Coupled radiative gasdynamic interaction and non-equilibrium dissociation for large-scale returned space vehicles

Суржиков, С. Т.

doi:10.1016/j.chemphys.2011.10.024

Cited by 13 publications

(9 citation statements)

References 20 publications

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“…6,7 Useful for comparative analysis correlations, based on a large number of numerical simulation results, were recently suggested in Ref. 8. In our previous papers, [9][10][11][12] where we analyzed radiative gas dynamics of segmental-conical space vehicle of large size (the Prospective Transport Vehicle -PTV), which is intended for flight of four (up to six) astronauts. Start of this investigation one can find in papers, 9,10 where the radiative aerothermodynamics of orbital re-entry space vehicles similar to PTV was studied.…”

Section: Introductionmentioning

confidence: 99%

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Radiative Gas Dynamics of Apollo Command Modules at Angles of Attack

Суржиков

2016

46th AIAA Thermophysics Conference

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Three-dimensional radiative aerothermodynamics of Apollo Command Modules is investigated for orbital and super-orbital velocities at non-zero angles of attacks.Brief description of used radiative gasdynamic model of physically and chemically nonequilibrium, viscous, heat conductive and radiating gas of complex chemical composition is presented. Problems of verification and validation of obtained calculated data are discussed.Results of three-and two-dimensional calculations of convective and radiative heating of Apollo Command Module in meridional plane under angle of attack of 25 0 are presented. Calculations were performed with the use of the author's computer platform NERAT(3D,2D)+ASTEROID and with different models of radiation heat transfer, as well as with the use of multi-group spectral models, taking into account most significant radiative mechanisms of absorption and emission. This paper contains comparison of obtained numerical simulation results with the flight experimental data, with preliminary theoretical estimations used for creation of the first superorbital space vehicles, and with analytical correlations for convective and radiative heat fluxes, recently suggested in literature.

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Section: Introductionmentioning

confidence: 99%

“…[9][10][11][12] Detailed analysis of radiative gas dynamics of experimental space vehicles Fire-II and Stardust was presented in Refs.4,5. Several recent publications were dedicated to investigation of real re-entry conditions of super-orbital capsule.…”

Section: Introductionmentioning

confidence: 99%

Radiative Gas Dynamics of Apollo Command Modules at Angles of Attack

Суржиков

2016

46th AIAA Thermophysics Conference

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“…В процессе разработки новых моделей летательных аппаратов возникает необходимость проведения компьютерных математических имитационных расчетов аэротермодинамических характеристик [1][2][3][4][5][6]. Такие расчеты позволяют значительно сократить количество наземных и летных испытаний, а также существенно снизить стоимость разработки будущего аппарата.…”

Section: Introductionunclassified

On the Concept of the National Visualization System for Aerogasdynamic Computations

Silvestrov¹,

Bessonov²,

Yarmolyuk³

2018

PhChGD

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This paper presents the general idea and the first implementation of the new visualization system-an integrated environment for viewing and analyzing results of aerogasdynamic computations and different spatial objects (vehicle surfaces, computational grids). This system is based on the open-source cross-platform development toolkits Qt and VTK. The paper describes basic functions of the visualization system and presents examples of its graphical capabilities for drawing spatial images and two-dimensional plots. Examples of dialogue boxes for controlling the process of visualization are also shown. The system supports main geometric and grid formats, as well as it is partially compatible with the popular commercial visualization system Tecplot (both in data formats and control procedures). The new system has the unified implementation for Windows and Linux operation systems and can be deployed on any modern personal computer.

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“…In Jupiter atmospheric entry, radiative heating gives a relevant contribution [54,55], especially in regions not exposed to conductive and convective heating. At the same time, the ionization degree is sufficiently high to have appreciable effects of free electrons on flow properties.…”

Section: H 2 and H 2 /He Processes In Kinetic Modelingmentioning

confidence: 99%

Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas

Celiberto

Capitelli

Colonna

et al. 2017

Atoms

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Abstract:We report cross-sections and rate coefficients for excited states colliding with electrons, heavy particles and walls useful for the description of H 2 /He plasma kinetics under different conditions. In particular, the role of the rotational states in resonant vibrational excitations of the H 2 molecule by electron impact and the calculation of the related cross-sections are illustrated. The theoretical determination of the cross-section for the rovibrational energy exchange and dissociation of H 2 molecule, induced by He atom impact, by using the quasi-classical trajectory method is discussed. Recombination probabilities of H atoms on tungsten and graphite, relevant for the determination of the nascent vibrational distribution, are also presented. An example of a state-to-state plasma kinetic model for the description of shock waves operating in H 2 and He-H 2 mixtures is presented, emphasizing also the role of electronically-excited states in affecting the electron energy distribution function of free electrons. Finally, the thermodynamic properties and the electrical conductivity of non-ideal, high-density hydrogen plasma are finally discussed, in particular focusing on the pressure ionization phenomenon in high-pressure high-temperature plasmas.

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Coupled radiative gasdynamic interaction and non-equilibrium dissociation for large-scale returned space vehicles

Cited by 13 publications

References 20 publications

Radiative Gas Dynamics of Apollo Command Modules at Angles of Attack

Radiative Gas Dynamics of Apollo Command Modules at Angles of Attack

On the Concept of the National Visualization System for Aerogasdynamic Computations

Elementary Processes and Kinetic Modeling for Hydrogen and Helium Plasmas

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