Browsing by Author "BOSTAN, Viorel"

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  • Adaptive Finite Element Solution of Variational Inequalities with Application in Contact Problems 
    BOSTAN, Viorel; HAN, Weimin (Springer Nature Switzerland, 2009)
    In this chapter, we perform a posteriori error analysis for the adaptive finite element solution of several variational inequalities, including elliptic variational inequalities of the second kind and corresponding quasistatic ...
  • Aeolian turbine with horisontal axle 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; DUMITRESCU, Cătălin; CIOBANU, Radu; CIOBANU, Oleg; GUŢU, Marin (Technical University "Gheorghe Asachi" of Iași, 2017)
    To increase the conversion efficiency of wind energy at speeds V=10-15 m/s a wind rotor with inclined blades has been designed.
  • Aeolian turbine with Vertical Axle 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; CIOBANU, Oleg; CIOBANU, Radu; GUŢU, Marin; RABEI, Ion; GRADÎȘ, Vitalie; ODAINÂI, Valeriu (Romanian Inventors Forum, 2019)
    The wind turbine includes a three-bladed vertical-axis rotor with asymmetrical aerodynamic profile. To increase the efficiency of conversion of wind energy, the blades are helical and adjustable. The turbine rotor is ...
  • Aeolian turbine with vertical axle 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; CIOBANU, Oleg; CIOBANU, Radu; GUȚU, Marin; RABEI, Ion; GRADÎȘ, Vitalie; ODAINÂI, Valeriu (Technical University "Gheorghe Asachi" of Iași, 2019)
    Turbina eoliană include un rotor cu ax vertical cu trei pale, cu profil aerodinamic asimetric. Pentru a crește eficiența conversiei energiei eoliene, palele sunt elicoidale și reglabile. Rotorul turbinei ...
  • Aeolian turbine with vertical axle 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; DUMITRESCU, Cătălin; CIOBANU, Radu; CIOBANU, Oleg; PORCESCU, Gavril; DUMITRESCU, Liliana (Technical University "Gheorghe Asachi" of Iași, 2018)
    Pentru a crește eficiența conversiei energiei eoliene la viteze V = 10-15 m / s a fost elaborat un rotor eolian cu pale înclinate și unghi de atac reglabil.
  • Aeolian-solar hybrid system for domestic water heating 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; DUMITRESCU, Cătălin; DUMITRESCU, Liliana (Romanian Inventors Forum, 2020)
    The invention relates to water heating systems, namely to heating water with wind and solar thermal energy. The problem that the invention solves is the widening of the technological possibilities, the increase of the ...
  • Aerodynamic efficiency enhancement for asymmetric profiles 
    BOSTAN, Viorel; GUŢU, Marin; ODAINÂI, Valeriu (EDP Sciences, 2009)
    This paper presents a solution for enhancement of aerodynamic efficiency for asymmetric airfoils. In order to increase the lift and reduce the drag forces for a blade segment, a groove was created on its surface. There ...
  • Aerodynamic wind rotor with vertical axis with variable angle of attack 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; CIUPERCĂ, Rodion; VACULENCO, Maxim; GUȚU, Marin; CIOBANU, Radu; CIOBANU, Oleg; ODAINÎI, Valeriu; GLADÂȘ, Vitalie; RABEI, Ion; PLATON, Andrei (Romanian Inventors Forum, 2020)
    The field of research refers to the creation of wind energy conversion devices, namely to the wind turbines with vertical axis. The wind turbine with vertical axis includes a tower on which a rotary shaft with blades with ...
  • Analiza cu elemente finite a materialelor compozite pentru construcţia palelor turbinelor eoliene 
    BOSTAN, Viorel; GUŢU, Marin (Institutul de Energetică al Academiei de Științe a Moldovei, 2012)
    Dat fiind faptul сă palele pentru turbine eoliene se construiesc din materiale compozite care sunt anizotrope, este necesară determinarea în prealabil a caracteristicilor mecanice a materialului obținut pentru a putea ...
  • Analytic description of teeth profile of gears with rollers ab and justification of precessional gear parameters selection a 
    BOSTAN, Ion; DULGHERU, Valeriu; BOSTAN, Viorel (Technical Sciences Academy of Romania, 2020)
    The engineering complex study of the triad “gear-technology-transmission” has permitted to elaborate a new type of mechanical transmission – planetary precessional transmissions with multicouple gear. In this paper, the ...
  • Analytical code sharing practices in biomedical research 
    SHARMA, Nitesh Kumar; AYYALA, Ram; DESHPANDE, Dhrithi; PATEL, Yesha; MUNTEANU, Viorel; CIORBA, Dumitru; BOSTAN, Viorel; FISCUTEAN, Andrada; VAHED, Mohammad; SARKAR, Aditya; GUO, Ruiwei; MOORE, Andrew; DARCI-MAHER, Nicholas; NOGOY, Nicole; ABEDALTHAGAFI, Malak; MANGUL, Serghei (PeerJ Inc., 2024)
    Data-driven computational analysis is becoming increasingly important in biomedical research, as the amount of data being generated continues to grow. However, the lack of practices of sharing research outputs, such as ...
