References of "Chazot, O."
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See detailReview of surface properties of thermal protection materials for the design of IXV thermal protection system
Thoemel, Jan UL; Cosson, E.; Chazot, O.

in Proceedings of the 6th European Symposium on Aerothermodynamics for Space Vehicles (2009)

In the framework of the creation of an aerothermodynamic database for the design the Intermediate Experimental Vehicle, surface properties of heat shield materials that represent the boundary conditions ... [more ▼]

In the framework of the creation of an aerothermodynamic database for the design the Intermediate Experimental Vehicle, surface properties of heat shield materials that represent the boundary conditions are reviewed. Catalytic and radiative characteristics available in the literature are critically analyzed and summarized. It turns out that large uncertainties on the parameters exist. Finally, simple and conservative values are proposed. [less ▲]

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See detailDesign of a Catalysis In-Flight Experiment
Thoemel, Jan UL; Tirtey, S.; Birjmohan, S. et al

in Proceedings of the 46 th AIAA Aerospace Sciences Meeting and Exhibit (2008)

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See detailAspects of Advanced Catalysis Modelling for Hypersonic Flows
Thoemel, Jan UL; Chazot, O.; Barbante, P.

in Proceedings of the 2008 CTR Summer Program (2008)

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See detailAn Overview of Re-Entry Aerothermodynamics Investigation at the von Karman Institute – Part I
Asma, C. O.; Paris, Sebastian; Tirtey, Sandy et al

in Proceedings of the 4th Ankara International Aerospace Conference AIAC (2007)

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See detailA multiscale approach for building a mechanism based catalysis model for high enthalpy CO2 flow
Thoemel, Jan UL; Lukkien, J. J.; Chazot, O.

in Collection of Technical Papers - 39th AIAA Thermophysics Conference (2007)

The principles of the gas-surface-interaction taking place in the chemically reacting flow around an atmospheric re-entry vehicle are investigated. It turns out that the currently very often used approach ... [more ▼]

The principles of the gas-surface-interaction taking place in the chemically reacting flow around an atmospheric re-entry vehicle are investigated. It turns out that the currently very often used approach employing a recombination coefficient has a limited applicability. Serious concerns arise when the interaction model is extrapolated from ground to flight tests. A mechanism based approach taking into account every interaction step is therefore proposed for the carbon dioxide interaction with platinum. The necessary reaction rates are determined using a microscopic model, which are then used in a continuum viscous flow simulation. The dependence of the catalysis on the outer flow conditions and also on the wall temperature is demonstrated. [less ▲]

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See detailSensitivity analysis of the local heat transfer simulation for the application to thermal protection systems
Thoemel, Jan UL; Rini, P.; Chazot, O.

in Collection of Technical Papers - 9th AIAA/ASME Joint Thermophysics and Heat Transfer Conference Proceedings (2006)

A methodology that determines chemical surface properties is presented. It has been developed by Russian scientists in order to test Thermal Protection Systems for re-entering vehicles. It is based on ... [more ▼]

A methodology that determines chemical surface properties is presented. It has been developed by Russian scientists in order to test Thermal Protection Systems for re-entering vehicles. It is based on experimental measurements and numerical simulations. Its reliability has been investigated and it was found that the source of the largest uncertainty is the heat flux measurement compared with the error that comes from the other measurements and modeling constraints. [less ▲]

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