Jérémi Dauchet

ORCID: 0000-0001-9675-9721
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About
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Research Areas
  • Algal biology and biofuel production
  • Radiative Heat Transfer Studies
  • Atmospheric and Environmental Gas Dynamics
  • Solar Thermal and Photovoltaic Systems
  • Calibration and Measurement Techniques
  • Atmospheric chemistry and aerosols
  • Gas Dynamics and Kinetic Theory
  • TiO2 Photocatalysis and Solar Cells
  • Catalytic Processes in Materials Science
  • Atmospheric Ozone and Climate
  • Advanced Thermodynamics and Statistical Mechanics
  • Electromagnetic Scattering and Analysis
  • Hybrid Renewable Energy Systems
  • Optical Imaging and Spectroscopy Techniques
  • Biodiesel Production and Applications
  • solar cell performance optimization
  • Advanced Photocatalysis Techniques
  • Electrocatalysts for Energy Conversion
  • Spectroscopy and Laser Applications
  • Computer Graphics and Visualization Techniques
  • Wind and Air Flow Studies
  • Biocrusts and Microbial Ecology
  • Urban Heat Island Mitigation
  • Nuclear reactor physics and engineering
  • Solar Radiation and Photovoltaics

Clermont Auvergne INP
2019-2024

Institut Pascal
2015-2024

Institut National Polytechnique de Toulouse
2019-2024

Université Clermont Auvergne
2015-2024

Centre National de la Recherche Scientifique
2011-2023

Universidad Blas Pascal
2011-2023

IMT Mines Albi
2022

Université de Toulouse
2012-2022

Sigma Clermont
2013-2020

Clermont-Ferrand’s Superior National School of Chemistry
2013-2019

We consider two systems of active swimmers moving close to a solid surface, one being living population wild-type \textit{E. coli} and the other an assembly self-propelled Au-Pt rods. In both situations, we have identified different types motion at surface evaluated fraction that displayed ballistic trajectories (active swimmers) with respect those showing random-like behavior. studied effect this complex swimming activity on diffusivity passive tracers also present surface. found tracer is...

10.1103/physrevlett.106.048102 article EN publisher-specific-oa Physical Review Letters 2011-01-25

10.1016/j.jqsrt.2015.03.025 article EN Journal of Quantitative Spectroscopy and Radiative Transfer 2015-04-06

It was recently shown that radiation, conduction and convection can be combined within a single Monte Carlo algorithm such an immediately benefits from state-of-the-art computer-graphics advances when dealing with complex geometries. The theoretical foundations make this coupling possible are fully exposed for the first time, supporting intuitive pictures of continuous thermal paths run through different physics at work. First, frameworks propagators Green's functions used to demonstrate...

10.1371/journal.pone.0283681 article EN cc-by PLoS ONE 2023-04-06

Monte Carlo is famous for accepting model extensions and refinements up to infinite dimension. However, this powerful incremental design based on a premise which has severely limited its application so far: state-variable can only be recursively defined as function of underlying state-variables if linear. Here we show that alleviated by projecting nonlinearities onto polynomial basis increasing the configuration space Considering phytoplankton growth in light-limited environments, radiative...

10.1038/s41598-018-31574-4 article EN cc-by Scientific Reports 2018-08-30

There are many problems associated with the methods for scaling microalgae culture systems. Mathematical models - predictive in particular considered key, but most of them require specialist programming and computer science skills. Even where these skills available, new parameters (such as radiative properties determining effect light attenuation on photosynthetic growth) have to be determined each application model a strain microalgae, this itself is highly complex. Consequently, used field...

10.1016/j.algal.2024.103517 article EN cc-by Algal Research 2024-04-25

This article proposes a statistical numerical method to address gas kinetics problems obeying the Boltzmann equation. is inspired by Monte Carlo algorithms used in linear transport physics, where virtual particles are followed backwards time along their paths. The nonlinear character of translates, simulations presented here, into branchings particle obtained have displayed few tests here two noticeable qualities: (1) they involve no mesh and (2) allow one easily compute density at rarefied...

10.1103/physreve.105.025305 article EN Physical review. E 2022-02-08

A new method to determine the hemispherical incident light (photon) flux density onto cylindrical photoreactors or photobioreactors is presented. It applies situations where photo(bio)reactor radially illuminated by surrounding artificial sources solar light. relies on direct measurement of a fluence rate with spherical sensor put at center reactor. Theoretical relations leading calculation from value are established, and web application performing those calculations made available. view...

10.1021/acs.iecr.2c04151 article EN Industrial & Engineering Chemistry Research 2023-03-08

The work presented here focuses on the numerical modeling of cylindrical structure eigenmodes with an arbitrary cross section using Gegenbauer polynomials. new eigenvalue equation leads to considerable reduction in computation time compared previous formulation. main idea this formulation involves considering that scheme can be partially separated into two independent parts and size matrix may reduced by a factor 2. We show ratio times between first current versions follows linear relation...

10.1364/josaa.31.002174 article EN Journal of the Optical Society of America A 2014-09-08
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