Project CAVEMAN: CARGO VEHICLE AND MANNED TRANSPORT AIAA 2018-2019 Undergraduate Team Space Systems Design Competition Team Lead: Luis Ortiz Team Deputy: Benjamin Younes Team Members: Mark Murphy, Samuel Daugherty-Saunders, Cole Edwards, Alexander Engler, Alexander Villalobos Faculty Advisor: Dr. Donald Edberg California State Polytechnic University, Pomona Aerospace Engineering Department 10 May 2019 Page 1 of 100 AIAA Team Design Member List 10 May 2019 California State Polytechnic University, Pomona Page 2 of 100 Table of Contents List of Acronyms ............................................................................................................................ 4 List of Figures ................................................................................................................................ 5 List of Tables .................................................................................................................................. 6 Executive Summary ....................................................................................................................... 8 I. Mission Overview ................................................................................................................. 13 RFP Background ..................................................................................................................... 13 Needs Analysis.......................................................................................................................... 13 Scope......................................................................................................................................... 13 System Requirements ............................................................................................................... 14 II. Architecture Down Select .................................................................................................... 15 Single Stage to Orbit: ............................................................................................................... 15 Disposable: ............................................................................................................................... 16 Orbital Asset: ............................................................................................................................ 16 Three Module Fully Reusable: ................................................................................................ 17 III. Lunar Environment ......................................................................................................... 18 Temperature Concerns ............................................................................................................. 18 Ionizing radiation ..................................................................................................................... 19 Lunar Surface .......................................................................................................................... 19 Minor Concerns ....................................................................................................................... 20 IV. Mission Design ................................................................................................................. 21 Cargo Configuration Mission Design ...................................................................................... 22 Cargo Configuration Trajectory Simulation ........................................................................... 24 Crew Configuration Mission Design ....................................................................................... 28 Crew Configuration Trajectory Simulation ............................................................................. 30 Launch Vehicle ........................................................................................................................ 33 V. Spacecraft Design ................................................................................................................ 34 1.0 System Overview ....................................................................................................................... 34 1.1 Power System Overview ........................................................................................................... 36 2.0 Hab ........................................................................................................................................... 43 3.0 Landing Module ....................................................................................................................... 58 4.0 Orbital Module ......................................................................................................................... 79 VI. Systems Engineering ........................................................................................................ 91 1.0 System Summary ...................................................................................................................... 91 2.0 Manufacturing Concept ........................................................................................................... 91 3.0 Maintenance Concept .............................................................................................................. 93 10 May 2019 California State Polytechnic University, Pomona Page 3 of 100 4.0 Disposal Concept ...................................................................................................................... 93 5.0 Risk Analyses............................................................................................................................ 93 6.0 Schedule ................................................................................................................................... 95 7.0 Cost Estimations ....................................................................................................................... 97 8.0 Compliance Matrix................................................................................................................... 99 VII. Conclusion ........................................................................................................................ 99 References .................................................................................................................................. 100 List of Acronyms CAVEMAN Cargo Vehicle and Manned Transport DSG Deep Space Gateway NRHO Near Rectilinear Halo Orbit ISS International Space Station LLO Low Lunar Orbit BLuR Big Lunar Rocket OM Orbital Module LM Landing Module FOV Field of View ECLSS Environmental Control and Life Support System CLUB Cargo Loading and Unloading Bot MLI Multi-Layer Insulation P&ID Piping and Instrumentation diagram LEO Low Earth Orbit NICS Non-Interlayer-Contact Spacer C&DH Command and Data Handling ACS Attitude & Control System KSC Kennedy Space Center SLS Space Launch System 10 May 2019 California State Polytechnic University, Pomona Page 4 of 100 List of Figures Figure ExSum-1: CAVEMAN Transport, In-Flight and Docked Configurations ........................................................ 9 Figure ExSum-2: Cargo (Right) and Crew (Left) Mission Trajectories ................................................................... 10 Figure ExSum-3: Tank Packing for LM (Left) and OM (Right) ............................................................................... 12 Figure 2.1.0-1: Lockheed Martin Single Stage to Orbit Lunar Lander (Credit: Lockheed Martin) .......................... 15 Figure 2.2.0-1: ConOps for Solid Booster Strap-ons............................................................................................... 16 Figure 2.3.0-1: Lunar Tug Docking (Credit: NASA) ............................................................................................... 16 Figure 2.4.0-1: 3 Module Vehicle Designed by Lunacy Solutions............................................................................ 17 Figure 3.1.0-1: Lunar Surface Temperature Ranges ............................................................................................... 18 Figure 3.2.0-1: Solar Cycle .................................................................................................................................... 19 Figure 4-1: Mission Modes for Crewed or Un-Crewed Vehicle Configurations ...................................................... 21 Figure 4.1.0-1: Cargo Configuration Concept of Operations .................................................................................. 23 Figure 4.2.0-1: 11:3 Southern L2 NRHO ................................................................................................................ 24 Figure 4.2.0-2: Transfer from NRHO to Polar LLO ................................................................................................ 25 Figure 4.2.0-3: Circular Orbit Rotating Around Lunar Inertial Frame ................................................................... 26 Figure 4.2.0-4: Polar LLO T+ 1 Day Since Circularization.................................................................................... 27 Figure 4.2.0-5: Polar LLO T+ 7 Day Since Circularization.................................................................................... 27 Figure 4.2.0-6: Polar LLO T+ 14 Days Since Circularization ................................................................................ 28 Figure 4.3.0-1: Crew Configuration Concept of Operations ..................................................................................