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  • 11
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    Passive Optical Sample Assembly (POSA) for STS-1 quick look post-mission report (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A passively deployed array of contamination-sensitive samples was mounted and flown in the cargo bay of the space shuttle Columbia during the first orbital flight test. A similar unit was mounted in a different location in the cargo bay at Dryden Flight Research Center during the postflight operations there prior to the ferry flight return of Columbia to Kennedy Space Center. The samples in both POSA arrays were subjected to a series of optical and analytical measurements prior to delivery for installation in the cargo bay and after retrieval of the flight hardware. A quick-look summary of the results of a comparison of the series of measurements is presented.
    Keywords: SPACE TRANSPORTATION
    Type: NASA-TM-82421
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 12
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    STS-2 Induced Environment Contamination Monitor (IECM): Quick-Look Report (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The STS-2/induced environment contamination monitor (IECM) mission is described. The IECM system performance is discussed, and IECM mission time events are briefly described. Quick look analyses are presented for each of the 10 instruments comprising the IECM on the flight of STS-2. A short summary is presented.
    Keywords: MAN/SYSTEM TECHNOLOGY AND LIFE SUPPORT
    Type: NASA-TM-82457
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 13
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    STS-2, -3, -4 Induced Environment Contamination Monitor (ICEM) (1983)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The second, third, and fourth space transportation system missions are described including the location of the IECM in the payload bay and the shuttle coordinate systems used. Measurement results from the three flights are given for each instrument with comparisons to original goals for preflight environment and induced environment contamination. These results include very low levels of molecular mass accumulation rates, absence of molecular films on optical samples, outgassing species above 50 amu undetectable generally low levels of on-orbit particulates, and decay rates for early mission water dump particulates. Results of exposure of several optical materials and coatings to atomic oxygen are also presented. From these results, it is concluded that the space shuttle met the established induced environment contamination goals.
    Keywords: SPACE TRANSPORTATION
    Type: NASA-TM-82524 , NAS 1.15:82524
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 14
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    STS-3 Induced Environment Contamination Monitor (IECM): Quick-look report (1982)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: The STS-3/Induced Environment Contamination Monitor (IECM) mission is described. The IECM system performance is discussed, and IECM mission time events are briefly described. Quick look analyses are presented for each of the 10 instruments comprising the IECM on the flight of STS-3. Finally, a short summary is presented and plans are discussed for future IECM flights, and opportunities for direct mapping of Orbiter effluents using the Remote manipulator System.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-TM-82489 , NAS 1.15:82489
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 15
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    Passive Optical Sample Assembly (POSA) (1981)
    In:  CASI
    Details
    Publication Date: 2019-06-28
    Description: A Passive Optical Sample Assembly (POSA) unit was mounted and flown in the cargo bay of the space shuttle Columbia during the first Orbital Flight Test (OFT-1). A similar unit was mounted in a different location in the cargo bay during the postflight operations. The samples in both POSA arrays were subjected to a series of optical and analytical measurements prior to delivery for installation in the cargo bay and after retrieval of the flight hardware. The final results of a comparison of the two series of measurements are presented. These STS-1 results are based on data obtained from only a portion of one of the ten Induced Environment Contamination Monitor instruments to be flown on several shuttle flights beginning with STS-2. These limited results do not indicate shuttle contamination levels in excess of those anticipated.
    Keywords: ENVIRONMENT POLLUTION
    Type: NASA-TM-82446
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 16
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    Shuttle optical environment; Proceedings of the Meeting, Washington, DC, April 23, 24, 1981 (1982)
    In:  Other Sources
    Details
    Publication Date: 2019-07-13
    Description: The numerical modeling, instrumentation, identification, and procedures to characterize and/or control contamination hazards to equipment used on the Shuttle are discussed. On-orbit pollutants include molecular offgassing and outgassing, particulate material, and substances from thrusters, vents, and leaks. Clean-rooms are being implemented in ground assembly and integration facilities. Attention is given to an upgraded SPACE program for numerically modeling contamination pathways and appropriate procedures to protect instrumentation from film and particulate deposition. Finally, attention is given to military cryogenic IR detectors being employed to quantify the Shuttle thermal and solid pollutant environment on-orbit as a prelude to future operational IR sensors.
    Keywords: SPACE TRANSPORTATION
    Type: Shuttle optical environment; Apr 23, 1981 - Apr 24, 1981; Washington, DC
    Format: text
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    NASA TECHNICAL REPORTS
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