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The use of mobile phones in metallic enclosed environments such as elevators, train cars and even airplanes has attract a lot of attention in recent years. In these environments, most of the radio frequency (RF) energy from mobile phones remains inside due to the lack of escape routes, resulting in possibility of the field levels exceeding limits described in the international RF safety guidelines...
This paper investigated the analytical solution of the temperature elevation in one-dimensional human model due to millimeter wave exposure for parametric analysis. The analytical solution of the bioheat equation for the one-dimensional three-layer model has been derived using the Laplace transform. Temperature distribution obtained from the analytical solution is compared with those derived from...
We compared the SARs of the anatomically realistic model of a three-year-old child exposed to vertically and horizontally polarized electromagnetic waves in the frequency range from 30 MHz to 3 GHz with those of the uniform and nonuniform scaling models. We found that it is important to use the anatomically realistic model for highly precise simulation for three-year-old children.
The numerical dosimetry of women during pregnancy is an important issue in electromagnetic field safety. We had developed a whole-body numerical pregnant-woman model at 26-weeks' gestation. In this study, we developed pregnant-woman models that included the inherent tissues of pregnant women adjusted to the standard reference values at 12- and 20-weeks' gestation by deforming the existing pregnant-woman...
In this paper, the dosimetry for pregnant rats and their fetuses in an in vivo exposure setup is conducted by using the finite-difference time-domain (FDTD) method in conjunction with anatomically based pregnant rat models. The exposure setup has been developed for testing possible indirect biological effects on fetuses when the pregnant rats are exposed to 1.95- GHz digital cellular phones. As a...
Our previous study revealed that a dominant factor influencing the electromagnetic absorption in a human body for far field exposure at GHz bands is the body surface area. Based on this finding, we discussed the correlation between absorption cross section and body surface area of human for far-field exposure at 2 GHz. We employed an FDTD algorithm for a large-scale SAR (specific absorption rate)...
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