Human Head Natural Protection Against Electromagnetic Fields

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URI: http://hdl.handle.net/10317/2454
ISSN: 2171-2042
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Author
García Fernández, Miguel Ángel; Valenzuela Valdés, Juan Francisco; Sánchez Hernández, David Agapito
Research Group
Microwave, Radiocommunications and Electromagnetism Engineering Group (GIMRE)
Sponsors
FUNDACIÓN SENECA. Plan de Ciencia y Tecnología de la Región de Murcia. Código: 05746/PI/07.
Publication date
2010
Publisher
Universidad Politécnica de Cartagena. Escuela Técnica Superior de Ingeniería de Telecomunicación.
Bibliographic Citation
GARCÍA FERNÁNDEZ, M. A.; VALENZUELA VALDÉS, J. F.; SÁNCHEZ HERNÁNDEZ, D. Human Head Natural Protection Against Electromagnetic Fields. En: Espacio-Teleco: revista de la ETSIT-UPCT, vol. 1. Cartagena: Universidad Politécnica de Cartagena, Escuela Técnica Superior de Ingeniería de Telecomunicación, 2010. p. 35-42
Keywords
Biological efects of electromagnetic radiation
Dosimetry
Occupational health and safety
Specific absorption rate (SAR)
Temperature
Abstract
In this paper we provide concluding evidence that the human skull acts as a dynamic barrier to electromagnetic fields (EMF) and temperature flow at 1800 MHz. This natural helmet e®ectively and dynamically protects brain tissue against safety-de¯ned threshold temperature increase due to external EMF induction. A half-wavelength dipole antenna has been employed as the EMF source. The human head is modelled by several coronal planes extracted from the Visible Human Project. Results described here have a great importance should thermal e®ects be directly used to derive basic restrictions to EM fields safety limits for human exposure.
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