Global existence of the non-isothermal Poisson–Nernst–Planck–Fourier system

Chia Yu Hsieh, Tai Chia Lin, Chun Liu, Pei Liu

Research output: Contribution to journalArticle

Abstract

In this paper, we use the Energetic Variational Approach to derive a non-isothermal electrokinetic model. The charge transport is described through the Poisson–Nernst–Planck equations with variable temperature, and the heat flux satisfies the Fourier's law. This Poisson–Nernst–Planck–Fourier model satisfies both the first law and second law of thermodynamics as well as the Onsager's reciprocal relations, thus it is thermodynamic-consistent. Finally, we prove the global well-posedness for this model under the smallness assumption of the initial data by the energy method.

Original languageEnglish (US)
Pages (from-to)7287-7310
Number of pages24
JournalJournal of Differential Equations
Volume269
Issue number9
DOIs
StatePublished - Oct 15 2020

All Science Journal Classification (ASJC) codes

  • Analysis
  • Applied Mathematics

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