Zobrazeno 1 - 10
of 81
pro vyhledávání: '"Valentin PETRESCU"'
Autor:
Mihnea Gall, Valeriu Drăgan, Oana Dumitrescu, Emilia Georgiana Prisăcariu, Mihaela Raluca Condruz, Alexandru Paraschiv, Valentin Petrescu, Mihai Vlăduț
Publikováno v:
Journal of Manufacturing and Materials Processing, Vol 8, Iss 5, p 201 (2024)
Understanding shock wave behavior in supersonic flow environments is critical for optimizing the aerodynamic performance of turbomachinery components. This study introduces a novel transonic linear cascade design, focusing on advanced blade manufactu
Externí odkaz:
https://doaj.org/article/b9588ddfe7c240c7b47c5be675e48be9
Autor:
Valentin PETRESCU
Publikováno v:
Bulletin of "Carol I" National Defense University, Vol 10, Iss 2 (2021)
The Contemporary Eastern European operational environment is a complex system of actors, weapons and weapon systems, circumstances and conditions that manifest themselves in well-defined areas and that can directly influence decisions to use military
Externí odkaz:
https://doaj.org/article/298f3745d0d24ae393ff5997f2798eee
Autor:
Valentin PETRESCU, Ion BĂLĂCEANU
Publikováno v:
Bulletin of "Carol I" National Defense University, Vol 9, Iss 3 (2020)
The threat posed by the proliferation of ballistic and cruise missiles to NATO states and forces in Europe has become an intensely debated topic recently, especially amid the US exit from the Nuclear Forces Treaty and the relaunch of a new arms race
Externí odkaz:
https://doaj.org/article/11e65936975945689cdefb60d8a45ed9
Autor:
Oana CHIVU, Claudiu BABIS, Andrei DIMITRESCU, Anamaria FEIER, Augustin SEMENESCU, Olivia Doina NEGOIȚĂ, Valentin PETRESCU, Marilena GHEORGHE
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1, Iss 21, Pp 339-344 (2018)
The need to reduce and avoid occupational hazards by improving the working environment and, implicitly, noise is required for social and economic reasons and is a global challenge today. All turning machines induce hazards due to rotating cutting t
Externí odkaz:
https://doaj.org/article/8ccefb3d798b474baacb8ccb22ad10f9
Autor:
Alina Maria Gligor, Valentin Petrescu
Publikováno v:
Annals of the Oradea University: Fascicle Management and Technological Engineering, Vol Volume XXVII (XVII), 2018/1, Iss 1 (2018)
Externí odkaz:
https://doaj.org/article/9db6bd63216b4bfb85036806fd02599d
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-suppl, Iss 1, Pp 30-36 (2015)
The paper presents research on process optimization of metal spraying activated ultrasonic fields. In order to optimize process parameters are selected metal spraying flame and flame wire electrode with and without ultrasonic activation. It then ma
Externí odkaz:
https://doaj.org/article/ed55d8394807460b837eaba2e3367dc0
Publikováno v:
Fiabilitate şi Durabilitate, Vol 1-Suppl, Iss 1, Pp 67-74 (2014)
The plating by welding of steel with a high carbon content can occur in the heat affected area a hardening of the material. In this paper we analyzed weld plating of 5 steels with high carbon content considering the heat affected zone where it can
Externí odkaz:
https://doaj.org/article/9258f95fa0de41e098cb360950bfaa45
Publikováno v:
INCAS Bulletin, Vol 4, Iss 4, Pp 151-159 (2012)
Screw compressors, which are part of positive displacement compressors, can find an increasing use in gas industry and beyond due to their advantages. Maximal parameters of these devices, done by Comoti under GHH-Rand license stop at a maximum flow o
Externí odkaz:
https://doaj.org/article/12241c20d4c34546b3a24a44752d4b65
Publikováno v:
2023 13th International Symposium on Advanced Topics in Electrical Engineering (ATEE).
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::b463ff3965c3946f35595a46a2d6c064
https://doi.org/10.1109/atee58038.2023.10108390
https://doi.org/10.1109/atee58038.2023.10108390
Autor:
Ruxandra Malina Petrescu-Mag, Dacinia Crina Petrescu, Octavian-Liviu Muntean, Ioan Valentin Petrescu-Mag, Ancuta Radu Tenter, Hossein Azadi
Publikováno v:
Local Environment. 27:229-250
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0179892c00f9c5f361d239baf7ea1f7e
https://doi.org/10.1080/13549839.2022.2033966
https://doi.org/10.1080/13549839.2022.2033966