StelNav-1000 10/23/2012
description
Transcript of StelNav-1000 10/23/2012
![Page 1: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/1.jpg)
FREYR SOLUTIONS, INC.
STELNAV-100010/23/2012
BRANDON BAKERKEEGAN COLBERTRYAN HAUGHEY
MEGAN HEARDCOLLIN MARSHALLBEN MORALES
TRAVIS RAVENSCROFT
![Page 2: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/2.jpg)
FREYR SOLUTIONS, INC.
MISSION STATEMENT“To expand the domain of humanity beyond the earth for the betterment, preservation, and advancement of all humankind by creating a self-sustaining, mobile habitat that ensures the physical and psychological well-being of its inhabitants.”
• 24 Month Trip Time
• 12 Crew Members
• Capable of Interplanetary Space Travel
COLLIN MARSHALL
![Page 3: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/3.jpg)
FREYR SOLUTIONS, INC.
SYSTEMS REVIEW• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
BEN MORALES
![Page 4: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/4.jpg)
Supporting Truss Structure Transport Tube Habitable Pod Central Hub Hallway
STRUCTURAL DESIGN
![Page 5: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/5.jpg)
FREYR SOLUTIONS, INC.
Spacecraft Structure
Dumbbell Cylindrical
Modular Pods
RigidTethered
Spherical Toroidal
Circular Cross Section
Square Cross Section
Oval Cross Section
Inhabitable Pods (TRANSHAB)
Uniform Cross Section
3 Sections of Two Pods
Evenly Distributed Pods
Square Cross Section Hallways
Circular Cross Section Hallways
Centrally Located Propulsion
Overall Structural
Profile
EXTERNAL STRUCTURE
BEN MORALES
![Page 6: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/6.jpg)
FREYR SOLUTIONS, INC.
DESIGN SPECIFICATIONS• Torus Radius: 60 m
• Small radius to reduce mass
• Preliminary Mass Estimate: 950 MT
• Rate of Rotation: 3.86 rpm
KEEGAN COLBERT
![Page 7: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/7.jpg)
FREYR SOLUTIONS, INC.
LAYOUT BENEFITS• Versatility:
• Pods can be added or removed and individually designed
• Continuity:
• All pods are connected with hallways
• Large Living Space
• Flat Floors:
• Pods do not require curved floors like traditional torus
• Zero Gravity Central Hub
• Contains propulsion, power generation, and agricultural production
• Limited Radiation Shielding:
• 23.2 rem/year – 29.2 rem/year built in to the inflatable pods
KEEGAN COLBERT
![Page 8: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/8.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
MEGAN HEARD
SYSTEMS REVIEW
![Page 9: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/9.jpg)
FREYR SOLUTIONS, INC.
LIFE SUPPORTOver the course of 2 years, 12 people would consume:
• 7,360 kg oxygen
• 26,300 kg water
• 18,700 kg food
Recycling is essential for any long term independent space habitation
MEGAN HEARD
![Page 10: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/10.jpg)
FREYR SOLUTIONS, INC.
COMPONENTS• Atmospheric control
• Oxygen production and carbon dioxide management
• Nutrition
• Food production
• Waste management
• Recycling of liquid and solid waste
MEGAN HEARD
![Page 11: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/11.jpg)
FREYR SOLUTIONS, INC.
ATMOSPHERIC CONTROL
• Algae will be used for O2 production and CO2 elimination
• 96 m2 of algae can provide O2 for a crew of 12
• 3 pods will have 48 m2 tanks below the lowest floor
• Algae will require 30 kg of water and will use sunlight to power photosynthesis
• Mechanical filtration will be used to remove other impurities from the air
MEGAN HEARD
![Page 12: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/12.jpg)
FREYR SOLUTIONS, INC.
ATMOSPHERIC CONTROL
• The algae grown will be arthrospira platensis (Spirolina)
• Supplement crew member’s diets
• 57% protein by mass and high in several essential vitamins and minerals
MEGAN HEARD
![Page 13: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/13.jpg)
FREYR SOLUTIONS, INC.