  • Architecture of the ground stations – satellites communication network 
    BOSTAN, Ion; PISO, Ioan-Marius; BOSTAN, Viorel; BADEA, Alexandru; SECRIERU, Nicolae; TRUSCULESCU, Marius; CANDRAMAN, Sergiu; MARGARINT, Andrei (Technical University of Moldova, 2016)
    This paper reflects the vision of the authors on the prospects of international cooperation in the field of satellite technologies, which are developing rapidly with a spectacular expansion in various areas of scientific, ...
  • Argumentation of the hydrodynamic profile of the micro-hydro powerstation rotor’s blades 
    BOSTAN, Viorel (Technical University of Moldova, 2011)
    Research and elaboration of the systems for conversion of renewable energy sources (RSE) as a research objective presents great interest and importance. A new design and functional concept of a micro-hydro power station ...
  • Argumentation of the Optimal Hydrodynamic Profile of Blades of the Flow Microhydrostation Rotor’s 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; CIOBANU, Oleg; CIOBANU, Radu; CHIRIŢĂ, Polifron (Institutul de Cercetari pentru Hidraulica si Pneumatica, Bucureşti, 2018)
    Insistent searches of authors have led to the design and licensing of some advanced technical solutions for outflow micro hydroelectric power plants. They are based on the hydrodynamic effect, generated by the hydrodynamic ...
  • Arhitectura rețelei stațiilor terestre de comunicații cu sateliți 
    BOSTAN, Ion; PISO, Ioan-Marius; BOSTAN, Viorel; BADEA, Alexandru; SECRIERU, Nicolae; TRUSCULESCU, Marius; CANDRAMAN, Sergiu; MARGARINT, Andrei; MELNIC, Vladimir (Academia de Științe a Moldovei, 2016)
    Acest articol reflectă viziunea autorilor asupra perspectivelor cooperării internaționale în domeniul tehnologiilor satelitare, care se dezvoltă vertiginos cu o extindere spectaculoasă în diverse domenii de interes științific, ...
  • Artificial intelligence in Smart cities for citizens: Trends, challenges, and promises. A bibliometric text mining analysis 
    NĂSTASĂ, Anamaria; ROSNER, Daniel; BOSTAN, Viorel (IEEE (Institute of Electrical and Electronics Engineers), 2025)
    Over the last decade, cities have become increasingly digitalized with the adoption of Artificial Intelligence (AI) technologies. While these changes encompass economic, technological, and infrastructure transformation, ...
  • Autonomous integrated irrigation systems based on photovoltaic installations 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; SOBOR, Ion; SECRIERU, Nicolae; VACULENCO, Maxim; CIOBANU, Radu; CIOBANU, Oleg; GANGAN, Sergiu; GLADÎȘ, Vitalie; CANDRAMAN, Sergiu; MARGARINT, Andrei; ILCO, Valentin; LEVINEȚ, Nicolae (Romanian Inventors Forum, 2018)
    The autonomous micro-irrigation system integrated with photovoltaic plants is based on a group of inventions and includes a solar installation with a mechanism of orientation of a group of photovoltaic panels and an ...
  • Biaxial orientation system of a photovoltaic panel 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; SOBOR, Ion; SECRIERU, Nicolae; VACULENCO, Maxim; CIOBANU, Radu; CIOBANU, Oleg; GANGAN, Sergiu; GLADÎ, Vitalie; CANDRAMAN, Sergiu; MARGARINT, Andrei; ILCO, Valentin; LEVINE, Nicolae (Technical University "Gheorghe Asachi" of Iași, 2018)
    Sistemul autonom de microirigare integrat cu panouri fotovoltaice se bazează pe un grup de invenții şi include o instalație solară cu un mecanism de orientare a unui grup de panouri fotovoltaice şi un sistem ...
  • Center for communication and monitoring of educational satellites 
    ILCO, Valentin; MELNIC, Vladimir; MARTINIUC, Alexei; VARZARU, Vlad; BOSTAN, Ion; BOSTAN, Viorel; SECRIERU, Nicolae (Technical University "Gheorghe Asachi" of Iași, 2021)
    Stațiile terestre de comunicare cu sateliții sunt de obicei restrânse pentru comunicarea cu anumiți sateliți, prin prisma componentelor hardware implementate. Versitalitea stațiilor, mai ales pentru sateliți ...
  • Centrală hidraulică flotantă 
    BOSTAN, Viorel; CIOBANU, Oleg; DULGHERU, Valeriu; SOCHIREANU, Anatol (Agenția de Stat pentru Proprietatea Intelectuală a Republicii Moldova, 2013-02-28)
    Invenţia se referă la o centrală hidraulică flotantă cu rotor vertical şi este destinată producerii energiei mecanice şi electrice în gospodăriile individuale săteşti pentru irigarea câmpurilor amplasate în vecinătatea ...

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