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NPJ Microgravity. 2017 Aug 11;3:20. doi: 10.1038/s41526-017-0026-8. eCollection 2017.

Thermodiffusion in multicomponent .

NPJ microgravity

Guillaume Galliero, Henri Bataller, Jean-Patrick Bazile, Joseph Diaz, Fabrizio Croccolo, Hai Hoang, Romain Vermorel, Pierre-Arnaud Artola, Bernard Rousseau, Velisa Vesovic, M Mounir Bou-Ali, José M Ortiz de Zárate, Shenghua Xu, Ke Zhang, François Montel, Antonio Verga, Olivier Minster

Affiliations

  1. Laboratoire des Fluides Complexes et leurs Réservoirs-IPRA, E2S, UMR5150, Univ Pau & Pays Adour/CNRS/TOTAL, 64000 Pau, France.
  2. Centre National d'Etudes Spatiales (CNES) 2, Place Maurice Quentin, 75001 Paris, France.
  3. Laboratoire de Chimie-Physique, UMR 8000 CNRS, Université Paris-Sud, Orsay, France.
  4. Department of Earth Science and Engineering, Imperial College London, London, UK.
  5. MGEP Mondragon GoiEskola Politeknikoa, Mechanical and Industrial Manufacturing Department, Mondragon, Spain.
  6. Departamento de Física Aplicada I. Universidad Complutense, Madrid, Spain.
  7. Key Laboratory of Microgravity, Institute of Mechanics, Chinese Academy of Science, Beijing, China.
  8. State Key Laboratory of Enhanced Oil Recovery (Research Institute of Petroleum Exploration & Development), CNPC, Beijing, China.
  9. TOTAL Exploration Production, Pau, France.
  10. European Space Agency, ESTEC, Noordwijk, The Netherlands.

PMID: 28879228 PMCID: PMC5554197 DOI: 10.1038/s41526-017-0026-8

Abstract

Compositional grading within a mixture has a strong impact on the evaluation of the pre-exploitation distribution of hydrocarbons in underground layers and sediments. Thermodiffusion, which leads to a partial diffusive separation of species in a mixture due to the geothermal gradient, is thought to play an important role in determining the distribution of species in a reservoir. However, despite recent progress, thermodiffusion is still difficult to measure and model in multicomponent mixtures. In this work, we report on experimental investigations of the thermodiffusion of multicomponent

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