Zobrazeno 1 - 10
of 583
pro vyhledávání: '"Background-Oriented Schlieren"'
Reconstruction of turbulent flow from temperature field measured using Background Oriented Schlieren
Autor:
Yulia K. Rudenko, Nikolay A. Vinnichenko, Aleksei V. Pushtaev, Yulia Yu. Plaksina, Alexander V. Uvarov
Publikováno v:
International Journal of Thermofluids, Vol 23, Iss , Pp 100744- (2024)
New data assimilation technique for turbulent flows is proposed, which allows determination of the turbulent viscosity, velocity and pressure distributions from the experimentally measured temperature fields. Measurements are performed for a round je
Externí odkaz:
https://doaj.org/article/bb772e2b9c96483db35610ef758ab390
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Akademický článek
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Publikováno v:
Energies, Vol 17, Iss 19, p 4867 (2024)
In this experimental study, ethanol, an eco-friendly fuel used to reduce harmful exhaust emissions from internal combustion engines, was blended with gasoline. To optimize the combustion and the shape of the combustion chamber, the spray development
Externí odkaz:
https://doaj.org/article/917bfa51f8a948ef83967db3e874f7fc
Publikováno v:
Energies, Vol 17, Iss 18, p 4640 (2024)
The use of renewable fuels in place of fossil fuels in internal combustion engines is regarded as a viable method for achieving zero-impact-emission powertrains. However, to achieve the best performance with these fuels, these engines require further
Externí odkaz:
https://doaj.org/article/8dfea7efa03e4106945a9651e501072d
Autor:
Hafiz Hashim Imtiaz, Paul Schaffer, Yingjie Liu, Paul Hesse, Alexander Bergmann, Martin Kupper
Publikováno v:
Atmosphere, Vol 15, Iss 9, p 1023 (2024)
Remote emission sensing (RES) is a state-of-the-art technique for monitoring thousands of vehicles on the road every day to detect high emitters. Modern commercial RES systems use absorption spectroscopy to measure the ratio of pollutants to CO2 from
Externí odkaz:
https://doaj.org/article/2b27ae947a5341d7ac0e594c9538e8f5
Publikováno v:
Energies, Vol 17, Iss 16, p 3974 (2024)
Dielectric barrier discharge plasma actuators have recently become desirable devices for simultaneous flow control and ice mitigation applications, with particular interest in wind turbines operating in cold climates. Considering the potential of pla
Externí odkaz:
https://doaj.org/article/8f33aed9f66d4d0fa142f1bfef9e910b
Akademický článek
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Publikováno v:
Symmetry, Vol 16, Iss 5, p 596 (2024)
The Schlieren technique is widely adopted for visualizing supersonic jets owing to its non-invasiveness to the flow field. However, extending the classical Schlieren method for quantitative refractive index measurements is cumbersome, especially for
Externí odkaz:
https://doaj.org/article/3c5c572813434bda94dff3f01f6b375f
Publikováno v:
Sensors, Vol 24, Iss 9, p 2731 (2024)
Currently, the visual detection of a target’s shock flow field through background schlieren technology is a novel detection system. However, there are very few studies on the long-distance background schlieren imaging mechanism and its application
Externí odkaz:
https://doaj.org/article/d600a85a9d154cd592c02d36fb69c105