- Electromagnetic Fields and Biological Effects
- Wireless Body Area Networks
- Molecular Communication and Nanonetworks
- Lightning and Electromagnetic Phenomena
- Ocular and Laser Science Research
- Microwave Imaging and Scattering Analysis
- Smart Materials for Construction
- Virtual Reality Applications and Impacts
- Energy Harvesting in Wireless Networks
- Mechanical and Thermal Properties Analysis
- Augmented Reality Applications
- Electromagnetic Scattering and Analysis
- Renewable energy and sustainable power systems
- Electrical Contact Performance and Analysis
- Mobile Agent-Based Network Management
- Microfluidic and Bio-sensing Technologies
- Structural Engineering and Materials Analysis
- Mechanical Engineering Research and Applications
- Interactive and Immersive Displays
- Solar Radiation and Photovoltaics
- Thermal Radiation and Cooling Technologies
- Advanced Optical Imaging Technologies
- Sensor Technology and Measurement Systems
- IoT and Edge/Fog Computing
- Optical Imaging and Spectroscopy Techniques
University of Nis
2011-2024
University of Osijek
2020
Faculty (United Kingdom)
2020
European University
2016
DunavNET (Serbia)
2015
Institute of Occupational Safety
2013
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 describes a novel approach in engaging citizen communities based on serious gaming incorporating integration of the physical and digital worlds through aggregation Internet Things (IoT) service with Augmented Reality (AR) data visualization. The IoT is provided by ekoNET solution providing real-time monitoring air quality other atmospheric condition environmental data. Data visualization markerless AR methods optimized adapted for mobile platforms. Using these technologies we were...
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,...
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...
This work presents the advantages of ZRTP protocol when it is used for improvement safety multimedia sessions where one components a voice transmission, together with presentation possible software solutions.
The subject of the paper is a comparative analysis plate and grid electrode characteristic as an integral part grounding system. Analysis was performed in term resistances potential distribution above ground for both electrodes with same dimensions placed at depth. This research carried out vertically horizontally installed electrodes. In order to compare these types electrodes, Finite Element Method, Method Moments Equivalent Electrodes have been used. has done different values electrical...
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.
Projektovanje i realizacija uzemljivačkog sistema na način da zadovolje željene karakteristike neretko zahteva analizu uticaja nehomogenosti tla uzemljenja. Ponekada je moguće prisutnu nehomogenost aproksimirati kao vertikalni cilindrični domen. Takve su razne cevi, bunari ili temelji stubova. U ovom preglednom radu objedinjeni ranije izloženi rezultati primene postupka modelovanja pomoću višeslojnog cilindričnog domena. Pristup zasnovan primeni Metoda momenata odgovarajuće Grinove funkcije...
The purpose of this study was to determine the impact a titanium cranial implant on electric field distribution and amount energy absorbed from cell phone within human head. Three-dimensional lifelike models head mobile user, implant, smartphone model built. consisted sixteen homogeneous, isotropic domains, with permittivity conductivity parameters taken literature. Numerical calculations were performed at communication frequency 2600 MHz for without in order perturbation introduced by...
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.
This paper presents a study on the solar potential in south-west part of Romania based measurements carried out and published bythe Department Physical Foundations Engineering values provided by Station monitoring radiation at Faculty Physics from West University. Annual thermal is 1247 kWh/m2/year horizontal surface. Potential optimum tilted surface 1456 kWh/m2/year. Quantity heat produced one year 1 m2 inclined under angle; 1094 kWh/m² / year. Key words: irradiation, radiation, potential,...