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The UT Tyler NASA Orion Project:

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Sara McCaslin

on 21 August 2012

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Transcript of The UT Tyler NASA Orion Project:

The UT Tyler NASA Orion MPCV Project:
How UT Tyler is Impacting the Exploration of Space NASA Orion MPCV The launch abort system (LAS):
Activates within milliseconds to propel the crew module to safety if there is an emergency during launch or the climb to orbit
Protects the crew module from dangerous atmospheric loads and heating
Finally, jettisons after the Multi Purpose Crew Vehicle (MPCV) is through its ascent to orbit Crew module:
Transportation capsule that can support more crew members for short or long-duration spaceflight missions
Capable of conducting regular in-space operations (rendezvous, docking, extravehicular activity) in conjunction with payloads delivered by the Space Launch System (SLS) for missions beyond LEO
Backup system for International Space Station cargo and crew delivery
Provides a safe habitat for the crew
Provides storage for consumables (like food) and research instruments
Docking port for crew transfers
Only part of the MPCV that returns to Earth after each mission Service module:
Supports the crew module from launch through separation prior to reentry
Provides in-space propulsion capability
When mated with the crew module, it provides the water, oxygen and nitrogen needed for a habitable environment
Generates and stores electrical power while on-orbit
Maintains the temperature of the vehicle's systems and components

This module can also transport unpressurized cargo and scientific payloads. What is the Orion MPCV? MPCV stands for Multi-Purpose Crew Vehicle

The Orion Crew Exploration Vehicle was originally part of NASA’s Constellation Program, which is no longer an active NASA program

However, the design for Orion was carried forward as the Orion Multi-Purpose Crew Vehicle (Orion MPCV) -- part of NASA’s new plans to explore beyond low Earth orbit and into deep space An Overview of NASA's New Goals

Compares and evaluates spacecraft design to help prepare astronauts and engineers for test flights and future missions
Improve overall system performance
Reduce the risk of operator error
Mockups are one of the tools used to achieve this What are Mockups for, Specifically? Mockups and simulators allow for system design evaluations and training in mission-like conditions

These simulations provide crewmembers with an opportunity to alert engineers to potential issues with ...
crewmember reach
instrumentation and display design
control interaction
visual blind spots ...

all which could prevent the crew or ground-based support from successfully operating the spacecraft UT Tyler's Task The purpose of this project was to design a pallet and strut system, also known as the Crew Impact Attenuation System (CIAS), for installation in NASA’s medium-fidelity mock up of the Orion Crew Exploration Vehicle

The pallet design supports the astronauts, seats, and technicians during training exercises Design Specifications Pallet and struts to maintain the overall outer dimensions and functionality inherent in the Orion flight vehicle CAD model design
The pallet shall be suspended by the eight struts and not supported by additional supports
Pallet supported by eight struts with no further
support
Must be an adjustable system
Approved materials must be used
Factor of Safety for Yield: 3
Factor of Safety for Ultimate: 4 The pallet and struts shall be able to support a 2000 lb distributed load, based on these assumptions:
Four 300 lb suited crew
Two 250 lb technicians,
200 lb of seats
100 lb of additional hardware that may be held by the personnel on the pallet

Design must be able to be loaded into CEV through docking hatch or viewing window
Assembly will occur in CEV
Metal surfaces must be painted or anodized
No sharp edges -- corner and edges minimum radius: 0.25” -- to not injure astronauts or damage space suits Evaluate Lockheed Martin Flight Design
Provided 3D design drawings
Had to open up file in ProE to retrieve dimensions
The pallet had to be dimensionally equivalent
Struts did not have to absorb impact, but did have to be strong enough to hold up 6,000 lbs from only four vertical supports Design Challenges Assembly Inside the Mockup
Support 6000 lbs, but be light enough for a few men to manuever it in a limited space
Pallet would have to be assembled from two or more pieces
All pieces had to fit through the hatch or the viewing window Adjustable Struts
Struts had to be strong enough to suspend the weight of the pallet + the 2000 lb expected load
Struts also had to be adjustable ...

Entire pallet stroked down toward the backbone 8 inches
Pallet stroked 4 inches laterally toward the side hatch
Port side of the pallet stroked down 8 inches where
the starboard (side hatch) side stays nearly in place
Pallet stroked 8 inches laterally toward the windows
Pallet stroked 8 inches laterally away from the windows Software Tools Used to Develop the Design Communication Analysis Design Solid
Edge ProE Google
Docs Email PowerPoint SAP Algor Excel Manufacture Pallet weighs in at 482 lbs and the struts combined weigh 210 lbs -- with the final hardware, the total weight is around 700 lbs Orion’s Human Factors Engineering
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