NUTRITION
• Aeroponics for food growth
• Aeroponics reduce water usage by 98 percent, fertilizer usage by 60 percent
• Up to six crop cycles per year, instead of the traditional one to two crop cycles.
MEGAN HEARD
![Page 14: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/14.jpg)
FREYR SOLUTIONS, INC.
NUTRITION
• Located in the central hub to take advantage of the lower gravity
• 200 m2 will be used to produce food for the entire crew of 12
MEGAN HEARD
![Page 15: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/15.jpg)
FREYR SOLUTIONS, INC.
WASTE MANAGEMENT
• In order to be self sustaining, waste products must be used to provide nutrients for agriculture
• 3 stages of bacterial decomposition will be used to purify water and compost waste into usable fertilizer
MEGAN HEARD
![Page 16: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/16.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
TRAVIS RAVENSCROFT
SYSTEMS REVIEW
![Page 17: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/17.jpg)
FREYR SOLUTIONS, INC.
INTERNAL ARCHITECTURE• Requirements
• Provide a habitat for a crew of 12
• 47 m2 floor space per person ( ~ 600 m2 total)
• Other considerations
• Psychology of habitable area
• Coriolis effects
• Effects of structural vibration on crew comfort
TRAVIS RAVENSCROFT
![Page 18: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/18.jpg)
FREYR SOLUTIONS, INC.
INTERNAL ARCHITECTURE• Inflatable habitat selected based upon launch and manufacturing considerations
• Vertical and horizontal designs considered
• Horizontal design chosen based upon psychology of area, crew have longer lines of sight
TRAVIS RAVENSCROFT
![Page 19: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/19.jpg)
FREYR SOLUTIONS, INC.
INTERNAL ARCHITECTURE• 6 total habitat structures
• 2 floors per structure
• 820 m2 of useable floor space
• 3 used for living space
• 1 used for recreation
• 1 used for spacecraft control operations
• 1 used for medical and science work
TRAVIS RAVENSCROFT
![Page 20: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/20.jpg)
FREYR SOLUTIONS, INC.
• Lower Floor
• Kitchen
• Bathroom
• Upper Floor
• Bedrooms
• Storage space
CREW LIVING SPACE
TRAVIS RAVENSCROFT
![Page 21: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/21.jpg)
FREYR SOLUTIONS, INC.
INTERNAL ARCHITECTURE• Command and Control module
• Provides workspace for all personnel
• Recreation Pod
• Exercise equipment
• Sections of upper floor removed
• Science and Medical Pod
• Provides lab space for scientific experiments
• Medical area in case of injury or sickness
TRAVIS RAVENSCROFT
![Page 22: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/22.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
BRANDON BAKER
SYSTEMS REVIEW
![Page 23: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/23.jpg)
FREYR SOLUTIONS, INC.
GUIDANCE, NAVIGATION & CONTROLSpacecraft Utilities
Navigation Command and Data Computer
Pulsing uplink
Star maps
Operating System
LinuxDoppler ShiftOptical Nav.
Windows MAC
Fully autonomous
High-level cmd, autonomous
task completion
Tele-robotic operation
Command and Control
Attitude Determination
and Control
CMGs GyrosStar Trackers
ThrustersMomentum Wheels
Sensors Actuators
BRANDON BAKER
GNC Detail
![Page 24: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/24.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
BRANDON BAKER
SYSTEMS REVIEW
![Page 25: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/25.jpg)
FREYR SOLUTIONS, INC.
Communications
Transponder Waveguide Switches
High-Gain Low-GainMedium-Gain
UHF antenna and Receiver
Control Unit
Command Detector Unit
BRANDON BAKER
Communication Detail
![Page 26: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/26.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
COLLIN MARSHALL
SYSTEMS REVIEW
![Page 27: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/27.jpg)
FREYR SOLUTIONS, INC.
