NDLI: Mcnpx cosmic ray shielding calculations with the norman phantom model

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Mcnpx cosmic ray shielding calculations with the norman phantom model

Content Provider	NASA Technical Reports Server (NTRS)
Author	Durkee, Joe W. McKinney, Gregg James, Michael R.
Copyright Year	2008
Description	The United States is planning manned lunar and interplanetary missions in the coming years. Shielding from cosmic rays is a critical aspect of manned spaceflight. These ventures will present exposure issues involving the interplanetary Galactic Cosmic Ray (GCR) environment. GCRs are comprised primarily of protons (approx.84.5%) and alpha-particles (approx.14.7%), while the remainder is comprised of massive, highly energetic nuclei. The National Aeronautics and Space Administration (NASA) Langley Research Center (LaRC) has commissioned a joint study with Los Alamos National Laboratory (LANL) to investigate the interaction of the GCR environment with humans using high-fidelity, state-of-the-art computer simulations. The simulations involve shielding and dose calculations in order to assess radiation effects in various organs. The simulations are being conducted using high-resolution voxel-phantom models and the MCNPX[1] Monte Carlo radiation-transport code. Recent advances in MCNPX physics packages now enable simulated transport over 2200 types of ions of widely varying energies in large, intricate geometries. We report here initial results obtained using a GCR spectrum and a NORMAN[3] phantom.
File Size	230546
Page Count	2
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_20080047663
Archival Resource Key	ark:/13960/t59d1x92n
Language	English
Publisher Date	2008-11-08
Access Restriction	Open
Subject Keyword	Aerospace Medicine Nasa Programs Radiation Effects High Resolution Galactic Cosmic Rays Alpha Particles Exposure Shielding Space Flight Manned Space Flight Singleterry Robert Radiation Transport Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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