The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
High spatial resolution can be reached for space charge distribution measurement with thermal methods provided an accurate estimation of the temperature profile throughout the material. In this paper we show how to calculate such temperature profile from the measurement of the surface temperature of the sample by bolometric effect.
An evolution of a conventional thermal wave technique for space charge investigation in insulations is presented. Based on a laser diode as source of heat, the set-up has been modified in order to be able to stress electrically samples under study with an external electric field while doing measurements for space charge investigation. After a short presentation of the fundamentals related to the technique,...
To improve the spatial resolution of space charge distribution using thermal measurements, an accurate profile of the temperature in the sample is needed. The measurement of both sample surface temperature profile and space charge induced signal is a first crucial step for this knowledge. The described setup allows both measurements simultaneously and gives good signal-to-noise ratios.
The French Society of Electrostatics (SFE) was founded by Professor Gérard Touchard in 1998. Under his leadership, this friendly society holds every two years its scientific conference, supported by a community of French, North African, East European, Japanese and North American researchers.
We are pleased to announce that the April 2016 issue of the IEEE Transactions on Dielectrics and Electrical Insulation (TDEI) will be devoted to Electrostatics. This issue is open to all authors, including authors of expanded papers given to the 9th Conference of the French Society of Electrostatics held in Toulouse in August 2014. The following non-exclusive list of topics may serve as a guideline...
Spacecraft are sometimes seriously damaged by electrostatic discharge in polymeric materials. Various polymeric materials are used for the surface materials of spacecraft, such as a MultiLayer Insulator (MLI) or an Optical Solar Reflector (OSR). They are charged up by irradiation of solar particles and high-energy charged particles, particularly those such as charged particles like electrons and protons...
In the last past thirteen years many Pulsed Electro Acoustic (PEA) set-ups have been developed to study space charge behavior in irradiated material mainly used for space applications. In this paper we will present our first measurements with a ring electrode. In these preliminary studies measurements are realized in the air. A dielectric film is polarized under a positive or a negative voltage then...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.