Výsledky vyhledávání

Experimental Investigation of Surface Potentials of Materials Under Electron Spectra Representative of GEO and MEO Worst Case Environments

Autor: Denis Payan, B. Dirassen, A. Sicard, Thierry Paulmier, J.-C. Mateo-Velez

Publikováno v: IEEE Transactions on Plasma Science. 47:3885-3890

This paper presents a novel approach to test surface material charging under electron flux representative of space conditions below 400 keV. The experimental protocol used to test space material electrical properties consists in adapting the electron

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6e95a174ff72cacd5c0c525cd4a78ca5
https://doi.org/10.1109/tps.2019.2925413

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Experimental Characterization of Internal Charging Processes in MEO-Like Electron Environment

Autor: Thierry Paulmier, B. Dirassen, R. Rey

Publikováno v: IEEE Transactions on Plasma Science. 46:3173-3178

This paper is dedicated to the characterization of internal charging and discharging processes of different systems or materials in medium earth orbit (MEO) environment. Experiments for MEO were carried out at the ONERA, Toulouse, France, using the G

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b22533212df9615c72d06be975d1a0fa
https://doi.org/10.1109/tps.2018.2853409

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Electrostatic behaviour of space used materials in regard of internal charging met on spacecrafts

Autor: Thierry Paulmier, Romain Rey, B. Dirassen

Publikováno v: Journal of Electrostatics
Journal of Electrostatics, Elsevier, 2018, 92, pp.66-74. ⟨10.1016/j.elstat.2018.02.002⟩

International audience; This paper is dedicated to the characterisation of charging behaviour of space used polymers in space electron environment. Spacecrafts are indeed submitted in Medium Earth Orbit (MEO) to severe ﬂuxes of electrons with energ

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::dd9cf81965c433a6d1a0ea4beb96db83
https://doi.org/10.1016/j.elstat.2018.02.002

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Internal Charging Issues Met During Electric Orbit Raising and in GPS-Like MEO Environment

Autor: R. Rey, B. Dirassen, Thierry Paulmier, D. Lazaro, Denis Payan, Jean-Charles Mateo-Velez

Publikováno v: IEEE Transactions on Plasma Science
IEEE Transactions on Plasma Science, Institute of Electrical and Electronics Engineers, 2019, 47 (8), pp.3776-3782. ⟨10.1109/TPS.2019.2922256⟩

International audience; This paper was dedicated to the experimental characterization and numerical assessment of the possible risk of charging during the electric orbit raising (EOR). Different elements [printed circuit board (PCB), ethylene tetrafl

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::097cc3004a60a9019feb5b9341c0f1ca
https://hal.archives-ouvertes.fr/hal-02413368

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Electrical Conductivity of a Space-Used Silicone Elastomer: Evolution Under Electron Irradiation

Autor: Sabine Dagras, A. Roggero, Eric Dantras, Claire Tonon, B. Dirassen, S. Lewandowski, Denis Payan, Thierry Paulmier

Publikováno v: Journal of Spacecraft and Rockets
Journal of Spacecraft and Rockets, American Institute of Aeronautics and Astronautics, 2016, 53 (6), p. 1114-1118. ⟨10.2514/1.A33452⟩

International audience; The electrical conductivity of a space-used commercial silicone adhesive has been measured and its temperature dependence evidenced. It was shown to obey an Arrhenius law with an activation energy of 0.4 eV, associated with an

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::d0b42b5a4dbbd85593335a49645aee71
https://doi.org/10.2514/1.a33452

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Non-contact in-situ pulsed electro acoustic method for the analysis of charge transport in irradiated space-used polymers

Autor: Thierry Paulmier, Denis Payan, B. Dirassen, Mohamad Arnaout

Publikováno v: Journal of Electrostatics. 77:123-129

The characterization of dielectric materials in space environment requires to understand and predict their electric behaviour, taking into account ionisation, and ageing effect (through electron or UV radiation, thermal cycling, …) For this purpose

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::56c846b57904e013d36bb411fcdbb089
https://doi.org/10.1016/j.elstat.2015.07.008

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Radiation-Induced Conductivity of Space Used Polymers Under High Energy Electron Irradiation

Autor: Mohamad Arnaout, B. Dirassen, N. Balcon, Denis Payan, Thierry Paulmier

Publikováno v: IEEE Transactions on Plasma Science. 43:2907-2914

Polymers are widely used on spacecraft for different specific functions such as thermal and electrical insulation, mechanical support, and adhesion. These polymers are highly sensitive to radiation encountered in space. Their electric properties are

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c961f5e922fa22afc15c29c32457e338
https://doi.org/10.1109/tps.2015.2452943

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Charging Properties of Space Used Dielectric Materials

Autor: D. Rodgers, Mohamed Belhaj, B. Dirassen, Thierry Paulmier

Publikováno v: IEEE Transactions on Plasma Science. 43:2894-2900

Charging effects in space are widely dominated by intrinsic and radiation-induced conductivities (RICs) of the irradiated materials. These data are needed by the community to perform charging predictions for assigned missions. This paper was dedicate

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::53e9ca494c433060cccbe9570a8e2bc0
https://doi.org/10.1109/tps.2015.2453012

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AXEL lab.: Representative Ground Simulation for Investigating Radiation effects in Materials and Electronics

Autor: Christophe Inguimbert, B. Dirassen, Thierry Paulmier, Guillaume Hubert, Sophie Duzellier, R. Rey, S. Lewandowski, Claude Pons, T. Nuns, Laurent Artola

Publikováno v: 2017 17th European Conference on Radiation and Its Effects on Components and Systems (RADECS).

This paper describes the investigation capabilities at the AXEL lab. of ONERA. Van de Graaf machines and dedicated target chambers allow for studying radiation effects in materials and electronics and qualifying sub-systems for space missions.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6f26bba7839bb01a3c5727e08181dc25
https://doi.org/10.1109/radecs.2017.8696228

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Relaxation Electron Surface Emission From Space Used Polymers

Autor: Denis Payan, Mohamed Belhaj, Thierry Paulmier, N. Balcon, B. Dirassen

Publikováno v: IEEE Transactions on Plasma Science. 41:3416-3421

Dedicated experiments have been developed at ONERA to characterize the charging and relaxation behavior of irradiated space polymers. Postirradiation analyses have been performed through potential kelvin probe and leakage or displacement current meas

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::f4bf939ef64d26a843f004ad19ff0d3b
https://doi.org/10.1109/tps.2013.2279317

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