Zobrazeno 1 - 7
of 7
pro vyhledávání: '"Mihail Sima"'
Autor:
Mihaela Raluca CONDRUZ, Lucia Raluca VOICU, Cristian PUSCASU, Ionut Sebastian VINTILA, Mihail SIMA, Marius DEACONU, Luminita DRAGASANU
Publikováno v:
INCAS Bulletin, Vol 10, Iss 1, Pp 13-25 (2018)
This paper presents a study on advanced material designs suitable for lightweight space packaging structures. During this study, several material designs were proposed, evaluated and in the end three packaging structures were designed, manufactured a
Externí odkaz:
https://doaj.org/article/957c4855e6a9461e9981859dd8fab85d
Autor:
Dragos Mihai, Radu Mihalache, Gheorghe Megherelu, Alexandra Adiaconitei, Elena Cristina Paul, Emil Nutu, Mihail Sima, Ionut Florian Popa
Publikováno v:
Advances in Space Research. 69:1170-1197
The present paper addresses the development of a closing and sealing system for a container which shall safely bring 100 g of regolith from the surface of Phobos, one of the moons of Mars. Based on a set of requirements defined by the ESA (European S
Autor:
Radu Mihalache, Marius Deaconu, Ion Malael, Ionut Sebastian Vintila, Alexandru Tudorache, Mihail Sima, Dragos Mihai
Publikováno v:
Polymers
Volume 13
Issue 19
Polymers, Vol 13, Iss 3432, p 3432 (2021)
Volume 13
Issue 19
Polymers, Vol 13, Iss 3432, p 3432 (2021)
This paper presents an experimental investigation on using high strength-to-weight composite materials to reduce the mass of a centrifugal compressor impeller by 600%. By reducing the blades number from 17 to 7 and by doubling their thickness, the co
Publikováno v:
Materiale Plastice. 56:687-692
The extension of use of light advanced polymer composites from structural parts of an aircraft to all kinds of components of the engine is presently very limited by the knowledge of both technological development process and materials behaviour durin
Publikováno v:
International Journal of Turbo & Jet-Engines. 38:479-487
Pulse detonation engines work similar to pulsejets, with the major difference taking place in the combustion mechanism. Having detonation, instead of conventional combustion comes with certain benefits, but also, a couple of major issues which will b
Autor:
Alexandru Paraschiv, Florin Dumitru, Mihail Sima, Ionuț Sebastian Vintilă, Andreea Deutschlander, Mihaela Raluca Condruz
Publikováno v:
Key Engineering Materials. 779:3-10
The analysis of damage resulted from concentrated out-of-plane impact forces is a concern in case of fiber reinforced polymeric composite aerostructures. Thereby, it can be quantified in terms of resulting size/damage type by drop weight impact testi
Autor:
Felix Zavodnic, Constantin Sandu, Traian Tipa, Sebastian Vintila, Cristian Olariu, Mihail Sima
Publikováno v:
AIP Conference Proceedings.
In the aerospace industry the demand for very strong and light components is a permanent objective. Composites have been used in manufacturing of aircraft and turbofans for decades. This is happening due to the high strength and low density of carbon