Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Alexandru-Iulian ONEL"'
Publikováno v:
INCAS Bulletin, Vol 14, Iss 1, Pp 79-96 (2022)
The paper presents the influence of the main design requirements on the optimal two-stage small launcher configuration. The influence of target orbit altitude, payload mass, typical missions, and the type of liquid propellant (oxidizer - fuel pair) u
Externí odkaz:
https://doaj.org/article/a5b3b6fb90de46e0b59200f252e9edbd
Publikováno v:
INCAS Bulletin, Vol 12, Iss 3, Pp 137-150 (2020)
The paper presents mathematical models that can be used to quickly define preliminary key aspects regarding the sizing and weight characteristics of studied small launchers. The tool developed based on the proposed mathematical models can be used for
Externí odkaz:
https://doaj.org/article/5d2757019ba44137abdd4cc7c4ed3640
Publikováno v:
INCAS Bulletin, Vol 12, Iss 2, Pp 117-132 (2020)
The paper presents a mathematical model that can be used to quickly define a nominal trajectory for the studied small launcher configuration. The tool developed based on the proposed mathematical model can be used separately for trajectory assessment
Externí odkaz:
https://doaj.org/article/eb6239949a3d4cfb9f1157bf8e8f9336
Publikováno v:
INCAS Bulletin, Vol 12, Iss 1, Pp 135-144 (2020)
The paper presents a fast mathematical model that can be used to quickly assess the aerodynamic force coefficients of axisymmetric launchers as functions of Mach number and angle of attack. The tool developed based on the proposed mathematical model
Externí odkaz:
https://doaj.org/article/50655cb64a9f43688a8097715855be05
Autor:
Alexandru-Iulian ONEL, Oana-Iuliana POPESCU, Ana-Maria NECULAESCU, Tudorel-Petronel AFILIPOAE, Teodor-Viorel CHELARU
Publikováno v:
INCAS Bulletin, Vol 11, Iss 3, Pp 135-145 (2019)
The paper presents a fast mathematical model that can be used to quickly asses the propulsive characteristics of liquid propelled rocket engines. The main propulsive parameters are computed using combustion surfaces obtained after a nonlinear data fi
Externí odkaz:
https://doaj.org/article/926f5d3361d0463bbbd5af4cfc918114
Publikováno v:
INCAS Bulletin, Vol 10, Iss 4, Pp 103-116 (2018)
The purpose of this paper is to present a fast mathematical model that can be used to quickly asses the drag coefficient for generic launcher configurations. The tool developed based on this mathematical model can be used separately or it can be inte
Externí odkaz:
https://doaj.org/article/ea5199fbd7634af0972cbc852ae3c821
Publikováno v:
INCAS Bulletin, Vol 10, Iss 3, Pp 127-138 (2018)
The paper focuses on the multidisciplinary optimisation and preliminary design of a two-stage microlauncher capable of inserting a small 50 kg payload into Low Earth Orbit. The microlauncher is obtained using a MDO approach, where the lightest config
Externí odkaz:
https://doaj.org/article/c29e1fccbab94c94af059bbc4efef9ff
Publikováno v:
INCAS Bulletin, Vol 12, Iss 3, Pp 137-150 (2020)
The paper presents mathematical models that can be used to quickly define preliminary key aspects regarding the sizing and weight characteristics of studied small launchers. The tool developed based on the proposed mathematical models can be used for
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::b57ccb6679ed7fe86ab2f491661297b2
https://bulletin.incas.ro/files/onel__chelaru__vol_12_iss_3.pdf
https://bulletin.incas.ro/files/onel__chelaru__vol_12_iss_3.pdf
Publikováno v:
INCAS Bulletin, Vol 12, Iss 2, Pp 117-132 (2020)
The paper presents a mathematical model that can be used to quickly define a nominal trajectory for the studied small launcher configuration. The tool developed based on the proposed mathematical model can be used separately for trajectory assessment
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::09bb7f391d830b3e7d860ccaad30fa6c
https://doi.org/10.13111/2066-8201.2020.12.2.10
https://doi.org/10.13111/2066-8201.2020.12.2.10
Autor:
Teodor-Viorel Chelaru, Ana-Maria Neculaescu, Oana-Iuliana Popescu, Alexandru-Iulian Onel, Tudorel-Petronel Afilipoae
Publikováno v:
INCAS Bulletin, Vol 11, Iss 3, Pp 135-145 (2019)
The paper presents a fast mathematical model that can be used to quickly asses the propulsive characteristics of liquid propelled rocket engines. The main propulsive parameters are computed using combustion surfaces obtained after a nonlinear data fi
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::40a7578bef1dcd10acf2110c839beb6c
http://bulletin.incas.ro/files/onel_popescu_neculaescu_afilipoae_chelaru_vol_11_i.pdf
http://bulletin.incas.ro/files/onel_popescu_neculaescu_afilipoae_chelaru_vol_11_i.pdf