Ml12 Spacecraft Contamination And Coatings Degradation Flight Experiment

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Ml12 Spacecraft Contamination And Coatings Degradation Flight Experiment

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Author :
language : en
Publisher:
Release Date : 1983

Ml12 Spacecraft Contamination And Coatings Degradation Flight Experiment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1983 with categories.

The ML12 experiment was launched 30 Jan 79, on the USAF Space Test Program P78-2 spacecraft, sometimes called SCATHA. It was designed to determine if spacecraft charging contributes significantly to the rate that contaminants arrive at exterior spacecraft surfaces, and to establish some of the characteristics and effects of these contaminants. Two sensor types are used in the experiment: (1) A combination retarding potential analyzer (RPA) and temperature controlled quartz crystal microbalance (TOCM). With it, distinction can be made between charged and uncharged arriving molecules, and information can be obtained concerning the temperature dependence of contaminant adsorption and desorption rates. (2) A tray of calorimetrically mounted thermal control coating (TCC) samples. Samples of different spacecraft surface materials are exposed to arriving contaminants, and the solar absorptances sa of these materials are continuously measured. The two RPA/TQCMs are both accumulating mass but the accumulation rates and characteristics of the mass differ. Ultraviolet from the sun is the likely reason. Non-line-of-sight contamination transport has been found to be important at geosynchronous altitudes. With one exception, the early orbital values of sa are in good agreement with prelaunch values indicating little contamination during prelaunch activities. The very small change in sa for an optical solar reflector and other space-stable samples indicates that the SCATHA spacecraft was exceptionally clean. As a result, large sa changes for other TCCs are attributed to the effects of radiation damage.

A Study Of Space Station Contamination Effects

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Author : Marsha R. Torr
language : en
Publisher:
Release Date : 1988

A Study Of Space Station Contamination Effects written by Marsha R. Torr and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with Contamination (Technology) categories.

Fundamentals Of Contamination Control

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Author : Alan C. Tribble
language : en
Publisher: SPIE Press
Release Date : 2000

Fundamentals Of Contamination Control written by Alan C. Tribble and has been published by SPIE Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000 with Technology & Engineering categories.

This Tutorial Text provides a comprehensive introduction to the subject of contamination control, with specific applications to the aerospace industry. The author draws upon his many years as a practicing contamination control engineer, researcher, and teacher. The book examines methods to quantify the cleanliness level required by various contamination-sensitive surfaces and to predict the end-of-life contamination level for those surfaces, and it identifies contamination control techniques required to ensure mission success.

1997 Spacecraft Contamination And Coatings Workshop

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Author :
language : en
Publisher:
Release Date : 1997

1997 Spacecraft Contamination And Coatings Workshop written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1997 with Space vehicles categories.

Journal Of Thermophysics And Heat Transfer

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Author :
language : en
Publisher:
Release Date : 1992

Journal Of Thermophysics And Heat Transfer written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Heat categories.

91 1300 91 1333

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Author :
language : en
Publisher:
Release Date : 1991

91 1300 91 1333 written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1991 with Space vehicles categories.

Aiaa 87 1600 Aiaa 87 1651 With Omissions In Numbering

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Author :
language : en
Publisher:
Release Date : 1987

Aiaa 87 1600 Aiaa 87 1651 With Omissions In Numbering written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Heat categories.

Contamination Control Engineering Design Guidelines For The Aerospace Community

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Author : Alan C. Tribble
language : en
Publisher:
Release Date : 1996

Contamination Control Engineering Design Guidelines For The Aerospace Community written by Alan C. Tribble and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Space environment categories.

Radiation Effects In Optical Materials

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Author : Paul Warren Levy
language : en
Publisher:
Release Date : 1985

Radiation Effects In Optical Materials written by Paul Warren Levy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1985 with Nuclear emulsions categories.

Scientific And Technical Aerospace Reports

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Author :
language : en
Publisher:
Release Date : 1980

Scientific And Technical Aerospace Reports written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1980 with Aeronautics categories.

Lists citations with abstracts for aerospace related reports obtained from world wide sources and announces documents that have recently been entered into the NASA Scientific and Technical Information Database.