Thermal steady state in human head under continuous EM exposure

Woo Tae Kim; Jong Gwan Yook

doi:10.1109/MWSYM.2005.1517075

Thermal steady state in human head under continuous EM exposure

Woo Tae Kim, Jong Gwan Yook

Department of Electrical and Electronic Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

2 Citations (Scopus)

Abstract

The bio-heat equation including the thermoregulatory systems is solved for an anatomically based model of the human head with a resolution of 3 × 3 × 3 mm. In order to study the capability of thermal homeostasis of numerical head model, the time to reach the thermal steady-state under continuous RF exposure has been examined with the variation of power of a half-wave dipole antenna operating at 835 MHz. When the distance between the head and the antenna is 12 mm and the maximum transmitted power of the antenna is 600 mW, the maximum temperature increase in the head and in the brain is about 0.5°C and 0.24°C, relatively. It is found that the transmitted power increases (0.6, 1.2, 2.4, 4.8, 9.6 and 19.2 W), the rise in temperature reaches steady state after about 20 minutes for all cases.

Original language	English
Title of host publication	2005 IEEE MTT-S International Microwave Symposium Digest
Pages	1805-1808
Number of pages	4
DOIs	https://doi.org/10.1109/MWSYM.2005.1517075
Publication status	Published - 2005
Event	2005 IEEE MTT-S International Microwave Symposium - Long Beach, CA, United States Duration: 2005 Jun 12 → 2005 Jun 17

Publication series

Name	IEEE MTT-S International Microwave Symposium Digest
Volume	2005
ISSN (Print)	0149-645X

Other

Other	2005 IEEE MTT-S International Microwave Symposium
Country	United States
City	Long Beach, CA
Period	05/6/12 → 05/6/17

All Science Journal Classification (ASJC) codes

Radiation
Condensed Matter Physics
Electrical and Electronic Engineering

Access to Document

10.1109/MWSYM.2005.1517075

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Cite this

Kim, W. T., & Yook, J. G. (2005). Thermal steady state in human head under continuous EM exposure. In 2005 IEEE MTT-S International Microwave Symposium Digest (pp. 1805-1808). [1517075] (IEEE MTT-S International Microwave Symposium Digest; Vol. 2005). https://doi.org/10.1109/MWSYM.2005.1517075

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title = "Thermal steady state in human head under continuous EM exposure",

abstract = "The bio-heat equation including the thermoregulatory systems is solved for an anatomically based model of the human head with a resolution of 3 × 3 × 3 mm. In order to study the capability of thermal homeostasis of numerical head model, the time to reach the thermal steady-state under continuous RF exposure has been examined with the variation of power of a half-wave dipole antenna operating at 835 MHz. When the distance between the head and the antenna is 12 mm and the maximum transmitted power of the antenna is 600 mW, the maximum temperature increase in the head and in the brain is about 0.5°C and 0.24°C, relatively. It is found that the transmitted power increases (0.6, 1.2, 2.4, 4.8, 9.6 and 19.2 W), the rise in temperature reaches steady state after about 20 minutes for all cases.",

author = "Kim, {Woo Tae} and Yook, {Jong Gwan}",

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Kim, WT & Yook, JG 2005, Thermal steady state in human head under continuous EM exposure. in 2005 IEEE MTT-S International Microwave Symposium Digest., 1517075, IEEE MTT-S International Microwave Symposium Digest, vol. 2005, pp. 1805-1808, 2005 IEEE MTT-S International Microwave Symposium, Long Beach, CA, United States, 05/6/12. https://doi.org/10.1109/MWSYM.2005.1517075

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AB - The bio-heat equation including the thermoregulatory systems is solved for an anatomically based model of the human head with a resolution of 3 × 3 × 3 mm. In order to study the capability of thermal homeostasis of numerical head model, the time to reach the thermal steady-state under continuous RF exposure has been examined with the variation of power of a half-wave dipole antenna operating at 835 MHz. When the distance between the head and the antenna is 12 mm and the maximum transmitted power of the antenna is 600 mW, the maximum temperature increase in the head and in the brain is about 0.5°C and 0.24°C, relatively. It is found that the transmitted power increases (0.6, 1.2, 2.4, 4.8, 9.6 and 19.2 W), the rise in temperature reaches steady state after about 20 minutes for all cases.

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