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Full Description
The presence of electromagnetic fields in the environment has recently been linked with possible adverse health effects. Providing fundamental information gathered from the rapidly growing field of computational bioelectromagnetics, this book fills the need for a comprehensive text on the many aspects of interaction between human beings and electromagnetic fields.
Contents
Chapter 1 Electrosmog- Environmental Risk of Radiation Pollution General considerations; The electromagnetic frequency spectrum; Electrosmog or radiation pollution; The Effects of Low Frequency Fields; The Effects of High Frequency Fields; Remarks on electromagnetic fields and possible hazard to humans; References. Chapter 2 Sources of Electromagnetic Fields and Incident Field Dosimetry Fields from Overhead Power Lines; Field of VLF Transmitter; Radiation of GSM base station antennas; Radiation of a mobile phone; References. Chapter 3 Electromagnetic Modelling of the Human Body Equivalent antenna model of the human body; Frequency domain modelling of the human body; Exposure of humans to the transient electromagnetic fields; References. Chapter 4 Thermal Modelling of the Human Body Resonance effect; Thermal effects; Thermal response of the human body; The bio-heat transfer equation; The solution of the steady state equation via boundary element method; The solution of the transient equation via finite difference time domain method; Numerical results for a temperature rise in the human head; Chapter closure; References. Chapter 5 Coupling Mechanisms Between Electromagnetic Fields and the Human Body General considerations; Coupling to low-frequency electric fields; Coupling to low-frequency magnetic fields; Absorption of energy from electromagnetic radiation; Indirect coupling mechanisms; Bioeffects of extremely low frequency (ELF) fields; Bioeffects of radio frequency (RF) radiation; References. Chapter 6 Safety Standards and Exposure Limits Risk management approaches; Regulatory actions for ELF fields; Regulatory actions for RF fields; International radiation protection guidelines; Protective measures; References. Appendix - Fundamental Concepts in Electromagnetics The Lagrangian form of electromagnetic field laws; Maxwell equations; Integral form of Maxwell equations; The equation of continuity; Electromagnetic field energy, power flow in electromagnetics, Poyinting theorem; The electromagnetic wave equations; Boundary rules at discontinuities in material properties; The Electromagnetic potentials; Boundary rules for potential functions; Potential wave equations; Retarded potentials; General boundary conditions; Electric and magnetic walls; Complex phasor notation of time-harmonic fields; Plane wave propagation; Radiation.
