Heat and Mass Transfer in Nanoporous Media

A special issue of Thermo (ISSN 2673-7264).

Deadline for manuscript submissions: closed (31 March 2026) | Viewed by 939

Special Issue Editors

School of Automotive and Traffic Engineering, Jiangsu University, Zhenjiang 212013, China
Interests: porous media; heat and mass transfer in fuel cell system; cross-scale multiphase flow; phase change heat transfer; hydrothermal management

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Guest Editor
Materials Science, Energy, and Nano-Engineering MSN Department, Mohammed VI Polytechnic University, Hay Moulay Rachid, Lot 660, Ben Guerir 43150, Morocco
Interests: thermodynamics; fluid phase equilibrium; structure–properties relationships; various thermodynamic-based models; process simulation models
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Special Issue Information

Dear Colleagues,

Heat and mass transfer in nanoporous media represents a critical frontier in thermal sciences, with far-reaching applications in energy, environmental, and material technologies. These media—characterized by high surface area and nanoscale pore confinement—exhibit unique and often non-classical transport behaviors. They are central to the performance of systems such as catalysts, adsorbents, membranes, and porous geological formations.

In nanoporous systems, thermal transport is governed by mechanisms that extend beyond conventional conduction and radiation. Phonon scattering, boundary effects, and deviations from Fourier’s law become significant. Similarly, mass transport is shaped by phenomena like Knudsen diffusion, surface diffusion, capillary flow, and adsorption–desorption kinetics, which are amplified under nanoconfinement.

Understanding the coupled behavior of heat and mass transfer in these environments is crucial for optimizing functional performance in applications including thermal insulation, phase change energy storage, water purification, and gas separation. Recent advancements in multiscale modeling, imaging techniques, and nanoscale diagnostics have accelerated progress in this area.

This Special Issue invites cutting-edge contributions that deepen our understanding of transport phenomena in nanoporous systems. Topics of interest include, but are not limited to, the following:

  • Fundamental heat and mass transfer mechanisms in nanoporous media;
  • Modeling and simulation at the nano-to-microscale interface;
  • Experimental investigations of thermal and mass transport in confined geometries;
  • Coupled transport in hybrid porous structures or functionalized materials;
  • Influence of surface chemistry, porosity, and morphology on transfer properties;
  • Applications in energy storage, environmental remediation, and membrane technologies.

Dr. Sheng Xu
Prof. Dr. Johan Jacquemin
Guest Editors

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Keywords

  • nanoporous media
  • heat transfer
  • mass transport
  • Knudsen diffusion
  • surface effects
  • thermal insulation
  • phase change storage
  • confined flow
  • energy systems
  • nanoscale transport phenomena

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Published Papers (1 paper)

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Research

25 pages, 2843 KB  
Article
Analysis of Conductive Heat Transfer and Moisture Diffusion Through the Insulated Wall of a Refrigerated Warehouse
by Laurențiu Mihail Constantin, Lavinia Grosu, Tiberiu Catalina, Adalia Andreea Percembli (Chelmuș), Daniel Taban, Claudia Ioniță and Alexandru Dobrovicescu
Thermo 2026, 6(2), 27; https://doi.org/10.3390/thermo6020027 - 18 Apr 2026
Viewed by 240
Abstract
This study investigates steady-state conductive heat transfer and water-vapor diffusion through the external wall of a refrigerated warehouse with a specified load-bearing wall assembly. The formal analogy between heat conduction and mass diffusion is stated and used to establish a practical calculation framework [...] Read more.
This study investigates steady-state conductive heat transfer and water-vapor diffusion through the external wall of a refrigerated warehouse with a specified load-bearing wall assembly. The formal analogy between heat conduction and mass diffusion is stated and used to establish a practical calculation framework for estimating heat and moisture ingress through multilayer cold-store walls. Calculation routines are presented to determine the temperature field and the corresponding water-vapor saturation and partial-pressure distributions across (and within) the insulation layer, enabling the identification of regions prone to interstitial condensation. The analysis highlights the roles of (i) the vapor diffusion resistance of the vapor barrier layer, (ii) the thermal resistance of the insulation, and (iii) key outdoor boundary conditions in governing condensation risk. Increasing insulation thermal resistance reduces external heat gains; however, it may also increase the likelihood of condensation in layers close to the cold side by lowering local temperatures and saturation pressures. Among external parameters, outdoor relative humidity exerts the strongest influence on interstitial condensation risk. For the investigated wall assembly, increasing outdoor relative humidity by 50% shifts the condensation onset location within the insulation toward mid-thickness. The effects of vapor barrier diffusion resistance, insulation thermal resistance, and changes in outdoor conditions (relative humidity, temperature, and wind speed) are reported in tabulated form and illustrated through pressure–position and temperature–position profiles. Full article
(This article belongs to the Special Issue Heat and Mass Transfer in Nanoporous Media)
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