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Radiation environment onboard spacecraft at LEO and in deep space

The result's identifiers

  • Result code in IS VaVaI

    <a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61389005%3A_____%2F16%3A00486343" target="_blank" >RIV/61389005:_____/16:00486343 - isvavai.cz</a>

  • Result on the web

    <a href="http://dx.doi.org/10.1109/AERO.2016.7500765" target="_blank" >http://dx.doi.org/10.1109/AERO.2016.7500765</a>

  • DOI - Digital Object Identifier

    <a href="http://dx.doi.org/10.1109/AERO.2016.7500765" target="_blank" >10.1109/AERO.2016.7500765</a>

Alternative languages

  • Result language

    angličtina

  • Original language name

    Radiation environment onboard spacecraft at LEO and in deep space

  • Original language description

    It is well known that outside the Earth's protective atmosphere and magnetosphere, the environment is very harsh and unfriendly for any living organism, due to the micro gravity, lack of oxygen and protection from high energetic ionizing cosmic radiation, as well as from powerful solar energetic particles (SEPs). The space radiation exposure leads to increased health risks, including tumor lethality, circulatory diseases and damages on the central nervous systems. In case of SEP events, exposures of spacecraft crews may be lethal. Space radiation hazards are therefore recognized as a key concern for human space flight. For long-term interplanetary missions, they constitute a limiting factor since current protection limits might be approached or even exceeded. Better risk assessment requires knowledge of the radiation quality, as well as equivalent doses in critical radiosensitive organs, and different risk coefficient for different radiation caused illnesses and diseases must be developed. The use of human phantoms, simulating an astronaut's body, provides detailed information of the depth-dose distributions, and radiation quality, inside the human body. In this paper we will therefore review the major phantom experiments performed at Low Earth Orbits (LEO) [1]. However, the radiation environment in deep space is different from LEO. Based on fundamental physics principles, it is clear that hydrogen rich, light and neutron deficient materials have the best shielding properties against Galactic Cosmic Rays (GCR) [2,3]. It has also been shown [4,5] that water shielding material can reduce the dose from Trapped Particles (TP), the low energetic part of GCR, and from low energetic SEP events.

  • Czech name

  • Czech description

Classification

  • Type

    D - Article in proceedings

  • CEP classification

  • OECD FORD branch

    20304 - Aerospace engineering

Result continuities

  • Project

  • Continuities

    I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Others

  • Publication year

    2016

  • Confidentiality

    S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Data specific for result type

  • Article name in the collection

    IEEE Aerospace Conference Proceedings

  • ISBN

    978-1-4673-7676-1

  • ISSN

    1095-323X

  • e-ISSN

  • Number of pages

    9

  • Pages from-to

  • Publisher name

    IEEE

  • Place of publication

    New York

  • Event location

    Big Sky

  • Event date

    Mar 5, 2016

  • Type of event by nationality

    WRD - Celosvětová akce

  • UT code for WoS article

    000388374902081