- Electromagnetic Fields and Biological Effects
- Wireless Body Area Networks
- Molecular Communication and Nanonetworks
- Noise Effects and Management
- Ocular and Laser Science Research
- Lightning and Electromagnetic Phenomena
- Energy Harvesting in Wireless Networks
- Microwave Imaging and Scattering Analysis
- Antenna Design and Optimization
- Wireless Power Transfer Systems
- Electromagnetic Simulation and Numerical Methods
- Superconducting and THz Device Technology
- Industrial and Mining Safety
- Optical Imaging and Spectroscopy Techniques
- Soil Moisture and Remote Sensing
- Advanced Optical Sensing Technologies
- Security, Politics, and Digital Transformation
- Fire Detection and Safety Systems
- Photoreceptor and optogenetics research
- Smart Materials for Construction
- Child Development and Digital Technology
- Optical and Acousto-Optic Technologies
- Electromagnetic Scattering and Analysis
- Physics and Engineering Research Articles
- Electromagnetic Compatibility and Measurements
University of Nis
2015-2025
European University
2016
Institute of Occupational Safety
2016
The primary objective of this investigation is to assess the influence a mandible implant on electric field distribution and specific absorption rate (SAR) within cell phone user’s head. procedure based numerically solving electromagnetic propagation equation. This an effective technique for assessment energy levels absorbed by organs inside In order accomplish this, realistic three-dimensional head, implant, mobile models are developed. frequency applied in simulations 2600 MHz. Electric...
This paper presents the distribution of electric field inside a human head as well around electromagnetic source, i.e. mobile phone. Specific Absorption Rate (SAR), which is obtained and thermal effect due to exposure from phone was presented. For this research two different models have been used. In first case parameters biological tissues were modeled with volumetric interpolation function that estimates characteristics given tissue while in second model layers The represent parts (skin,...
Background/Aim. A mobile phone is a source of electromagnetic radiation located close to the head and consequently its intense use may cause harmful effects particularly in younger population. The aim this study was investigate influence field on pituitary gland child. Methods. In order obtain more accurate results for research 3D realistic model child's whose size corresponds an average child (7 years old) created. Electric distribution values Specific Absorption Rate (SAR) at region were...
The frequent use of mobile phones in children causes public concern over possible harmful effects electromagnetic radiation. In this paper, a numerical analysis based on the finite element method has been performed order to assess absorbed EM energy child head originating from phone at 1.8 GHz and 2.1 GHz. A realistic model composed specially shaped parts with different characteristics corresponding seven-year-old developed for that purpose. results SAR (Specific Absorption Rate)...
Purpose The purpose of this paper is to determine the impact human age on distribution electric field and absorbed energy that originates from a mobile phone. Design/methodology/approach This research was performed for frequencies 900, 1800 2100 MHz, which are used in communication system. To obtain most accurate results, 3 D realistic model child’s head has been created whereby dimensions correspond seven-year-old child. Distribution specific absorption rate (SAR) through obtained by...
A comparison between results obtained using different calculation methods, simulations and experimental for grounding electrodes of same dimension characteristic is carried out in the paper. The procedures include Method Moments (MoM), Point Matching (PMM) standard equations design a system. Calculation grid system, vertical horizontal rod electrode was performed by point matching method. Obtained values are compared with simulation results. Simulations where COMSOL program package...
The subject of this paper is monitoring thermal effects on human head from mobile phones. In temperature distribution and SAR at surface close to source electromagnetic radiation are shown. Results simulation were compared with experimental results obtained imaging camera.
The aim of this study is a numerical analysis the electric field and specific absorption rate (SAR) distribution within realistic 3D‐human eye model exposed to electromagnetic (EM) wave virtual reality (VR) glasses at frequency third generation, long‐term evolution‐4G, latest generation mobile networks – 5G. To obtain values SAR, solution equations EM waves propagation has been used. A new head human created. obtained results are shown for different biological tissues radiation from VR...
Daily use of wireless devices, especially mobile phones, has caused great concern among the public about possible health effects electromagnetic radiation to which users these primarily children, are exposed. This paper summarizes habit using phones by children and teenagers its connection with harmful biological devices. describes procedure creating models adult child heads that used for numerical calculation field penetration absorbed energy. As we know, human body consists many different...
The aim of this study is to estimate the effects metal frame glasses on electric field distribution and Specific Absorption Rate (SAR) inside model a human head. numerical solution equations electromagnetic wave propagation has been used obtain values SAR in vicinity glasses, exposed cell phone radiation at frequency 3G mobile network. assessment these performed during conversation over phone. In order most accurate results, realistic 3D head, as well have created. For evaluating mentioned...
The influence of the mobile phone position on electromagnetic field distribution inside biological tissues user's head is discussed in paper. case voice transmission was simulated at frequency 0.8 GHz. Numerical models a child's and smartphone have been used. magnetic within for different positions considered.
The main aim of this study is the estimation electric field strength induced inside a human head due to exposure electromagnetic radiation mobile phone. Numerical calculations are performed using frequency 2600 MHz, characteristic 4G communication networks. Realistic 3D models phone, user’s and an actual smart phone have been created. modeled as highly non-homogeneous structure containing sixteen homogeneous domains parameters taken from literature. Our results show that values highest in...
Everyday use of mobile phones by children has significantly exposed them to electromagnetic radiation. This led public concern about potential adverse effects paper discusses the distribution magnetic field from a phone transmitting signals at frequencies 1.8 and 2.1 GHz through child head model. Human tissues organs are represented according their corresponding properties. These parameters depend on morphological composition signal frequency. The presents results for horizontal...
Children's everyday use of mobile phones exposes them to significant levels electromagnetic radiation, causing public concern over the potential adverse effects. This paper discusses magnetic field distribution from a phone at frequencies 0.9, 1.8, and 2.1 GHz through child head model. Human tissues organs are represented in terms their corresponding properties. The results for horizontal cross-section model three given presented paper.
Purpose The purpose of this paper is to determine the electric field and specific absorption rate (SAR) distribution within biological tissues in vicinity dental implants, exposed mobile phone radiation. Design/methodology/approach This research was performed for frequency 2.6 GHz, which corresponds 4G network. adequate 3D realistic numerical models user’s head, implants actual smartphone model are created using packages based on finite integral technique method. Findings obtained results...
An expression for the resistance of grounding electrode placed in homogeneous ground approximated by a finite number layers constant specific conductivity has been evaluated and proposed paper. The is obtained optimization procedure, based on processing data sets as result analysis which includes using Green’s function point source multilayered soil Method Moments. approach applied to characterization vertical three-layered soil. Key words: functions methods, Grounding, Optimization methods.