FDTD comparison of SAR and temperature rise in human tissue

Author

Luebbers, R. ; Penney, Christoper W.

Author_Institution

Remcom Inc., Pennsylvania State Univ., State College, PA, USA

Volume

3

fYear

2004

Firstpage

1036

Abstract

A comparison is made between the peak SAR (specific absorption rate) location and distribution in human tissue with the resulting temperature rise caused by the SAR. The temperature change includes cooling effects from the perfusion of blood and may be a better indicator of tissue damage caused by exposure. This paper describes a technique for computing the temperature rise in a finite difference approach for voxel-based geometry files. An example is presented for a simplified cellular telephone radiating by a human head.

Keywords

biological effects of radiation; cellular radio; finite difference time-domain analysis; health hazards; mobile handsets; physiological models; radiofrequency heating; 1.9 GHz; FDTD; blood perfusion; cellular telephone; cooling effects; human head; human tissue; peak SAR location; radio frequency devices; specific absorption rate; temperature rise; tissue damage; voxel-based geometry files; Blood; Computational geometry; Cooling; Finite difference methods; Humans; Specific absorption rate; Telephony; Temperature distribution; Time domain analysis; Tissue damage;

fLanguage

English

Publisher

ieee

Conference_Titel

Electromagnetic Compatibility, 2004. EMC 2004. 2004 InternationalSymposium on

Print_ISBN

0-7803-8443-1

Type

conf

DOI

10.1109/ISEMC.2004.1349970

Filename

1349970