Towards shock-stable and accurate hypersonic heating computations: A new pressure flux for AUSM-family schemes

Kitamura, Keiichi; Shima, Eiji

doi:10.1016/j.jcp.2013.02.046

Cited by 209 publications

(95 citation statements)

References 46 publications

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“…The convective flux was discretized with AUSM + -up scheme [7] because this scheme seems to be the best for hypersonic gas dynamics [8,9]. Due to carbuncle phenomenon, the convective flux was discretized with the original AUSM + -up scheme [7], which is a first order upwind scheme.…”

Section: Numerical Simulations and Resultsmentioning

confidence: 99%

Computational Hypersonic Aerodynamics with Emphasis on Earth Reentry Capsules

Niculescu¹,

Fadgyas²,

Cojocaru³

et al. 2016

INCAS BULLETIN

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Section: Numerical Simulations and Resultsmentioning

confidence: 99%

Computational Hypersonic Aerodynamics with Emphasis on Earth Reentry Capsules

Niculescu¹,

Fadgyas²,

Cojocaru³

et al. 2016

INCAS BULLETIN

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“…All the flow properties are set at the center of a control volume. Then, the advection fluxes in the N-S equations are calculated using the SLAU2 scheme [49] along with the MUSCL interpolation method for high accuracy. The viscous fluxes are evaluated using the second-order central difference method.…”

Section: Numerical Implementationmentioning

confidence: 99%

Plasma flow modeling for Huels-type arc heater with turbulent diffusion

et al. 2017

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In this study, we developed an analytical model for the flow field in the Huels-type arc-heated wind tunnel (L2K) of the German Aerospace Center. This flow-field model can be used to accurately reproduce the discharge behavior in the heating section and expansion in the nozzle section of L2K. It includes the radiation transport and turbulent flow, as well as thermochemical nonequilibrium models, which are tightly coupled with electric field calculations. In addition, we considered the turbulent diffusion model for the mass conservation of the species and performed numerical simulations for several cases with and without the turbulent diffusion model. Computations were used to obtain the general characteristics of an arc-heated flow containing an arc discharge and supersonic expansion. We verified that radiation and turbulence play important roles in the transfer of heat from the high-temperature core flow to the outer cold gas in the heating section of L2K. In addition, we performed parametric studies that involved varying the degree of turbulent diffusion. The results showed that turbulent diffusion has a large influence on the formation of the arc discharge in the heating section and on the enthalpy distribution at the nozzle exit.

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“…The tests allow to assess the role of the inertia term in the face velocity definition, and to compare the performance with other schemes: AUSM + [10], AUSM + -up [11], SLAU [4,21], 'JCAM 2013' [14], and the momentum interpolation [15,16] (these schemes are described in Appendix A).…”

Section: Numerical Experimentsmentioning

confidence: 99%

Godunov-type schemes with an inertia term for unsteady full Mach number range flow calculations

Moguen

Delmas

Perrier

et al. 2015

Journal of Computational Physics

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International audienceAn inertia term is introduced in the AUSM+-up scheme. The resulting scheme, called AUSM-IT (IT for Inertia Term), is designed as an extension of the AUSM+-up scheme allowing for full Mach number range calculations of unsteady flows including acoustic features. In line with the continuous asymptotic analysis, the AUSM-IT scheme satisfies the conservation of the discrete linear acoustic energy at first order in the low Mach number limit. Its capability to properly handle low Mach number unsteady flows, that may include acoustic waves or discontinuities, is numerically illustrated. The approach for building the AUSM-IT scheme from the AUSM+-up scheme is applicable to any other Godunov-type scheme

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Towards shock-stable and accurate hypersonic heating computations: A new pressure flux for AUSM-family schemes

Cited by 209 publications

References 46 publications

Computational Hypersonic Aerodynamics with Emphasis on Earth Reentry Capsules

Computational Hypersonic Aerodynamics with Emphasis on Earth Reentry Capsules

Plasma flow modeling for Huels-type arc heater with turbulent diffusion

Godunov-type schemes with an inertia term for unsteady full Mach number range flow calculations

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