Obiettivo The project proposes the development of electron-beam technique (EBT) for local non-disturbed measurements inside rarefied flows of gas mixtures containing CO2 in view of providing experimental data for the simulation of Spacecraft entry in the Martian Atmosphere. Evidently, experimental tests in wind tunnels appear as the last step of verification of designer's decisions and validation of physical models used in numerical simulations. That is why the development of modern techniques for non-intrusive measurements inside gas flows based on new scientific achievements is a problem of constant attention.The main idea of this project is to develop the electron beam method for density measurements in rarefied gas mixtures and to extend it to conditions never mastered before:more complex gas compositions CO2+ N2 mixture;higher pressures (up to 600 Pa) and higher densities (up to 7 1016 cm-3),ionized and dissociated components of CO2+ N2 mixtures;presence of carbon particles and/or its vapor.Moreover, these investigations will help calibrate CO2 flows of the VKI long shot gun tunnel. The results will also be important to help the use of this technique for diagnostics in the future hypersonic plasma wind-tunnel of the Laboratoire d'Aérothermique, planned to be operated with high temperature CO2-N2 mixture.In the second part of the project the E-beam method will be applied to the ONERA-F4 high enthalpy wind tunnel operated in a CO2 + N2 mixture in the free stream and around a blunt body . It is anticipated that the project will contribute to a better understanding of the problems connected with entry in Martian atmosphere. In particular the computer codes especially developed for this will be tested and improved.The teams involved in the project will co-operate closely through an active exchange of research results and personnel, joint publications and regular meetings. The research results obtained in the framework of the project will be presented in the form of scientific papers and detailed scientific reports. Programma(i) IC-INTAS - International Association for the promotion of cooperation with scientists from the independent states of the former Soviet Union (INTAS), 1993- Argomento(i) 6 - Engineering Sciences, Aeronautics, Space OPEN - OPEN Call Invito a presentare proposte Data not available Meccanismo di finanziamento Data not available Coordinatore ONERA - Office National d'Etudes et de Recherches Aérospatiales Contributo UE Nessun dato Indirizzo Chemin de la Hunière 91761 Palaiseau Cedex Francia Mostra sulla mappa Costo totale Nessun dato Partecipanti (4) Classifica in ordine alfabetico Classifica per Contributo UE Espandi tutto Riduci tutto Centre National de la Recherche Scientifique Francia Contributo UE Nessun dato Indirizzo 1C Avenue de la recherche scientifique 45071 Orléans cedex Mostra sulla mappa Costo totale Nessun dato Institute of High Performances Computing and Data Bases Russia Contributo UE Nessun dato Indirizzo 194291 St. Petersburg Mostra sulla mappa Costo totale Nessun dato Siberian Branch of Russian Academy of Sciences Russia Contributo UE Nessun dato Indirizzo 1 Prospect Lavrentyev 630090 Novosibirsk Mostra sulla mappa Costo totale Nessun dato von Karman Institute for Fluid Dynamics Belgio Contributo UE Nessun dato Indirizzo Chauss?e de Waterloo, 72 1640 Rhode Saint Genese Mostra sulla mappa Costo totale Nessun dato
