NDLI: Human head electromagnetic scattering

Content Provider	IEEE Xplore Digital Library
Author	Garcia-Fernandez, M.A. Valenzuela-Valdes, J.F. Sanchez-Hernandez, D.A.
Copyright Year	2009
Description	Author affiliation: EMITE Ing., Edificio CEEIM, Campus Espinardo, E-30100, Murcia, SPAIN (Valenzuela-Valdes, J.F.) \|\| Microwave, Radiocommunications and Electromagnetism Engineering Group (GIMRE), Technical University of Cartagena, Antiguo Cuartel de Antigones, Plaza del Hospital, 1, E-30202, SPAIN (Garcia-Fernandez, M.A.; Sanchez-Hernandez, D.A.)
Abstract	The rationale for deriving basic restrictions to electromagnetic field exposure and their associated safety margins is not fully standardized and diverse values are employed depending upon the thermal effect being considered. With the recent capabilities of modern computers, hybrid Maxwell's and heat-transfer equations have been solved for the human exposure to electromagnetic field problem. In this contribution, a human head is exposed to 125 mW of power at 1800 MHz (corresponding to a GSM-Power Class 1, divided by 8 slots of time). Peak SAR values along a coronal plane containing the Ear Reference Point, and its effects on temperature increase, have been observed. A matching effect and the skull being a protection for thermal stress due to intense electromagnetic field exposure have been confirmed, validating previous studies suggesting that a combined electromagnetic-thermal basic restrictions would represent more accurate safety limits, reducing the uncertainties for deriving the reference levels.
Starting Page	259
Ending Page	262
File Size	527194
Page Count	4
File Format	PDF
ISBN	9781424447534
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-03-23
Publisher Place	Germany
Access Restriction	Subscribed
Rights Holder	VDE
Subject Keyword	Temperature Biological effects of electromagnetic radiation dosimetry Humans Electromagnetic fields occupational health and safety Maxwell equations specific absorption rate (SAR) Electromagnetic heating Electromagnetic scattering Ear temperature Skull Safety Thermal stresses
Content Type	Text
Resource Type	Article

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