Progress in Flight Physics 2013
DOI: 10.1051/eucass/201305425
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Evaluation of the aerodynamic properties of the intermediate experimental vehicle in the rarefied and transitional regime

Abstract: In order to evaluate the behavior of the intermediate experimental vehicle (IXV) in the upper layer of the atmosphere, series of computations were carried out by means of the Direct Simulation Monte Carlo (DSMC) method, which are reported hereby. First an introduction is given about the IXV mission followed by a short explanation on DSMC and the computational methodology. A ¦rst validation case is demonstrated for computations based on the geometry of the Apollo capsule, showing good agreement with a reference… Show more

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Cited by 3 publications
(6 citation statements)
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“…In terms of aerodynamic forces and moments (Figure 17), the pressure increase induces an increase in the moment coefficient (C m,cg ), and a diminution of the normal (C N ) and axial (C A ) force coefficients. As indicated by Banyai et al in [7], the small values of C m,cg (Figure 17b) show that the vehicle is stable during the transitional portion of the reentry and the progressive increase toward a null value as it approaches the continuum regime ensures a stable transition towards the denser layers of the atmosphere. Finally, as envisioned by Banyai et al, for the altitudes greater than 100 km, the moment resulting from the aerodynamic forces might be incapable of counteracting the vehicle's possible inertia due to a disturbance.…”
Section: Aerodynamic Results Analysismentioning
confidence: 53%
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“…In terms of aerodynamic forces and moments (Figure 17), the pressure increase induces an increase in the moment coefficient (C m,cg ), and a diminution of the normal (C N ) and axial (C A ) force coefficients. As indicated by Banyai et al in [7], the small values of C m,cg (Figure 17b) show that the vehicle is stable during the transitional portion of the reentry and the progressive increase toward a null value as it approaches the continuum regime ensures a stable transition towards the denser layers of the atmosphere. Finally, as envisioned by Banyai et al, for the altitudes greater than 100 km, the moment resulting from the aerodynamic forces might be incapable of counteracting the vehicle's possible inertia due to a disturbance.…”
Section: Aerodynamic Results Analysismentioning
confidence: 53%
“…As previously discussed in introduction, Banyai et al [7] have investigated in details the aerodynamic of the IXV between 120 and 85 km, in preparation of the vechicle's mission. In this part, the objective is to analyze the effective aerodynamic performance of the vehicle thanks to the precise knowledge of its flight conditions.…”
Section: Aerodynamic Results Analysismentioning
confidence: 99%
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