Zobrazeno 1 - 10
of 145
pro vyhledávání: '"Adriana Savin"'
Autor:
Dagmar Faktorová, Mariana Domnica Stanciu, Michal Krbata, Adriana Savin, Marcel Kohutiar, Milan Chlada, Silviu Marian Năstac
Publikováno v:
Polymers, Vol 16, Iss 6, p 753 (2024)
The objective of the study was to analyze the influence of coating treatments on sound propagation speeds in thin boards, along the longitudinal and radial directions of resonance wood. The samples studied were thin boards made of spruce and maple wo
Externí odkaz:
https://doaj.org/article/e156cc93b8f3427fbf3c64b1fc134cb6
Autor:
Silviu Mihai Petrișor, Adriana Savin, Mariana Domnica Stanciu, Zdenek Prevorovsky, Marian Soare, František Nový, Rozina Steigmann
Publikováno v:
Materials, Vol 16, Iss 19, p 6383 (2023)
The method of making parts through additive manufacturing (AM) is becoming more and more widespread due to the possibility of the direct manufacturing of components with complex geometries. However, the technology’s capacity is limited by the appea
Externí odkaz:
https://doaj.org/article/9c1eb6ff5f734a618cb30a48f5d04da9
Publikováno v:
Forests, Vol 14, Iss 2, p 197 (2023)
The wood used in the construction of musical instruments is carefully selected, being the best quality wood from the point of view of the wood structure. However, depending on the anatomical characteristics of the wood, the resonance of wood is class
Externí odkaz:
https://doaj.org/article/165771a4b8ae4c61ac2aab10df99c55e
Publikováno v:
Micromachines, Vol 13, Iss 11, p 1997 (2022)
Two structures (Ag/ZnO/ITI/glass: #1 sample and Ag/ZnO/SiO2/Si: #2 sample) are investigated, on the one hand, from the point of view of the formation of evanescent waves in the gratings of metal strips on the structures when the incident TEz wave in
Externí odkaz:
https://doaj.org/article/842d7cf823e84e8f936ee62bb55bcd2b
Autor:
Ionuț Mititelu, Silviu Mihai Petrișor, Adriana Savin, Roman Šturm, Zoran Bergant, Rozina Steigmann, Mariana Domnica Stanciu, Paul Doru Bârsănescu
Publikováno v:
Polymers, Vol 14, Iss 21, p 4507 (2022)
Methods to predict the fracture of thin carbon fibre-reinforced polymers (CFRPs) under load are of great interest in the automotive industry. The manufacturing of composites involves a high risk of defect occurrence, and the identification of those t
Externí odkaz:
https://doaj.org/article/a39dc500496b4e36996b9171f0faa619
Autor:
Mircea Mihălcică, Mariana Domnica Stanciu, Silviu Marian Nastac, Florin Dinulică, Alina Maria Nauncef, Ioan Călin Roșca, Adriana Savin
Publikováno v:
Applied Sciences, Vol 11, Iss 23, p 11297 (2021)
The paper aims to investigate old and new violins from the perspective of the correlation between the anatomical structure of spruce and maple wood, and the dynamic response of violins. Thus, in the first stage, for each violin, the characteristics o
Externí odkaz:
https://doaj.org/article/32e27aa18aef4ef29e2aed9d29ed7f75
Publikováno v:
Remote Sensing, Vol 13, Iss 17, p 3494 (2021)
Ground-penetrating radar (GPR) has become one of the key technologies in subsurface sensing and, in general, in nondestructive testing (NDT), since it is able to detect both metallic and nonmetallic targets. GPR has proven its ability to work in elec
Externí odkaz:
https://doaj.org/article/a26ff8d5cfd04f4c91316e94e1ba9417
Publikováno v:
Forests, Vol 12, Iss 8, p 1122 (2021)
This paper deals with the acoustic and elastic properties of resonant wood, classified into four classes, according to the classification of wood quality by the manufacturers of musical instruments. Traditionally, the quality grades of resonant wood
Externí odkaz:
https://doaj.org/article/5a311e472dd746e3af2347baedcdf0a9
Publikováno v:
European Journal of Materials Science and Engineering, Vol 2, Iss 1, Pp 9-16 (2017)
In the paper we describe a new approach to the dielectric properties of dielectric material investigation with implementation of artificial metamaterial structure over the aperture of waveguide sensor in order to increase the sensing properties of cl
Externí odkaz:
https://doaj.org/article/e0a0c37aed66494d83e8eb89ff5e62cc
Publikováno v:
Pro Ligno, Vol 11, Iss 4, Pp 157-164 (2015)
This paper presents the results of numerical analysis of stress and strain states which develop in wind turbine blades, modeled from various lignocellulosic composites. A blade structure type NACA 44XX with length 1.5m, power of 2.5kW and a rotatio
Externí odkaz:
https://doaj.org/article/df742603f6e3493e806db6516367dfc8