Zobrazeno 1 - 10
of 13
pro vyhledávání: '"Daniel-Eugeniu Crunțeanu"'
Publikováno v:
Applied Sciences, Vol 11, Iss 21, p 9794 (2021)
In this paper, Predictive Functional Control (PFC) is used for X-Y pedestal control for LEO satellite tracking. According to the nonlinear characteristics of the X-Y pedestal and pedestal model variation caused by its operating point change, the use
Externí odkaz:
https://doaj.org/article/ae7e19059e4d41cd9ca0551c5d57d6c5
Publikováno v:
Applied Sciences, Vol 11, Iss 11, p 5158 (2021)
This paper presents a study regarding the noise reduction of the turbojet engine, in particular the jet noise of a micro turbojet engine. The results of the measurement campaign are presented followed by a performances analysis which is based on the
Externí odkaz:
https://doaj.org/article/bc8002eb15224f159b56d3bbe04b0b1b
Publikováno v:
INCAS Bulletin, Vol 6, Iss 1, Pp 13-20 (2014)
This paper has a small part dealing with the notion of chevron and the process that helps reducing the noise pollution. Based on the gas dynamics and the geometrical parameters of the turbofan jet engine a model of CFD data processing is created. In
Externí odkaz:
https://doaj.org/article/a45d4b9e45dd4b609e2be2cbd16e3a67
Publikováno v:
INCAS Bulletin, Vol 5, Iss 4, Pp 15-23 (2013)
This paper deals with a few aspects of the notion of chevron and the process that helps reducing the noise pollution. Based on the gas dynamic and geometrical parameters of a single flow jet engine a model of CFD data processing is made. In this proc
Externí odkaz:
https://doaj.org/article/99f4ed0693f7475fbb96aebb822818af
Publikováno v:
Inventions, Vol 9, Iss 5, p 110 (2024)
To alleviate the shock boundary layer interaction adverse effects, various active or passive flow control strategies have been investigated in the literature. This research sheds light on the behavior of perforated plates as passive flow control tech
Externí odkaz:
https://doaj.org/article/8ac2c35974614c60a3c870e328a48964
Publikováno v:
Aerospace, Vol 11, Iss 4, p 292 (2024)
Aircraft engine noise has become a significant concern for air operators to address. Engineering strategies have resulted in the development of easily applicable solutions, known as “passive solutions”, that do not necessitate real-time control.
Externí odkaz:
https://doaj.org/article/ed3d528e0da447d9823d6a91df55835c
Publikováno v:
INCAS Bulletin, Vol 15, Iss 4, Pp 199-209 (2023)
As airfoil design plays a crucial role in achieving superior aerodynamic performances, optimization has become an essential part in various engineering applications, including aeronautics and wind energy production. Airfoil optimization using high-fi
Externí odkaz:
https://doaj.org/article/5e841da7da31436f8875df3b745fa960
Autor:
Alexandru-Claudiu Cancescu, Daniel-Eugeniu Crunteanu, Anna-Maria Theodora Andreescu, Simona-Nicoleta Danescu, Valeriu Dragan
Publikováno v:
Inventions, Vol 9, Iss 5, p 104 (2024)
As space missions proliferate and the payload requirements increase, the environmental impact of thrusters can no longer be considered negligible. Therefore, less impactful fuels such as methane are starting to be considered for launchers. In this pa
Externí odkaz:
https://doaj.org/article/24be7f6970304a5b818f2152d0f87b4c
Publikováno v:
Symmetry, Vol 15, Iss 11, p 2038 (2023)
Stochastic Differential Equations (SDEs) model physical phenomena dominated by stochastic processes. They represent a method for studying the dynamic evolution of a physical phenomenon, like ordinary or partial differential equations, but with an add
Externí odkaz:
https://doaj.org/article/e2d50b81a05a466885863e0c2b18ac44
Publikováno v:
Applied Sciences, Vol 13, Iss 16, p 9139 (2023)
Over the years, Bucharest’s Henri Coandă International Airport has registered a constant and high increase in air traffic, in terms of both passengers and aircraft movements. This paper presents a traffic diversion solution for the Otopeni RO airp
Externí odkaz:
https://doaj.org/article/ab8dd604f6894e62a2af6db478c12c98