Colecția instituțională: Recent submissions

  • Process for drying beer yeasts with the application of the convention 
    ȚĂRNĂ, Ruslan; BALAN, Mihail (Romanian Inventors Forum, 2022)
    The invention relates to a process for drying brewer's yeast with the application of convection, and can be applied to enterprises in the food industry, in research laboratories and research centers related to the drying process.
  • AgroBot: Robotic system for crop maintenance 
    AXENTE, Ion; ABABII, Victor; SUDACEVSCHI, Viorica; MUNTEANU, Silvia (Romanian Inventors Forum, 2022)
    This elaboration is part of the field of Intelligent Agriculture, in particular it is intended for the development of autonomous plant protection and care systems. The system is developed on the basis of a Jetson Nano ...
  • Sensing performance of CuO/Cu2O/ZnO:Fe heterostructure coated with ultrathin hydrophobic polymer for battery application 
    ABABII, Nicolai; MAGARIU, Nicolae; LUPAN, Oleg (Romanian Inventors Forum, 2022)
    This study reports on a new type of gas sensor based on semiconductor oxides that is capable to solve the problem of the effect of high relative humidity on sensory performance with the possibility of application in the ...
  • Stabilizarea uleiurilor vegetale cu compuși biologic activi din surse regenerabile 
    POPOVICI, Violina (Universitatea Tehnică a Moldovei, 2022)
    Scopul lucrării: constă în elucidarea modificărilor chimice care au loc pe parcursul oxidării lipidice, stabilizarea uleiurilor vegetale și evaluarea impactului extractelor liposolubile asupra stabilității oxidative a ...
  • Optoelectronic properties of gallium nitride thin membranes 
    BRANISTE, Tudor; POPA, Veaceslav; VOLCIUC, Olesea; TIGINYANU, Ion (Romanian Academy, 2015)
    We present the results of a systematic study of persistent photoconductivity (PPC) generated by UV-excitation in thin membranes based on crystalline GaN. The PPC was found to be optically quenched under extrinsic excitation ...
  • TiO2 nanotubular structures for optoelectronic and photonic applications 
    ENACHI, Mihai; CIOBANU, Vladimir; SERGENTU, Vladimir; URSAKI, Veaceslav (Romanian Academy, 2015)
    We prove analytically that metallized TiO2 nanotubular structures are characterized by negative refractive index which opens the possibility for their use as cost-effective focusing elements. Flat and concave lenses assembled ...
  • Plasma based nanoparticle synthesis: from preparation to function 
    POLONSKYI, Oleksandr; VAHL, A.; DREWES, J.; HINZ, A.; STRUNSKUS, T.; ABABII, N.; REIMER, T.; CHEMNITZ, S.; LUPAN, O.; ADELUNG, R.; FAUPEL, F. (Sumy State University, 2018)
    In this paper, we report on a recent progress in formation and deposition of NPs by the gas aggregation method. Examples range from noble (Au, Ag), through reactive (Al) to more advanced core-shell nanostructures [4]. The ...
  • Optimizarea constructiv–funcțională a rotoarelor elicoidale cu ax vertical în vederea eficientizării conversiei energiei eoliene 
    RABEI, Ivan (Universitatea Tehnică a Moldovei, 2022)
    Scopul lucrării: Sporirea eficienței de conversie a rotoarelor elicoidale cu ax vertical prin optimizarea parametrilor geometrici. Obiectivele cercetării sânt: cercetarea profilurilor aerodinamice recomandate pentru ...
  • Instalaţie eoliană cu ax vertical 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; PORCESCU, Gavril; RABEI, Ion (Universitatea Tehnică din Cluj-Napoca, 2017)
    Pentru a mări eficienţa de conversie a energiei eoliene la viteze V=2...5 m/s a fost elaborat un organ de lucru nou bazat pe acţiunea combinată a turbinelor Darreus şi Savonius. Rotorul turbinei Darreus este legat cu ...
  • Instalație de conversie a energiei eoliene 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; GUȚU, Marin; RABEI, Ion; VACULENCO, Maxim; CIOBANU, Radu; CIOBANU, Oleg (Universitatea Tehnică din Cluj-Napoca, 2018)
    Invenţia se referă la sisteme de conversie a energiilor regenerabile, şi anume la instalaţii de conversie a energiei eoliene. Instalaţia de conversie a energiei eolienne include un turn, în care la diferite înălţimi ...
