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Razvan Daniel Zota, Ionu? Alexandru Cîmpeanu, Denis Alexandru Dragomir and Mihai Adrian Lungu
Sustainable development, smart waste management, and circular economy principles are paramount to the significant worldwide trend of smart city-related research and projects. The basic hypothesis of our research is that artificial intelligence (AI)-based...
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Haojie Zhu, Mou Chen, Zengliang Han and Mihai Lungu
This paper concerns the fire-control command calculation (FCCC) of an unmanned autonomous helicopter (UAH). It determines the final effect of the UAH attack. Although many different FCCC methods have been proposed for finding optimal or near-optimal fire...
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Adrian Lungu
A thorough numerical introspection for assessing the particular issues of large flow separations around a submersible hull by using various turbulence models is described. The generic Defense Advanced Research Projects Agency (DARPA hereafter) Suboff hul...
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Paul Dinca, Cornel Staicu, Corneliu Porosnicu, Bogdan Butoi, Oana Gloria Pompilian, Ana Maria Banici, Flaviu Baiasu, Ion Burducea and Cristian P. Lungu
Formation of Be-W mixed layers in thermonuclear fusion reactors can potentially alter the retention of hydrogen isotopes and affect the retention and release properties of these isotopes. This paper reports on the retention and release characteristics of...
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Adrian Lungu
The hydrodynamic effect exerted by a nozzle placed in front of a KP505 propeller on the propulsive performances is studied by using extensive numerical simulations. The influence of a NACA 0015 nozzle with a chord length of 0.3 of the propeller diameter,...
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Adrian Lungu
The paper describes an investigation of the hydrodynamic performances of a five-bladed controllable pitch propeller, whose geometry was provided by Schiffbau-Versuchsanstalt (SVA) Potsdam GmbH Model Basin. Both cavitating and non-cavitating regimes are n...
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Marin Micutz, Rodica Mihaela Lungu, Viorel Circu, Monica Ilis and Teodora Staicu
Hydrogels containing both carboxyl and hydroxyl functional groups have been prepared by ?-irradiation of either aqueous solutions of acrylic acid (AA) and mixtures of AA and 2-hydroxyethyl methacrylate (HEMA) in different ratios, or aqueous solutions of ...
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Adrian Lungu
The scale effect on the accuracy of a numerical simulation in ship hydrodynamics represents an important issue of the propeller numerical analysis. To grasp a better understanding on the influence of this effect, an introspection on the performances of a...
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Nathan Chilukwa and Richard Lungu
Rutting is one of the most common distresses in asphalt pavements in Zambia. The problem is particularly prevalent at intersections, bus stops, railway crossings, police checkpoints, climbing lanes and other heavily loaded sections, where there is decele...
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Emilia Ciupan, Cornel Ciupan, Emilia-Maria Câmpean, Lucia Stelea, Cecilia-Elena Policsek, Florin Lungu and Daniela-Corina Jucan
Wood is used as a raw material in various industries, including the production of furniture, which puts pressure on the exploitation of the forests and the continuous reduction of their surfaces, with undesirable effects on the environment. The paper pro...
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