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Visualization of Mechanical Processes: An International Online Journal


ISSN Online: 2152-209X

Visualization of Mechanical Processes: An International Online Journal

DOI: 10.1615/VisMechProc.2018019949

TRANSONIC FLOW OVER A DOUBLE-WEDGED AIRFOIL

Vyacheslav Antonovich Bashkin
Central Aerohydrodynamic Institute (TsAGI), Zhukovsky, Moscow region, Russia
Ivan Vladimirovich Egorov
Central Aerohydrodynamic Institute (TsAGI), 1, Zhukovsky Str., Zhukovsky, Moscow Region, 140180, Russian Federation

ABSTRAKT

Flow structure and aerodynamic characteristics of a double-wedged airfoil at transonic velocities, as well as the peculiarities of transition from subsonic to supersonic flow regime, are discussed in this paper. The interest in this airfoil is caused by the fact that it is considered to be an optimal airfoil from the viewpoint of wave drag within the framework of ideal gas theory. Its aerodynamics was actively investigated both theoretically and experimentally in 1950s–1960s.


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