 6.0 Propulsion Subsystem Performance........................................................................................................24 6.1 Thruster Firing – Thermal Impact...........................................................................................................24 6.2 Thruster Plumes ......................................................................................................................................26 6.3 Thruster Firing Logic..............................................................................................................................27 6.4 Airplane Flight Simulation......................................................................................................................27 6.5 Airplane Flight Duration and