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Title: | Electro-optical Kerr effect in HFE-7100 | Authors: | Nassar, Michelle Daaboul, Michel Michel, Anny Louste, Christophe |
Affiliations: | Department of Mechanical Engineering | Keywords: | Dielectric liquid Electric charges Electric field distribution Electro-optical Kerr effect Electrohydrodynamics Hydrofluoroether Kerr coefficient Kerr image Polariscope |
Issue Date: | 2023-01-01 | Publisher: | Institute of Electrical and Electronics Engineers | Part of: | Proceedings - IEEE International Conference on Dielectric Liquids, Vol. 2023 | Conference: | IEEE International Conference on Dielectric Liquids, ICDL 2023 ( 22nd : 25-28 June, 2023 : Worcester ) | Abstract: | This work is an experimental study on electrooptical Kerr effect in hydrofluoroether HFE-7100. It is part of a scientific project aiming to better understand electrohydrodynamic (EHD) behavior and hence optimize EHD systems. The electro-optical Kerr effect is a nonintrusive method that allows to study the development of charged layers at the electrode/liquid interface. In this paper, the authors examine the applicability of the Kerr effect method on HFE-7100, a dielectric liquid that has proven to be very efficient in EHD applications. The system consists of a monochromatic green laser source and a rectilinear polariscope. The Kerr cell has two planar electrodes on which a high sinusoidal voltage is applied. The light intensity of the obtained images is then analyzed. The Kerr coefficient value B of the HFE-7100 is deduced to be B= 2.7 × 10-14V/m2, a value that is comparable to that of purified water. Kerr images are presented, and their qualitative analysis demonstrates the presence of space charge. This work proves that HFE has a good sensitivity to the Kerr effect. |
URI: | https://scholarhub.balamand.edu.lb/handle/uob/6989 | ISBN: | 9798350302172 | ISSN: | 21533725 | DOI: | 10.1109/ICDL59152.2023.10209331 | Type: | Conference Paper |
Appears in Collections: | Department of Mechanical Engineering |
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