166 / 2019-03-16 18:03:57

Study Upon Specific Absorption Rate: Far Field Source Outside and Subject Inside the Building

EMF, Numerical Methods, SAR, Human Exposure, 3D Human Model, CST simulation

全体主题 > EMC Measurements

It is well known that the biological and health effects of electromagnetic fields (EMF) are an up to date theme and the associated impact should be taken into consideration. Aiming to estimate these biological effects, an essential item is the accurate estimation of the human exposure to different types of non-ionizing electromagnetic sources. The evaluation of human exposure is performed by determining the currents distributions inside the biological organs or tissues, modeling the different acting mechanisms and understanding the effects developed in living beings by various exposure scenarios. Radiofrequency field absorption in homogenous and heterogeneous biological tissues is computed by using analytical and/or numerical methods. In this paper we have determined by simulations with CST Suite Studio software, the values of specific absorption rate mediates on 10 grams of tissue , SAR Max (10 g), in case of a human body exposure to electromagnetic field generated by a far field source. Here proposed scenario involves the human body located inside the building, in empty room. We have used our previously developed human body 3D model having ellipsoidal cylinder geometry. The determined SAR values have been also compared with those recommended by the International Commission on Non-Ionizing Radiation Protection (ICNIRP) and IEEE Standards for Safety Levels (2005).