Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Sebastian Marian Zaharia"'
Publikováno v:
Nonconventional Technologies Review, Vol 27, Iss 3 (2023)
In this paper, a blade with unconventional structure, corrugations and BERP tip, used in UAV helicopters, was designed, analyzed and additively manufactured. Aerodynamically, the unconventional blade shows better performance compared to the conventio
Externí odkaz:
https://doaj.org/article/acc9223fbc8443e5a60902179ae1075f
Publikováno v:
Nonconventional Technologies Review, Vol 27, Iss 2 (2023)
Additive manufacturing (AM), also known as 3D printing, is a manufacturing process that produces three-dimensional products with complex geometries and shapes by depositing material. In this paper the aim was to manufacture an aircraft with an unconv
Externí odkaz:
https://doaj.org/article/808137e4164f454cb036d61ee3a0ab4b
Autor:
Mihai Alin Pop, Mihaela Cosnita, Cătălin Croitoru, Sebastian Marian Zaharia, Simona Matei, Cosmin Spîrchez
Publikováno v:
Polymers, Vol 15, Iss 11, p 2487 (2023)
The first part of this paper is dedicated to obtaining 3D-printed molds using poly lactic acid (PLA) incorporating specific patterns, which have the potential to serve as the foundation for sound-absorbing panels for various industries and aviation.
Externí odkaz:
https://doaj.org/article/b9be3003552445cc9213cdc2fd55c12e
Autor:
Sebastian Marian Zaharia, Mihai Alin Pop, Lucia-Antoneta Chicos, George Razvan Buican, Camil Lancea, Ionut Stelian Pascariu, Valentin-Marian Stamate
Publikováno v:
Polymers, Vol 14, Iss 14, p 2923 (2022)
Additive manufacturing, through the process of thermoplastic extrusion of filament, allows the manufacture of complex composite sandwich structures in a short time with low costs. This paper presents the design and fabrication by Fused Filament Fabri
Externí odkaz:
https://doaj.org/article/f42dd7d2f69049aa830b836fb4a97a64
Autor:
Mihai Alin Pop, Cătălin Croitoru, Tibor Bedo, Virgil Geamăn, Irinel Radomir, Aurel Crișan, Emmanuel Guillot, Ioan Miloșan, Sebastian Marian Zaharia, Lucia Antoaneta Chicoș
Publikováno v:
Materials, Vol 15, Iss 9, p 3324 (2022)
From a scientific point of view, heat transfer is different in solar furnaces compared with classical ones and the influence of direct concentrated solar radiation on sintered parts needs to be studied in detail to determine the feasibility of solar
Externí odkaz:
https://doaj.org/article/495694324ea84d4594a2a834007c1782
Publikováno v:
BioResources, Vol 12, Iss 2, Pp 2673-2689 (2017)
Balsa wood is a natural cellular material with an excellent resistance-to-weight ratio that is ideal for manufacturing the core of sandwich structures. In this study, sandwich specimens with a carbon-fiber-reinforced polymer (CFRP) skin and a balsa w
Externí odkaz:
https://doaj.org/article/aaab5e764a16423eb22d16bfbbbf2c24
Autor:
Sebastian Marian ZAHARIA
Publikováno v:
Scientific Bulletin of the ''Petru Maior" University of Tîrgu Mureș, Vol 12 (XXIX), Iss 2, Pp 26-30 (2015)
In this paper, it was described the analysis and simulation process using the CFD technique and the phenomena that shows up in the engineering aero-spatial practice, directing the studies of simulation for the air flows around sailplane. The analysis
Externí odkaz:
https://doaj.org/article/da612bc37b414f67b3e87beb27764c2d
Publikováno v:
Polymers, Vol 12, Iss 8, p 1740 (2020)
Material Extrusion-Based Additive Manufacturing Process (ME-AMP) via Fused Filament Fabrication (FFF) offers a higher geometric flexibility than conventional technologies to fabricate thermoplastic lightweight sandwich structures. This study used pol
Externí odkaz:
https://doaj.org/article/10af2df0952d4bc4a486f599ee7bf58c
Autor:
Mihai Alin Pop, Cătălin Croitoru, Tibor Bedo, Virgil Geamăn, Irinel Radomir, Sebastian Marian Zaharia, Lucia Antoaneta Chicoș
Publikováno v:
Polymers, Vol 12, Iss 5, p 1129 (2020)
The utilization of polymer-based materials is quickly expanding. The enterprises of today are progressively seeking techniques to supplant metal parts with polymer-based materials as a result of their light weight, simple support and modest costs. Th
Externí odkaz:
https://doaj.org/article/8f39eddd7e684895b8ffb04d9ef583b8
Publikováno v:
Metals, Vol 10, Iss 5, p 645 (2020)
In this study, lightweight sandwich structures with honeycomb cores are proposed and their mechanical properties are investigated through experiments and FEA (finite element analysis) simulation. Sandwich structures were fabricated out of Inconel 718
Externí odkaz:
https://doaj.org/article/2dee12fb8b524fb58fbf2439a8776576