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Research Activity (2000-Present)

  • 15 Research Grants obtained through National/International Competitions
  • 18 Research Projects with the Industry (TRANSGAZ Mediaș, ENERGOBIT Cluj-Napoca, ROMATSA, ELECTROVALCE Râmnicu Vâlcea, SERVELECT Cluj-Napoca, ELECTROMONTAJ Cluj-Napoca, TENARIS Zalau, BETA Bucharest, HITECH Oradea, PRIMOSAL Bucharest, ACTIV Bucharest, ZAHARUL Oradea, RATUC Cluj-Napoca, ELECTROPLUS Cluj-Napoca, ENERGOM Cluj-Napoca, POWER-DESIGN Cluj-Napoca)

Research Awards:

  • 🏆 2015 – Romanian Energy Awards – Awarding the Excellence in Romanian’s Energy Sector;
  • 🏆 2014 - Excellence Award of Technical University of Cluj-Napoca for researchers;
  • 🏆 2008 - Excellence Award of Technical University of Cluj-Napoca for young researchers
  • 🏆 2008 - 2nd Prize for Research Projects: "CEEX-DIRECTOR_136: Intelligent and active diagnosis and prediction of buildings with resistance structure in a complex polluted environment - DIRECTOR", awarded by the National Authority of Scientific Research

Main Research Projects:

H2020-EE-2014-CSA 649773: MENs - Meeting the energy professional skills

MENS is a project conceived in order to provide an enhance the NZEB (Near Zero Energy Buildings) skills of building managers such as engineers and architect through a series of accredited training activities developed by 9 universities and 3 market players. MENS aims: - To increase the knowledge and skills of at least 1800 building managers (engineers, architects) in NZEB design and construction, out of which 50% would be women or unemployed. – To create and implement a new education and training program for such professionals in 10 countries, under the European Qualifications Framework provisions and based on desired and common learning outcomes of Level 7. - To create and implement an innovative, interdisciplinary education and training program with an integrated approach, focusing on real case studies - To accredit courses using the formal procedure in each country and assign ECTS credits. - To enhance and support the development of a professional network in Europe specifically focused on retrofitting of housing stocks towards NZEB. - To connect with over 250,000 stakeholders and market players. - To provide working opportunities to unemployed professionals, by bringing them closer to possible employers and improving their qualifications, at a percentage of 30% of those attending.

Project PN-II-ID-PCE_1024

PN-II-ID-PCE_1024: Mathematical model to study the influence of AC electromagnetic pollution of underground metal gas pipelines, with or without a cathodic protection system, placed in the vicinity of transformer substations  (link)

In this project were developed some advanced analysis methods and numerical modelling dedicated tools, designed to identify and predict the electromagnetic AC interference problems. The generalized mathematical model was developed for a precise effects estimation of the inductive and conductive couplings in steady state on any metallic underground pipeline network (MUGP), which shares the same ROW with a high voltage power line (HVPL). It was developed some technical solution to decrease the corrosion phenomena in the electromagnetic environment by attenuation of the induced voltage levels in the MUGP. A set of theoretical and practical researches was conducted in order to design a device for protection and controlled suppression of induced currents in a MUGP by a HVPL that shares the same right-of-way. It was made a corrosion phenomenon monitoring through laboratory tests and functional simulations of a developed draining device, that can provide off-line data.

Project PN-II-RU-TE_253

PN-II-RU-TE_253: Modeling, prediction and design solutions, with maximum effectiveness, for reducing the impact of stray currents on underground metallic gas pipelines

Re-assessing some hypothesis, according to the last results in the field, represent the starting point in this project, in the effort of improving the methods, of solving interference problems between high voltage power lines (HVPL) and metallic underground gas pipelines (MUGP). It was developed a software package, InterfStud, for solving electromagnetic interference problems between HVPL and MUGP. The software evaluates the induced voltages and currents in pipelines which run in the same right of way with HVPL, using an equivalent electrical circuit model. The software can investigate the interference phenomena between HVPL and MP occurring in steady state (under normal operating conditions, symmetrical or non-symmetrical load phase conductors of the HVPL), respectively under fault conditions (single phase to earth fault, short circuit in power stations, etc.) if the fault appears far away from the common distribution corridor. The project uses artificial intelligence techniques to implement some new solutions for the HVPL - MUGP interference problems. The novelty consists in combining alternative solutions, based on artificial intelligence techniques, developed in a Main Fuzzy Bloc, that will identify the parameters that define specific functioning regimes (based on a set of laws) and will call the solutions that can solve a specific electromagnetic interference problem.


CEEX-ICEMECOS_X2C37: The impact of electromagnetic fields on anthropic ecosystems

The project made a comprehensive study of the interaction of electromagnetic fields with biological and economic interest systems: Experiments on corrosion phenomena in the presence of electromagnetic field; The study current density induced by varying electromagnetic fields in organic tissues; Evaluation of determining factors in metallic structures corrosion; Quantifying the impact of electromagnetic fields on studied ecosystems; Methods and procedures for limiting the harmful effects of corrosion; Validation of: corrosion experiments, field-tissue interaction effects and shielding effects; Quantifying the effects of corrosion, interaction and shielding; Impact assessment and methods of corrosion reducing; Implement solutions to reduce the corrosive effects; Demonstration of shielding effectiveness.

