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Lei Luo and Honghu Ji
The rescaling?recycling method (RRM) is usually used to generate turbulent inflow for the LES of compressible wall-bounded flows, which can lead to relatively high computational cost for high Re flows since the mesh resolution increases exponentially wit...
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Wei-Chieh Chen, Chih-Yung Huang, Kui-Thong Tan and Hirotaka Sakaue
This study aimed to develop a two-color pressure-sensitive paint (PSP) that has both high pressure sensitivity and high temperature sensitivity. Different nitrobenzoxadiazole (NBD) derivatives were used as the temperature probe. Among them, NBD-ZY37 demo...
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Emilia Georgiana Prisacariu, Tudor Prisecaru, Razvan Edmond Nicoara, Jeni Vilag and Valeriu Alexandru Vilag
Visualization methods have always been used to inspect flows that are invisible to the naked eye. Seedless velocimetry has been regarded as an alternative to other intrusive quantitative methods and adapted to fit many applications in the industrial or s...
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Karol Wawrzak and Artur Tyliszczak
The paper is aimed at an assessment of the importance of the coordinate system (Cartesian vs. cylindrical) assumed for simulations of free-round jets. The research is performed by applying the large eddy simulation method with spatial discretisation base...
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Ken-Ichiro Takeishi, Robert Krewinkel, Yutaka Oda and Yuichi Ichikawa
In the near future, when designing and using Double Wall Airfoils, which will be manufactured by 3D printers, the positional relationship between the impingement cooling nozzle and the heat transfer enhancement ribs on the target plate naturally becomes ...
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Alan Kabanshi
This paper explores the flow structure, mean/turbulent statistical characteristics of the vector field and entrainment of round jets issued from a smooth contracting nozzle at low nozzle exit velocities (1.39?6.44 m/s). The motivation of the study was to...
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Miles T. Trumper, Parviz Behrouzi and James J. McGuirk
Detailed knowledge of jet plume development in the near-field (the first 10?15 nozzle exit diameters for a round jet) is important in aero-engine propulsion system design, e.g., for jet noise and plume infrared (IR) signature assessment. Nozzle exit Mach...
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Shiying Cai, Chunpei Cai, Kai Zhang and Jun Li
Rarefication effects on jet impingement loads are studied by comparing recent new formulas at the collisionless flow limit and numerical simulations. The jet exit size is finite, and can be either planar or round. In the simulations, the jets have differ...
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Stefano Bianchi, Alessandro Corsini, Anthony Geoffrey Sheard
Pág. 45 - 62
This paper describes an experimental investigation of the interaction noise in a jet impacting isolated aerofoils. The authors conducted the study in a low-speed wind tunnel ending in an anechoic chamber, and focussed on the tip region of two types of is...
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