Catalogo Articoli (Spogli Riviste)

OPAC HELP

Titolo:
FDTD computation of temperature rise in realistic head models simulating adult and infant for 1.5-GHz microwave exposure
Autore:
Yano, M; Wang, JQ; Fujiwara, O;
Indirizzi:
Nagoya Inst Technol, Fac Engn, Nagoya, Aichi 4668555, Japan Nagoya Inst Technol Nagoya Aichi Japan 4668555 goya, Aichi 4668555, Japan
Titolo Testata:
ELECTRONICS AND COMMUNICATIONS IN JAPAN PART I-COMMUNICATIONS
fascicolo: 4, volume: 84, anno: 2001,
pagine: 57 - 66
SICI:
8756-6621(2001)84:4<57:FCOTRI>2.0.ZU;2-B
Fonte:
ISI
Lingua:
ENG
Soggetto:
FIELD;
Keywords:
microwave; local specific absorption rate; human effect; realistic head model; temperature rise;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Engineering, Computing & Technology
--discip_EC--
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Yano, M Nagoya Inst Technol, Fac Engn, Nagoya, Aichi 4668555, Japan NagoyaInst Technol Nagoya Aichi Japan 4668555 chi 4668555, Japan
Citazione:
M. Yano et al., "FDTD computation of temperature rise in realistic head models simulating adult and infant for 1.5-GHz microwave exposure", ELEC C JP 1, 84(4), 2001, pp. 57-66

Abstract

The temperature rise of the human head exposed to 1.5-GHz microwaves at the safety standard level (I mW/cm(2)) in the general environment is computedby the FDTD method for a realistic adult model developed by the authors and an infant size model obtained by reducing the adult model. The temperature rise for the head in thermal equilibrium is attained from a nonuniform initial temperature distribution in the head, taking into consideration the external temperature. It is found that the peak values in all tissues are higher in the adult model than in the infant model. In the adult model, the maximum is reached in the eyeballs (0.07 degreesC), while in the infant model, the maximum occurs in the muscle (0.055 degreesC). The tissue average ofthe temperature rise is higher in the infant model than in the adult modelexcept for the eyeballs. In particular, the average value (0.0058 degreesC) of the temperature rise in the brain tissue is lower than the peak value by almost one order of magnitude and is three times higher than the averagevalue in the adult. The latter result is caused by the hot spot of SAR as a heat source generated inside the head. It is found that a hot spot appears in the inhomogeneous realistic head model of infant size. (C) 2000 Scripta Technica.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 28/03/20 alle ore 10:22:09