Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Ildiko Brînaș"'
Publikováno v:
Annals of the University of Petroşani. Mechanical Engineering, Vol 25, Pp 17-32 (2024)
The shield of the SMA-2 utilizes a quadrilateral mechanism with a corner cylinder generating a lemniscate. The synthesis of the quadrilateral mechanism, its geometric and kinematic analysis in correlation with the geometry and kinematics of the entir
Externí odkaz:
https://doaj.org/article/ff19dcd4ed494437bbac5d7af67131c4
Publikováno v:
Annals of the University of Petroşani. Mechanical Engineering, Vol 25, Pp 59-70 (2024)
In the paper, we addressed the simulation and numerical modeling of deformation under static loading of wire ropes used in mine hoisting installations. We presented the main types of extraction vessels (cages and skips) commonly used in the mining in
Externí odkaz:
https://doaj.org/article/45844963866946c79a6b617e1452f2a9
Autor:
Andrei Andras, Florin Dumitru Popescu, Sorin Mihai Radu, Dragos Pasculescu, Ildiko Brinas, Mirela Ancuta Radu, Daniela (Furdui) Peagu
Publikováno v:
Applied Sciences, Vol 14, Iss 10, p 4026 (2024)
Electrical contacts are important circuit components with diverse industrial applications, and their failure can lead to multiple unwanted effects. Hence, the behavior of electrical contacts is a widely studied topic in the scientific literature base
Externí odkaz:
https://doaj.org/article/ea192a0069fd4830be2692852a07638d
Autor:
Florin Dumitru Popescu, Sorin Mihai Radu, Andrei Andras, Ildiko Brinas, Mihaela-Olga Marita, Mirela Ancuta Radu, Constantin Laurentiu Brinas
Publikováno v:
Applied Sciences, Vol 14, Iss 1, p 268 (2023)
Anthropogenic activities related to mining generate both progress and a vast amount of waste that is responsible for environmental degradation. The Jiu Valley is one of the areas of Romania where mining has affected large areas of land, used to build
Externí odkaz:
https://doaj.org/article/c6f59289626c48bfaaaa07caa183c38f
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science, Vol 45, Iss 2, Pp 11-15 (2022)
The interactive method presented in the paper, allows the calculation of maximum efficiency indicators (organic yields) of the processing and operational control of the actual processing process. It also allows the correlation of the technological pa
Externí odkaz:
https://doaj.org/article/d238dba7143f43a781abcbbbc2196fec
Autor:
Sorin Mihai Radu, Florin Dumitru Popescu, Andrei Andraș, Zoltán Virág, Ildiko Brînaș, Manuel-Ionuț Draica
Publikováno v:
Materials, Vol 15, Iss 19, p 6558 (2022)
In this study, the fatigue usage factors for Findley and Matake stress-based criteria were determined in the case of an MK5×2 mine hoist drum brake system subjected to cyclic maneuver braking. The study was conducted for this type of brake system, b
Externí odkaz:
https://doaj.org/article/c82aa68139b247f5abe6b614f7bc9649
Autor:
Florin Dumitru Popescu, Sorin Mihai Radu, Andrei Andraș, Ildiko Brînaș, Daniela Ioana Budilică, Valentin Popescu
Publikováno v:
Materials, Vol 15, Iss 9, p 3363 (2022)
This paper studies both the thermal and mechanical behavior of brake system models in the case of the emergency braking of a mine hoist model. Using a step-by-step approach inspired by studies conducted on small brake systems with high rotation speed
Externí odkaz:
https://doaj.org/article/7ac0b59619654a10a0499ea932fc870e
Autor:
Andrei Andraș, Sorin Mihai Radu, Ildiko Brînaș, Florin Dumitru Popescu, Daniela Ioana Budilică, Eva Biro Korozsi
Publikováno v:
Materials, Vol 14, Iss 24, p 7897 (2021)
Breakdown of stackers and excavators in opencast mines is possible because of operating, manufacturing and structural causes, and it produces high financial losses. These can be prevented by using various measures, including analyses and strength tes
Externí odkaz:
https://doaj.org/article/a9c13056c86c4d9f9aedab750aa2fed4
Autor:
Ildiko Brînaș, Andrei Andraș, Sorin Mihai Radu, Florin Dumitru Popescu, Iosif Andraș, Bogdan Ioan Marc, Alexandru Robert Cioclu
Publikováno v:
Energies, Vol 14, Iss 13, p 3892 (2021)
Starting from the general principles of material cutting, with applicability to coal and overburden excavation using bucket wheel excavators (BWEs), this paper proposes another method for calculating the drive power of the bucket wheel excavator by c
Externí odkaz:
https://doaj.org/article/987843d959f147adbf0121f11ad012d6
Publikováno v:
The Annals of “Dunarea de Jos” University of Galati. Fascicle IX, Metallurgy and Materials Science. 45:11-15
The interactive method presented in the paper, allows the calculation of maximum efficiency indicators (organic yields) of the processing and operational control of the actual processing process. It also allows the correlation of the technological pa
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4988b00ed35e5475f7b376467e98c09e
https://doi.org/10.35219/mms.2022.2.02
https://doi.org/10.35219/mms.2022.2.02