  • Wind energy conversion plant 
    BOSTAN, Viorel; BOSTAN, Ion; DULGHERU, Valeriu; GUȚU, Marin; RABEI, Ion; VACULENCO, Maxim; CIOBANU, Radu; CIOBANU, Oleg (Romanian Inventors Forum, 2018)
    The invention relates to renewable energy conversion systems, in particular to wind energy conversion devices. The wind energy conversion plant comprises a tower, in which at different heights H1=f(Vnom) and, respectively, ...
  • Turbină eoliană cu ax vertical 
    BOSTAN, Ion; BOSTAN, Viorel; DULGHERU, Valeriu; CIOBANU, Oleg; CIOBANU, Radu; GUŢU, Marin; RABEI, Ion; GRADÎȘ, Vitalie; ODAINÂI, Valeriu (Universitatea Tehnică din Cluj-Napoca, 2019)
    Turbina eoliană include un rotor cu ax vertical cu trei pale cu profil aerodynamic asimetric. Pentru a mări eficienţa de conversie a energiei eoliene palele sunt elicoidale și reglabile. Rotorul turbinei este legat cu ...
  • 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 ...
  • Pală pentru rotorul turbinei eoliene cu ax vertical 
    CIUPERCĂ, Rodion; RABEI, Ivan (Universitatea Tehnică din Cluj-Napoca, 2020)
    Invenția se referă la mașinile de conversie a energiei eoliene și anume la turbinele eoliene cu ax vertical în caz general și, în caz particular, la forma constructivă a profilului palelor rotorului turbinelor eoliene cu ...
  • 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 ...
  • Vertical Axis Wind Turbines: The Behavior of Lift and Drag Airfoils 
    BOSTAN, Viorel; BOSTAN, Ion; RABEI, Ivan; DULGHERU, Valeriu; CIUPERCA, Rodion (Springer International Publishing, 2019)
    The blade is the most important element of a wind turbine, as it is the component that largely governs the productivity and it is the main source of efficiency optimization. A blade is defined by the airfoil type. This ...
  • Numerical simulation of transient aerodynamic processes in the vertical axis wind turbine rotor 
    BOSTAN, Viorel; GUȚU, Marin; RABEI, Ion (Academia de Ştiinţe Tehnice din România, 2019)
    This paper describes the steps of elaboration of calculation model for dynamic simulation of a small vertical axis wind turbine rotor. The calculation model is based on the finite element analysis ANSYS CFX software. The ...
  • Senzor de etanol pe bază de oxid de cupru 
    ABABII, Nicolai; POSTICA, Vasile; TROFIM, Viorel; LUPAN, Oleg (Agenţia de Stat pentru Proprietatea Intelectuală, 2017-06-30)
    Invenţia se referă la tehnica electrică de măsurat, în particular la senzori de etanol pe baza nanofirelor de oxid de cupru, obţinute direct pe suprafaţa unui microfir de cupru. Senzorul de etanol pe bază de oxid de cupru ...
  • CuO/Cu2O Nanostructured Films for Gas Sensors 
    CRETU, Vasilii; ABABII, Nicolai; CHISTRUGA, Alexandru; MAGARIU, Nicolae; POSTICA, Vasile; LUPAN, Oleg (IEEE, 2019)
    The CuO/Cu 2 O nanostructured films were synthesized via a simple chemical solution based method (SCS). The morphological properties were investigated using a scanning electron microscope (SEM). The elaborated sensors based ...
  • Au-NPs/ZnO Single Nanowire Nanosensors for Health Care Applications 
    POSTICA, Vasile; CAVERS, Heather; ADELUNG, Rainer; PAUPORTÉ, Thierry; CHOW, Lee; LUPAN, Oleg (IEEE, 2020)
    Herein, the room temperature gas sensing properties of a device fabricatedbased on an individual gold nanoparticles (AuNPs)-functionalized zinc oxide nanowire (ZnO NW) is reported. The Au-NPs/ZnO nanowires were depositedusing ...

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