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학술지 FDTD Calculations of SAR for Child Models in Different Postures between 10 MHz and 3 GHz
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저자
R.P.Findlay, 이애경, P.J.Dimbylow
발행일
200907
출처
Radiation Protection Dosimetry, v.135 no.4, pp.226-231
ISSN
0144-8420
출판사
Oxford Univ. Press
DOI
https://dx.doi.org/10.1093/rpd/ncp118
협약과제
09MR2100, 안전한 전자파환경 조성, 윤재훈
초록
Calculations of specific energy absorption rate (SAR) have been performed on the rescaled NORMAN 7-y-old voxel model and the Electronics and Telecommunications Research Institute (ETRI) child 7-y-old voxel model in the standing arms down, arms up and sitting postures. These calculations were for plane-wave exposure under isolated and grounded conditions between 10 MHz and 3 GHz. It was found that there was little difference at each resonant frequency between the whole-body averaged SAR values calculated for the NORMAN and ETRI 7-y-old models for each of the postures studied. However, when compared with the arms down posture, raising the arms increased the SAR by up to 25%. Electric field values required to produce the International Commission on Non-Ionizing Radiation Protection and Institute of Electrical and Electronic Engineers public basic restriction were calculated, and compared with reference levels for the different child models and postures. These showed that, under certain worst-case exposure conditions, the reference levels may not be conservative. © The Author 2009. Published by Oxford University Press. All rights reserved.
KSP 제안 키워드
Exposure conditions, FDTD calculations, International Commission on Non-Ionizing Radiation(ICNIRP), Ionizing radiation(IR), Radiation Protection, Research institute, Resonant frequency(Fr), SAR values, Specific energy absorption, Voxel model, basic restriction