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   Articles with "freestream" as a keyword



Convective heat transfer enhancement downstream of a flexible strip normal to the freestream

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recommendations! Published in 2019 at "International Journal of Thermal Sciences"

DOI: 10.1016/j.ijthermalsci.2019.106059

Abstract: Abstract Employing an appropriate turbulence generator is a simple and effective means to boost convective heat transfer. In this study, a flexible 12.7 mm wide by 38.1 mm tall rectangular strip positioned normal to the freestream is… read more here.

Keywords: heat transfer; convective heat; strip; freestream ... See more keywords

Parameter analysis of dual synthetic jets control for rotor airfoil dynamic stall under unsteady freestream

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recommendations! Published in 2025 at "Physics of Fluids"

DOI: 10.1063/5.0281017

Abstract: To suppress the dynamic stall phenomenon of helicopter rotors, a numerical simulation study was conducted on the unsteady aerodynamic characteristics of dual synthetic jets (DSJ) control under unsteady freestream. A moving-embedded grid method was employed… read more here.

Keywords: freestream; dynamic stall; airfoil; control ... See more keywords

Development of Instabilities Generated by Freestream Laser Perturbations in a Hypersonic Boundary Layer

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recommendations! Published in 2017 at "AIAA Journal"

DOI: 10.2514/1.j055280

Abstract: A controlled, laser-generated perturbation was created in the freestream of the Boeing/U.S. Air Force Office of Scientific Research Mach 6 Quiet Tunnel. The freestream perturbation convected downstream in the wind tunnel to interact with a… read more here.

Keywords: wave packet; laser; freestream; boundary layer ... See more keywords

Laser Measurements and Modeling of Shock Tunnel Freestream Velocity and Multispecies Thermal Nonequilibrium

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recommendations! Published in 2025 at "AIAA Journal"

DOI: 10.2514/1.j065068

Abstract: Coherent anti-Stokes Raman scattering (CARS) and nitric oxide molecular tagging velocimetry (NO-MTV) were used to characterize the freestream in Sandia’s Hypersonic Shock Tunnel (HST) using a burst-mode laser operated at 100 kHz. Experiments were performed at… read more here.

Keywords: shock tunnel; freestream; formula see; see text ... See more keywords

Study of Conjugate Heat Transfer from Heated Plate by Turbulent Offset Jet in Presence of Freestream Motion using Low-Reynolds Number Modeling

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recommendations! Published in 2019 at "Journal of Applied Fluid Mechanics"

DOI: 10.29252/jafm.12.02.28974

Abstract: The present study deals with conjugate heat transfer from a heated flat plate by a turbulent offset jet in presence of freestream motion. The turbulent convection in fluid and conduction in solid is solved in… read more here.

Keywords: fluid; jet; reynolds number; freestream ... See more keywords