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Academic literature on the topic 'Souffleries supersoniques'
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Dissertations / Theses on the topic "Souffleries supersoniques"
Freskos, Grigorios O. "Étude physique et simulation numérique des écoulements dans les entrées d'air supersoniques." Toulouse, INPT, 1992. http://www.theses.fr/1992INPT080H.
Full textMailhot, Stéphane. "Conception et mise en opération de l'installation supersonique à haute température de RDDC Valcartier." Thesis, Université Laval, 2010. http://www.theses.ulaval.ca/2010/26813/26813.pdf.
Full textHennequin, Yves. "Étude numérique de l'instabilité de Görtler : application à la définition d'une soufflerie supersonique silencieuse." Toulouse, ENSAE, 1993. http://www.theses.fr/1993ESAE0020.
Full textDury, Gérard. "Influence d'une paroi sinusoi͏̈dale sur une couche limite turbulente en régime supersonique." Poitiers, 1997. http://www.theses.fr/1997POIT2374.
Full textGuégan, Marie-Christine. "Contribution à l'étude expérimentale et numérique du sillage proche turbulent en écoulement hypersonique." Poitiers, 1998. http://www.theses.fr/1998POIT2322.
Full textHonoré, David. "Fluorescence induite par laser à excimères bande-fine. Application à la caractérisation de souffleries à haute enthalpie." Rouen, 1995. http://www.theses.fr/1995ROUES051.
Full textLibsig, Michel. "Contrôle d'écoulements en vue d'un pilotage alternatif pour les projectiles d'artillerie." Thesis, Besançon, 2016. http://www.theses.fr/2016BESA2022/document.
Full textIn order to reach their target, guided artillery projectiles need some steering capability. Folding and adjustable control surfaces are thus necessary. However, mounting adjustable rudders on a shell is a difficult task, mechanically speaking. Indeed, during the gun launch, the onboard equipment undergoes significant acceleration so that robust mechanical joints have to be designed between the rudders and the body. This technique performs very well on large-caliber projectiles, but becomes more complicated when it has to be embedded in small- or medium-caliber ones. Nevertheless, under supersonic flight conditions, shock waves interacting with solid surfaces are likely to strongly modify the pressure distribution. This principle made it possible to imagine a way of steering small-caliber vehicles using shock waves generated by means of small disturbances created by a cylindrical-shaped micro-actuator, also called micro-pin. As lift forces exerted on a body are mainly due to the pressure applied to large surfaces, a finned configuration has been chosen. To simplify the study, the work has been conducted on the Basic Finner, a well known academic reference projectile.Experiments were first performed in the ISL supersonic wind tunnel on a flat plate on which a pin and two vertical projectile-like fins were mounted in order to validate the capability of steady RANS numerical simulations to predict both the pressure footprint of such an actuator and the flow velocity in its vicinity. Pressure and velocity distributions have been measured by using optical methods called Pressure-Sensitive Paint (PSP) and Particle Image Velocimetry (PIV) in order to be compared with the calculation results. A parametric study was then conducted with these RANS simulations so that the optimum location for which the pin is the most effective over the complete flight envelope of the projectile could be determined. Using this optimum position two specific no-roll momentum configurations were studied numerically and compared in terms of effectiveness. By using the aerodynamic coefficients resulting from this work, 6-Degree-Of-Freedom (6-DOF) trajectory simulations were performed with the NATO BALCO code on one of these configurations in order to determine the potential deviation which can be obtained with such an actuator. These 6-DOF simulations as well as the pin effect on the projectile could finally be validated during a free-flight campaign that took place at the ISL open-range testing site