ROMATSA_3423: Electric and electronic equipment protection to overvoltage and electromagnetic pulses appeared in electrical cables, respectively voice and data circuits due to lightning at DSNA Cluj and DR Bucharest PNA/CNS Cluj division locations

Development of techniques for the electric and magnetic field synthesis regarding the reconstruction of the return stroke currents. Development of Fredholm integral models for the reconstruction of the return stroke currents; Advances on a regularization module for integral equations that correspond to the lightning phenomenon; Spatial and temporal reconstruction of the return current of the integral model with homogeneous soil and finite conductivity; Reconstruction of spatial distribution of return current from the field components measured or/ statistical - flat ground, existence of towers.

CEEX-MATELIZ_6856: Theoretical and experimental research on the behavior of insulating materials in order to develop diagnostic studies and intelligent prediction procedures

Development of intelligent diagnostics and prediction procedures and methodologies applied to electrical equipment and installations embedded with insulating materials, customized for underground cables.
      The development of numerical modeling methods for nonhomogeneous dielectrics used as electrical insulators in order to predict permittivity and dielectric losses; Numerical and experimental study of the dielectrics frequency behavior; Study of the electric field distribution in inhomogeneous dielectrics for experimenting fault prediction mechanism (electrical breakdown tests); Conducting polymer-based composite materials used as electrical insulators in insulation systems.

CEEX-DIRECTOR_136: Intelligent and active diagnosis and prediction of buildings with resistance structure in a complex polluted environment

Developing a complex method of investigating the degradation by corrosion of reinforced concrete structures - including historic structures and supporting elements of the energy infrastructure: method, prototype testing report - case studies.
     Determining correlations between environment factors intensity and the level of degradation of reinforced concrete, elements necessary in the diagnosis and prediction studies specific for the reinforced concrete structures related to energy system.
      Developing a methodology for calculating complex electrical disturbances in reinforced concrete structures due to both inductive couplings in ac from HVPL and electrified railway systems as well as from the urban electric traction in dc.

PN-II-PC-CABDIAG_22-122: Intelligent diagnosis and prediction system for preventing power cable damages

Development of a simulation and experimental model of the predictive diagnosis system for the medium and high voltage cables. Experimentation and proof of the system model functionality.
      Development of the predictive diagnosis system (prototype) of MV and HV at a “prototype” level, through experimental development. Laboratory verification of the predictive diagnosis system of MV and HV cables. Realisation / finalisation of the cables. Experimentation and verification of the predictive diagnosis system of MV and HV cables.

CNCSIS-AT_224: Optimized construction of electromagnetic devices based on electromagnetic field synthesis in inaccessible heterogeneous environments

Development of field synthesis numerical modelling tools applied to electrical circuits stability and synthesis, respectively electromagnetic field synthesis in non-homogeneous media.
      Development of a design synthesis by the first kind Fredholm integral regularization, and moreover by designing an inductive position sensor with an imposed characteristic. Development and implementation of a new synthesis method based on geometric inversion for parametric circuits. Stability testing of parametric circuits using the condition number. Development of a synthesis method for a device in electric and magnetic stationary state. Development of an original approach on the synthesis and stability of the electrical circuits, using Wielandt - Kantorovitch theorem. Elaboration of the theory of analytical field synthesis for electromagnetic devices in homogeneous and inhomogeneous media in a steady state and variable regime. Development of efficient algorithms for computing implementable methods in synthesis design of electromagnetic devices. Determination of the numerical model for electromagnetic device synthesis using field synthesis methods and Tikhonov regularization method.

CNCSIS – TD_33385: Optimized construction of electromagnetic devices based on electromagnetic field synthesis in inaccessible heterogeneous environments

The project implies the study of all the relevant results in the field of functional stimulation (electric and magnetic stimulation) of nerves fibbers, followed by investigations in order to create new improved mathematical models. A new software program was developed, based on these models, providing an efficient method for calculating the transmembrane potential on any point along the nerve fibre. The transmembrane potential is the key factor in the generation and propagation of the nervous impulse. The requirement for selective fibre activation was addressed by sugesting a new algorithm for coil design, that provides efficient control over the locus of excitation. The major importance of the functional stimulation method results directly from its practical applications.

PN-II-PC_51-082: Microwave technologies used to improve the quality of sored agricultural seeds

TDevelopment of the measurement system for the microwave energy generation and transport routes; Optimization of microwave - hot air processing mixed system; Microwave installation design and development in order to gather data on technological parameters for seed quality improvement.
      Experimental and functional model, laboratory technology, experimental and functional model simulation; Testing and experimentation of the microwave system for drying harvested seeds.

CNCSIS-AT_1279: The influence of electromagnetic fields on operational stability and performance of combustion installations

Starting from the idea to develop new control strategies, this research project is based on the idea to apply electromagnetic fields to a burning flame. For this purpose, we started from the results of recent experiments and preliminary studies realized by the research team on an experimental stall in the laboratory. The idea of this research project is to ingrain the turbulence with the help of a rotating electrostatic field, of high voltage, applied to the flame. The originality consists in applying an electrostatic field with a rotating direction. We observed the effect that this field has on the flame, a special attention being given to the flame stability and to the improvement of the burning process. Was elaborated a new experimental method, consisting in obtaining the field by means of 6 electrodes.