Special Issues

Advances in Microscale Fluid Flow, Heat Transfer, and Phase Change

Submission Deadline: 28 February 2026 View: 335 Submit to Special Issue

Guest Editors

Assoc. Prof. Liaofei Yin

Email: yinliaofei@bjtu.edu.cn

Affiliation: Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, 100044, China

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Research Interests: boiling/evaporation, two-phase flow and heat transfer, advanced thermal management

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Assoc. Prof. Chao Dang

Email: chdang@bjtu.edu.cn

Affiliation: Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, 100044, China

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Research Interests: micro-scale flow and phase change heat transfer theory, advanced thermal management technology, aerospace vehicle thermal control and thermal protection technology, supersonic/hypersonic aerodynamic heat/force experimental and simulation technology, medical engineering intersection and multi-physical field numerical simulation technology

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Dr. Yi Ding

Email: yiding1@bjtu.edu.cn

Affiliation: Beijing Key Laboratory of Flow and Heat Transfer of Phase Changing in Micro and Small Scale, School of Mechanical, Electronic and Control Engineering, Beijing Jiaotong University, Beijing, 100044, China

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Research Interests: condensation, icing, droplet wetting, and droplet dynamics

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Summary

With the growing demand for compact, high-performance thermal systems in electronics, energy, aerospace, biomedical, and environmental applications, microscale fluid flow and phase-change heat transfer have become critical research frontiers. Microscale flow and heat transfer processes, especially those involving phase transitions such as boiling, condensation, droplet evaporation, and solid-liquid transformations, exhibit unique behaviors governed by surface micro/nanostructures, fluid–solid interactions, and flow confinement. These features present both scientific challenges and technological opportunities for innovative thermal management solutions, energy conversion systems, and lab-on-a-chip platforms, etc.

This Special Issue aims to showcase recent progress and future directions in the science and engineering of microscale fluid flow, heat transfer, and phase-change processes. It invites original research, reviews, and perspective articles from diverse disciplines, with a focus on fundamental mechanisms, modeling techniques, experimental innovations, and application-driven studies. By bringing together contributions from heat transfer, fluid mechanics, materials science, micro/nanotechnology, and artificial intelligence, this Special Issue seeks to foster cross-disciplinary collaboration and inspire novel solutions for thermal challenges at small scales.

Topics of interest include, but are not limited to:
· Microscale boiling, condensation, evaporation, and freezing
· Two-phase flow in microchannels, porous media, and hybrid structures
· Capillary-driven flow, wick structures, and transpiration cooling
· Droplet impact dynamics, wetting control, and icing behavior
· Flow, heat transfer, mixing, and mass diffusion in microfluidic chips
· Biomimetic thermal designs and nature-inspired heat transfer enhancement
· Micro/nanostructured surface engineering for phase change intensification
· Advanced diagnostics and visualization in microscale thermofluid systems
· Machine learning and physical-informed neural networks in thermal transport modeling
· Multiscale modeling and coupled thermal-fluid-chemical simulations


Keywords

microscale heat transfer; two-phase flow; phase-change phenomena; microfluidics; droplet dynamics; thermal management; physical-informed neural networks; biomimetic heat transfer

Published Papers


  • Open Access

    ARTICLE

    Experimental Study on the Flow Boiling of R134a in Sintered Porous Microchannels

    Shuo Wang, Huiming Wang, Ying Zhang, Zhiqiang Zhang, Li Jia
    Frontiers in Heat and Mass Transfer, DOI:10.32604/fhmt.2025.073226
    (This article belongs to the Special Issue: Advances in Microscale Fluid Flow, Heat Transfer, and Phase Change)
    Abstract This experimental investigation was conducted on the flow boiling performance of refrigerant R134a in two types of parallel microchannels: sintered porous microchannels (PP-MCs) and smooth parallel microchannels (SP-MCs). The tests were performed under controlled conditions including an inlet subcooling of 5 ± 0.2°C, saturation temperature of 33°C, mass fluxes of 346 and 485 kg/m2·s, and a range of heat fluxes. Key findings reveal that the sintered porous microstructure significantly enhances bubble nucleation, reducing the wall superheat required for the onset of nucleate boiling (ONB) to only 0.13°C compared to 2.2°C in smooth channels. The porous structure… More >

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