Zobrazeno 1 - 10
of 91
pro vyhledávání: '"Mariana Domnica STANCIU"'
Autor:
Mariana Domnica Stanciu, Mihaela Coșniță, Ghiorghe Vasile Gliga, Lidia Gurau, Maria Cristina Timar, Maria Violeta Guiman, Silviu Marian Năstac, Ioan Călin Roșca, Voichita Bucur, Florin Dinulică
Publikováno v:
Advanced Materials Interfaces, Vol 11, Iss 10, Pp n/a-n/a (2024)
Abstract The study investigates the effect of the type of varnish and the number of layers on some acoustic properties of the resonance spruce in combination with the changes produced in some physical, morphological, and chemical properties of wood.
Externí odkaz:
https://doaj.org/article/b985db157ce747f3acba31863a4e7c29
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
Publikováno v:
Applied Sciences, Vol 13, Iss 20, p 11428 (2023)
The mechanics, dynamics and acoustics of musical instruments concern scientists from different fields, such as physics, mechanics, acoustics, psychology, and music, as well as musical instrument manufacturers, who use these factors to not only unders
Externí odkaz:
https://doaj.org/article/9c5ac6987f87467e8aebe0366ee9dd2a
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
Autor:
Maria Violeta Guiman, Mariana Domnica Stanciu, Ioan Călin Roșca, Sergiu Valeriu Georgescu, Silviu Marian Năstac, Mihaela Câmpean
Publikováno v:
Materials, Vol 16, Iss 17, p 5998 (2023)
The purpose of the study was to analyze the influence of the quality class and the orthotropy of wood upon the sound absorption coefficient, the reflection and the impedance ratio of two species widely used for stringed musical instruments, namely sp
Externí odkaz:
https://doaj.org/article/bbded210633844d480a147b3b2aa7b53
Autor:
Lidia Gurău, Maria Cristina Timar, Camelia Coșereanu, Mihaela Cosnita, Mariana Domnica Stanciu
Publikováno v:
Polymers, Vol 15, Iss 7, p 1794 (2023)
The acoustic features of old resonance wood in violins exhibit a superior quality when compared to those from new resonance wood. This study focuses on an assessment of the sound quality of two types of wood for musical instruments, spruce and maple
Externí odkaz:
https://doaj.org/article/4bfba03e4d444dd688bbda1e34e4afbe
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
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:
Mariana Domnica Stanciu, Mihaela Cosnita, Constantin Nicolae Cretu, Horatiu Draghicescu Teodorescu, Mihai Trandafir
Publikováno v:
Materials, Vol 15, Iss 15, p 5192 (2022)
Music should be integrated into our daily activities due to its great effects on human holistic health, through its characteristics of melody, rhythm and harmony. Music orchestras use different instruments, with strings, bow, percussion, wind, keyboa
Externí odkaz:
https://doaj.org/article/635e898b58aa486395a0514e1d65e277
Autor:
Mariana Domnica Stanciu, Silviu Marian Nastac, Voichita Bucur, Mihai Trandafir, Gheorghe Dron, Alina Maria Nauncef
Publikováno v:
Applied Sciences, Vol 12, Iss 12, p 6275 (2022)
This paper addresses the experimental and numerical dynamic analysis of curved bars used as percussion musical instruments. These structures are known as triangles, being made of various metal materials. The study was based on the experimental analys
Externí odkaz:
https://doaj.org/article/6ebdab8b831e4b609c1b31c5f8635024