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Journal Articles

System of radiological protection; Towards a consistent framework on earth and in space

R$"u$hm, W.*; Ban, Nobuhiko*; Chen, J.*; Li, C.*; Dobynde, M.*; Durante, M.*; El-Jaby, S.*; Komiyama, Tatsuto*; Ozasa, Kotaro*; Sato, Tatsuhiko; et al.

Journal of Medical Physics - Zeitschrift f$"u$r medizinische Physik -, 10 Pages, 2024/00

The International Commission on Radiological Protection (ICRP) provides independent recommendations on radiological protection for the public benefit. For more than 90 years, the ICRP System of Radiological Protection has been guiding the development and implementation of national and international standards and regulations on radiological protection. In 2019, ICRP established Task Group (TG) 115 to address a broader range of topics related to dose and risk assessment for radiological protection of astronauts. This paper gives an overview of the System of Radiological Protection and a brief summary of ICRP's work on radiological protection of astronauts.

Journal Articles

Simulations of absorbed dose on the phantom surface of MATROSHKA-R experiments at the ISS

Kol$'i$skov$'a$(Mr$'a$zov$'a$), Z.*; Sihver, L.*; Ambro$v{z}$ov$'a$, I.*; Sato, Tatsuhiko; Spurn$'y$, F.*; Shurshakov, V. A.*

Advances in Space Research, 49(2), p.230 - 236, 2012/01

 Times Cited Count:12 Percentile:64(Engineering, Aerospace)

In this paper we will present results of simulations of long term dose measurement inside the spherical phantom MATROSHKA-R located inside the crew cabin of ISS. Three-dimensional Monte Carlo Particle and Heavy Ion Transport code System (PHITS) has been used for this purpose. The simulation will be also compared with the experimental data measured with thermoluminescence and plastic nuclear track detectors inside and on the surface of the phantom in year 2006; both, absorbed dose and measured LET spectra will be presented.

Journal Articles

Evaluation of dose rate reduction in a spacecraft compartment due to additional water shield

Sato, Tatsuhiko; Niita, Koji*; Shurshakov, V. A.*; Yarmanova, E. N.*; Nikolaev, I. V.*; Iwase, Hiroshi*; Sihver, L.*; Mancusi, D.*; Endo, Akira; Matsuda, Norihiro; et al.

Cosmic Research, 49(4), p.319 - 324, 2011/08

 Times Cited Count:11 Percentile:60.45(Engineering, Aerospace)

HZE particle transport codes are the indispensable tool in the shielding design of spacecrafts. We are therefore developing a general-purpose Monte Carlo code PHITS, which can deal with the transports of all kinds of hadrons and heavy ions with energies up to 200 GeV/n in 3-dimensional phase spaces. The applicability of PHITS to space researches has been well verified by comparing the neutron spectra in spacecrafts calculated by the code with the corresponding experimental data. Recently, PHITS was employed in the estimation of radiation fields in the Russian Service Module in ISS. The results of the estimation indicate that PHITS can reproduce experimental data of the dose reduction rates due to water shielding attached on the wall of the Russian crew cabin fairly well. The details of the calculation procedures will be given in the presentation, together with the results of other applications of PHITS to the space exploration.

Oral presentation

Estimation of the enhanced shielding efficiency for the ISS crew quarter

Shurshakov, V. A.*; Yarmanova, E. N.*; Sato, Tatsuhiko

no journal, , 

no abstracts in English

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