Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Cătălin Pîrvu"'
Publikováno v:
Transylvanian Review of Administrative Sciences, Vol 20, Iss 72, Pp 121-136 (2024)
This article aims to investigate the jurisprudence of the Constitutional Court regarding the public administration reform in Romania. We take into consideration the motivation of the public authorities involved in the law-making process, as well as t
Externí odkaz:
https://doaj.org/article/0973703ffa064888b9fb025f54799f8a
Autor:
Ioana Gabriela Chiracu, George Ghiocel Ojoc, George Cătălin Cristea, Mihail Boțan, Alina Cantaragiu Ceoromila, Cătălin Pîrvu, Alexandru Viorel Vasiliu, Lorena Deleanu
Publikováno v:
Polymers, Vol 16, Iss 13, p 1925 (2024)
This paper presents experimental results from three-point bending tests for a composite made of quadriaxial glass fiber fabrics and an epoxy resin. Two composites were tested, one with 8 layers and the other with 16 layers; both had the same matrix (
Externí odkaz:
https://doaj.org/article/79a7c2d690fe41b195a8a9eb9be02e6e
Autor:
Iulian Păduraru, George Ghiocel Ojoc, Horia Petrescu, Iulia Graur, Cătălin Pîrvu, Lorena Deleanu
Publikováno v:
Polymers, Vol 15, Iss 23, p 4549 (2023)
This paper presents experimental results on the behavior of a class of glass fiber composites under low velocity impacts, in order to analyze their usage in designing low velocity impact-resistant components in car and marine industries. Also, a fini
Externí odkaz:
https://doaj.org/article/4cdf436bf96044078d110342ef8da533
Autor:
George Ghiocel Ojoc, Larisa Chiper Titire, Cristian Munteniță, Cătălin Pîrvu, Simona Sandu, Lorena Deleanu
Publikováno v:
Polymers, Vol 15, Iss 4, p 1039 (2023)
This paper presents the behavior of composite panels based on glass fiber unidirectional fabrics and a bi-component epoxy resin under ballistic impacts that characterize two threat levels: FB2 and FB3, according to EN 1523:2004. The tested panels had
Externí odkaz:
https://doaj.org/article/d3dbebc6f3a64bcb9118a36f0f6006df
Autor:
Cătălin Pîrvu, Lorena Deleanu
Publikováno v:
Polymers, Vol 13, Iss 17, p 2912 (2021)
The main objective of this study focuses on designing and testing body protection systems using advanced materials based on aramid fibers, for high impact speeds of up to 420 ± 10 m/s. Ballistic applications of aramid fiber-based composites mostly i
Externí odkaz:
https://doaj.org/article/f27cdec8722c477c99a342693aa35d85
Publikováno v:
Materials, Vol 13, Iss 24, p 5837 (2020)
This paper presents results from numerical and experimental investigation on Charpy tests in order to point out failure mechanisms and to evaluate new polymeric blends PP + PA6 + EPDM. Charpy tests were done for initial velocity of the impactor of 0.
Externí odkaz:
https://doaj.org/article/1a93bec113c148b2a0f4a8c026b52ebc
Autor:
Simona Alexandra Apostol, Cătălin Pîrvu, Ștefan Gabriel Burcea, Oana Matilda Sabie, Roxana Maria Brișcariu
Publikováno v:
ADMINISTRATIE SI MANAGEMENT PUBLIC. 1:40-57
The research aim was to analyse the relationship between emotional intelligence and performance of public sector employees, but we also looked at correlations between two dimensions of emotional intelligence and two particular dimensions which impact
Publikováno v:
INCAS Bulletin, Vol 14, Iss 4, Pp 95-109 (2022)
This paper presents experimental results and a failure analysis of a composite for ballistic protection. The stratified plate is manufactured at laboratory scale, after a technology designed by the authors. The plates were tested for level FB2, takin
Externí odkaz:
https://doaj.org/article/0c789a600c494284a573fc71cb05edf1
Publikováno v:
INCAS Bulletin, Vol 12, Iss 4, Pp 145-154 (2020)
This paper presents an analysis of two cases, simulating the impact of a cylindical projectile on a perfectly rigid plate. One case is run without friction, the second one is run taking into account a friction coeficient between the plate and the pro
Externí odkaz:
https://doaj.org/article/167fe28f07594cc8b29c4fcbf389413e
Publikováno v:
INCAS Bulletin, Vol 12, Iss 4, Pp 261-265 (2020)
Many re-entry bodies, even if they are debris or not, have nonlinear dynamic stability characteristics that produce oscillations in flight. The free-to-tumble techniques can be used to extract damping coefficient of specific body for planetary entry.
Externí odkaz:
https://doaj.org/article/50a428f9a8ea4bfdb710d0dbaeb248db