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The National Aeronautics and Space Administration

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MSFC, NASA: Dave King, Center Director, John Horack, Director S&MS ... The testing was implemented in order to find a new TPS material for Ares I CLV ... – PowerPoint PPT presentation

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Title: The National Aeronautics and Space Administration


1
The National Aeronautics and Space
Administration
2008 Summer Internship
Benjamin M. DiMiero, EI
2
Responsibilities as an Intern
  • My internship consisted of two different
    projects
  • Business/ Engineering Management Internship
  • Mentor Marty Kress, VSCI CEO NSSTC
    Executive Director
  • Location The National Space Science and
    Technology Center
  • Cryogenic Material Testing
  • Mentor Gail Gordon, Mike Watwood,
    Mike Pendleton
  • Location The Hydrogen Test Facility, MSFC
    4628

3
VCSI Current and Future Projects
  • VCSI New Huntsville Thrust New Model for
    Collaborative RD

Werner Von Braun recognized that if the
Huntsville region was to expand the frontiers of
space and meet the future requirements of NASA
and DOD, the region surrounding Huntsville would
have to develop its scientific and technical
workforce and, simultaneously, attract technical
and scientific professionals from across the
country. VCSI Strategic Plan 2007
4
  • Not-for-profit organization (501(c) 3)
    incorporated in August 2006
  • VCSIs objectives are to
  • Develop and implement requirements-driven
    technology programs
  • Identify and link emerging technologies from the
    national RT community to address customer
    requirements
  • Promote/implement innovative management
    approaches to technical solutions
  • Most importantly expand the RD base in
    Huntsville

5
VCSI Business Model
TRL 6-9
Government
University
TRL 2-6
Output
Input
VCSI
Federal Government Requirements

Science and Engineering Solutions
Industry
R D Groups
6
Board of Directors and Liaisons Board Chairmen
Marty Kress
  • Government/University Liaison
  • MSFC, NASA Dave King, Center Director, John
    Horack, Director SMS
  • Aviation Missile RD and Engineering Center,
    Suzy Young, Director Adv ST
  • Space and Missile Defense Command, Rodney
    Robertson, Director of Technology
  • Tennessee Valley Authority Howard Thrailkill,
    Commissioner
  • VP Research UAH, Ron Greenwood
  • Missile Defense Agency Gen. Chris Anzalone,
    Deputy Director
  • Academia Voting
  • University of Auburn, Ralph Zee (SSTA)
  • UAH, Dave Williams, President
  • Corporate Members - Voting
  • SAIC Bill Gurley
  • Dynetics Marc Bendickson
  • Gray Research Ron Gray
  • Lockheed John Holly
  • Beason and Nalley Gail Wall
  • Sirote and Permutt Joe Ritch
  • COLSA Anthony DiRienzo
  • Strategic Solutions Glenn Priddy
  • Schafer Charles Chitwood
  • VCSI Marty Kress, Ex. Dir.
  • Ex Officio
  • Univ. of Alabama,Chuck Karr

7
Current Projects
  • 1. TVA Rain Gauge Initiative
  • 2. Tawani 2008 International Antarctica
    Expedition
  • 3. Army RS JPO Marcbot Project
  • 4. NASA mission studies/instrument plan
  • 5. AMRDEC/NASA Distributed Systems Integrated
    Test Bed

8
Pending Proposals / Awaiting Final Authorization
  • NOAA HIRAD Initiative
  • 2. Ares Project Office Initiatives
  • NDE, Wind Lidar, etc
  • NSF Proposal Miniature Electron Scanning
    Microscope
  • SERVIR expansion to Africa other nations
  • FY 09 Congressional Asks NOAA, SMDC,
    AMRDEC
  • SMDC Flight Project
  • Lunar Lander Technology Testbed Integrated
    IRD/COTS Concept
  • 8. Reverse Venture Forum

9
Cryoflex Thermal Protection System Material
Testing
Purpose and Objective
  • The testing was implemented in order to find a
    new TPS material for Ares I CLV
  • The EPA no longer approved the TPS that was
    designed for the shuttles external tank
  • A variety of different TPS will be tested in
    the future
  • The goal is to find a TPS that will meet
    both NASA and EPA requirements

10
Background
  • The cryoflex foam stress analysis will determine
    the structural integrity of the new foam thermal
    protective system (TPS) for the upper stage of
    Ares I CV
  • The testing will expose the foam to a
    hydrogen pressure vessel
  • This vessel will simulate the liquid fuel
    tanks in the upper stage
  • Liquid hydrogen will be used as the
    cryogenic testing material
  • The liquid hydrogen will be -423oF while in
    the pressure vessel
  • A tensile load will simulate the rapid
    filling and expending of the liquid fuels

11
Test Procedure
  • The vessel is purged with helium
  • Eliminating oxygen and nitrogen condensate
  • Liquid hydrogen is then pumped into the
    vessel
  • The thermocouple must read approximately
    -320oF for
  • the test to begin
  • The colder the better
  • A tensile load is applied once the required
    temperature
  • is achieved
  • The load is released and the specimen is
    inspected
  • The tensile load increase incrementally
    until failure
  • occurs

12
Apparatus
  • The test apparatus consist of
  • An insulated pressure vessel (As seen on the
    left)
  • TPS specimens mounted to an aluminum bracket
  • A Load frame
  • Gaseous helium and liquid hydrogen
  • Type E thermocouples ( 2 on bracket, 1 in
    vessel)
  • The redesigned apparatus will consist of
  • An exterior insulating foam box
  • (see right in white)
  • A wooded frame to fit the pressure vessel
  • A helium purge
  • A mounting frame (seen on right in red)
  • A camera capable of operation in
  • cryogenic environments

13
My Contributions
The original trials were inconclusive. I would
have continued the testing if this did not
occur. Instead, I was tasked to eliminate heat
sinks in the system. The Designs 1. The
mounting frame 2. The insulating foam box 3.
An integrated insulated camera 4. A newly
machined aluminum pressure vessel 5. The
wooded enclosure
14
Current Progress
  • The initial testing did not achieve the
    desired -320oF environment
  • The apparatus was redesigned to eliminate
    possible heat sinks
  • Since the initial testing the following was
    redesigned for the
  • apparatus
  • Mounting frame
  • Wood frame over the pressure vessel
  • An exterior insulating foam box
  • An insulated camera
  • The next set of test will continue in mid
    august, once the new
  • apparatus is built

15
Acknowledgements
  • Marshall Space Flight Center
  • The National Space Science and Technology Center
  • The Vermont Space Grant

16
Questions?
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