PROPULSIONChemical Ion Nuclear Thermal Rocket
• High Thrust• Low Isp
• Low Thrust• High Isp
• High thrust and Isp
• Radiation danger
Assemble in LEO
Travel to Earth-Moon L1 Point
Interplanetary Space Travel
ΔV 2 km/s
Thrusters for attitude control
VASIMR ENGINE
Mass: 50,000 kgCost: $50 mil COLLIN
MARSHALL
![Page 28: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/28.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
RYAN HAUGHEY
SYSTEMS REVIEW
![Page 29: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/29.jpg)
FREYR SOLUTIONS, INC.
Power Consumption Estimates
Propulsion 1200 kW
Attitude 500 kW
Inhabitants 200 kW
Total 1900 kW
Power Module required: 2 MW
Power
Dynamic Static
Solar Nuclear Photovoltaic Fuel Cell Nuclear
RYAN HAUGHEY
Power Detail
![Page 30: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/30.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
RYAN HAUGHEY
SYSTEMS REVIEW
![Page 31: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/31.jpg)
FREYR SOLUTIONS, INC.
MISSION SCHEDULEPhase 1: Module Assembly
Perimeter modules launched into LEO in paired launches
Structural components launched. Manned missions assemble.
Propulsion module launched and assembled
Phase 2: Gateway Transit
Main engine burn to reach Lagrange Point Deceleration Spin-up commences
Phase 3: Crewed Mission
Direct launch to rendezvous with station Engine refuel Main engine burn to reach
destination
RYAN HAUGHEY
![Page 32: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/32.jpg)
FREYR SOLUTIONS, INC.
MISSION BUDGET
Launch Vehicle Atlas VLaunches 32
Cost Per Launch $140M
Total Launch Cost $4.5B
Mission Quantity PayloadModule Coupling 6 ModulesModule Link 12 TrussesTorus Construction 12 HallwaysPropulsion Attachment 1 PropulsionCrew Deployment 1 Crew
RYAN HAUGHEY
![Page 33: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/33.jpg)
FREYR SOLUTIONS, INC.
• Structural Overview
• Life Support
• Internal Architecture
• Guidance, Navigation & Control
• Communication
• Propulsion
• Power Plant
• Mission Planning
• Design Advantages
RYAN HAUGHEY
SYSTEMS REVIEW
![Page 34: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/34.jpg)
FREYR SOLUTIONS, INC.
DESIGN ADVANTAGES:
• Versatility
• Livability
• Sustainability
RYAN HAUGHEY
INNOVATING THE FUTURE THROUGH…
![Page 35: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/35.jpg)
QUESTIONS?
![Page 36: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/36.jpg)
FREYR SOLUTIONS, INC.
COMMAND AND DATA COMPUTER SUBSYSTEM• Command sequence and programs uplink
• Spacecraft clock
• Telemetry
• Data Storage
• Fault Protection and Safing
• AACS
![Page 37: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/37.jpg)
FREYR SOLUTIONS, INC.
NAVIGATION• Navigation data acquisition
• Velocity via Doppler shift of coherent downlink
• Range via pulsing uplink
• Angular momentum via Differenced Doppler
• Optical navigation
![Page 38: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/38.jpg)
FREYR SOLUTIONS, INC.
SPIN MAINTENANCE ATTITUDE CONTROL
• Control Momentum Gyroscopes (CMG)
• Single-gimbal
• Thrusters
• Reaction/momentum wheels
Back
![Page 39: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/39.jpg)
FREYR SOLUTIONS, INC.
TELECOMMUNICATIONS SUBSYSTEM• High-Gain (HGA), Medium-Gain (MGA) and Low-Gain (LGA) Antennas
• Cassegrain arrangement
• Transponder (transmitter/receiver with a coherent signal)
• Communications Relay
• UHF antenna and receiver for surface vehicle contact and relay
Back
![Page 40: StelNav-1000 10/23/2012](https://reader036.fdocuments.net/reader036/viewer/2022062803/56814655550346895db36c1c/html5/thumbnails/40.jpg)
FREYR SOLUTIONS, INC.
POWER SYSTEM SOLUTION
Regenerative Closed Brayton CycleDiagram Source: Megawatt Class Nuclear Space Power
Systems Report - NASA
System Mass: ~40 MT
Backup Solar Panels on each pair of modules
System Mass: ~2.5 MT/pair
Back