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Overview

Olivier Lesaint is affiliated with the French National Centre for Scientific Research in France. Their research primarily spans the fields of engineering and materials science, with significant contributions to the subfields of electrical and electronic engineering, materials chemistry, radiology, nuclear medicine and imaging, mechanical engineering, and atomic and molecular physics and optics.

The scientist's work addresses several core topics, including high voltage insulation and dielectric phenomena, power transformer diagnostics and insulation, plasma diagnostics and applications, electrohydrodynamics and fluid dynamics, plasma applications and diagnostics, metallurgical processes and thermodynamics, and electrostatic discharge in electronics.

Olivier Lesaint's recent publications illustrate a focus on dielectric liquids and breakdown phenomena under various conditions. Key papers include:

  • Dielectric Performance of Transformer Liquids-Summary of a CIGRE Study, 2023, IEEE Electrical Insulation Magazine
  • Streamer and Breakdown Characteristics of Dielectric Liquids Under Impulse Waveforms With Different Tail-Times, 2022, IEEE Transactions on Dielectrics and Electrical Insulation
  • Prebreakdown and Breakdown Phenomena in HFO Gas Under Impulse Voltage-Part I: Divergent Field, 2023, IEEE Transactions on Dielectrics and Electrical Insulation
  • Pre-Breakdown and Breakdown Phenomena in Liquid Nitrogen With a Tape-Plane Electrode Geometry, 2023, IEEE Transactions on Dielectrics and Electrical Insulation
  • Breakdown Phenomena in Liquid Nitrogen Under Synchronized Transient Boiling and Impulse Voltage, 2023, IEEE Transactions on Dielectrics and Electrical Insulation

The predominant venues for publication are:

  • IEEE Transactions on Dielectrics and Electrical Insulation
  • IEEE Electrical Insulation Magazine
  • Journal of Physics Communications
  • 2022 IEEE 4th International Conference on Dielectrics (ICD)
  • Physical Review E

Frequent collaborators in Olivier Lesaint's research include Nelly Bonifaci, Simon Soulié, François Gentils, Qiang Liu, and Raphaël Chassagnoux, indicating collaborative work across multiple studies, especially in topics concerning dielectric materials and electrical insulation.

Best Publications

  • Positive streamer propagation in large oil gaps: experimental characterization of propagation modes

    O. Lesaint;G. Massala

  • Generation, growth, and collapse of vapor bubbles in hydrocarbon liquids under a high divergent electric field

    R. Kattan;A. Denat;O. Lesaint

  • Streamer generation and propagation in transformer oil under AC divergent field conditions

    O. Lesaint;R. Tobazeon

  • Streamer propagation and breakdown in natural ester at high voltage

    C.T. Duy;O. Lesaint;A. Denat;N. Bonifaci

  • On the relationship between streamer branching and propagation in liquids: influence of pyrene in cyclohexane

    O Lesaint;M Jung

  • A study of the inception of positive streamers in cyclohexane and pentane

    P Gournay;O Lesaint

  • A study of mechanisms involved during the extraction of polyphenols from grape seeds by pulsed electrical discharges

    Nadia Boussetta;Olivier Lesaint;Olivier Lesaint;Eugen Vorobiev

  • Positive streamer propagation in large oil gaps: electrical properties of streamers

    G. Massala;O. Lesaint

  • Streamer initiation in mineral oil. Part I: electrode surface effect under impulse voltage

    O. Lesaint;T.V. Top

  • Streamers and partial discharge mechanisms in silicone gel under impulse and AC voltages

    T. Do;O. Lesaint;J.-L. Auge

  • A comparison of negative and positive streamers in mineral oil at large gaps

    G Massala;O Lesaint

  • Deviations from the Paschen's law at short gap distances from 100 nm to 10 μm in air and nitrogen

    A. Peschot;N. Bonifaci;O. Lesaint;C. Valadares

  • Study of streamer inception in cyclohexane with a sensitive charge measurement technique under impulse voltage

    L. Dumitrescu;L. Dumitrescu;O. Lesaint;N. Bonifaci;A. Denat

  • Electric field investigation in high voltage power modules using finite element simulations and partial discharge measurements

    D. Frey;J.L. Schanen;J.L. Auge;O. Lesaint

  • Investigations on transient currents associated with streamer propagation in dielectric liquids

    O. Lesaint;P. Gournay;R. Tobazeon

  • Prebreakdown phenomena in mineral oil under step and ac voltage in large-gap divergent fields

    P. Rain;O. Lesaint

  • Initiation and propagation thresholds of positive prebreakdown phenomena in hydrocarbon liquids

    O. Lesaint;P. Gournay

  • Streamer propagation in mineral oil in semi-uniform geometry

    T.V. Top;G. Massala;O. Lesaint

  • Degradation of organic molecules by streamer discharges in water : coupled electrical and chemical measurements

    T H Dang;A Denat;O Lesaint;G Teissedre

  • Streamer generation and propagation in transformer oil under divergent field conditions

    O. Lesaint;R. Tobazeon

Frequent Co-Authors

Zhongdong Wang
Zhongdong Wang University of Manchester

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