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Double-diffusive convection in a plane layer with low thermal conductivity boundaries

  • Original paper

  • Publishing model:

    Open access

  • Published:

    15 September 2025

  • Volume:

    pages 3329–3336, (2016)

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Abstract

This study examines double-diffusive convection in a horizontal fluid layer with low thermal conductivity boundaries, where the heat flux is fixed. Using linear stability analysis and nonlinear modeling, the behavior of the system is explored under different thermal and concentration gradients. Two instability modes are identified: monotonous and oscillatory. The monotonous mode, exhibiting longwave patterns, dominates when both gradients contribute to instability. The oscillatory mode occurs when the gradients oppose each other, with stability thresholds dependent on system parameters. Nonlinear modeling confirms the linear theory, showing longwave patterns near the instability threshold and oscillatory behavior when gradients are opposed. These findings offer insights into double-diffusive convection in systems with low thermal conductivity boundaries.

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The Application of Generative AI in User Experience Design and Research: An Industry Practice Survey

1. Introduction

  • The Importance of User Experience in Digital Product Development
  • The History and Current State of AI Applications in the UX Field
  • Research Background and Motivation
  • Research Questions: RQ1: How do companies allow the use of GenAI in the UX department and existing policies? RQ2: How do UX practitioners and teams integrate GenAI into their work practices? RQ3: Current challenges and needs of GenAI in UX industry practices

2. Related Work

Table of Contents

Recurrent themes in Biomedical Informatics

Keywords

Double-diffusive convection Low thermal conductivity boundaries Linear stability analysis Nonlinear modeling Monotonous and oscillatory modes

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