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About this Research Topic

Abstract Submission Deadline 16 December 2022
Manuscript Submission Deadline 24 February 2023

Thermal transport differs significantly between nanostructures, nanostructured materials, and their bulk counterparts. Computational and experimental studies over the last two decades have revealed several new phenomena such as phonon confinement, blocking/focusing, or coherent, collective thermohydrodynamics, as well as rectification effects and new regimes such as ballistic or quasiballistic related to like-Levy phonon flights. The Boltzmann Transport Equation cannot capture these phenomena, as there is a breakdown of the macroscopic well-established heat dissipation theory due to the relative comparison of the phonon mean free paths with the characteristic dimensions of the nanostructures, as well as the presence of interfaces and free surfaces.

As analysts are interested in applying thermophysical properties in miniature systems, the study of classical thermodynamics on nano- and micro- scales necessitates a distinct approach. Heat transfer is a broad area of thermodynamics that primarily describes a class of conduction, convection, and radiation. Furthermore, its application encompasses a wide range of new knowledge in micro- and nano- geometries. For example, it miniaturizes microelectronic thermal components, resulting in higher demands on net heat flux dissipation. It may also have applications in the thermal management of micro/power electronics. Heat transfer and fluid flow at the nano/micro scale are complex phenomena that derive transport properties such as thermal conductivity, viscosity, and mass diffusion coefficient from a microscopic perspective.

The goal of this Research Topic is to highlight advances made in the research area of nanoscale and microscale heat transport, including associated engineering applications.

Areas of particular interest to be covered in this Research Topic focused on nanoscale and microscale heat transport with engineering applications include, but are not limited to, the following:
• Micro- and nano- fluidics
• Heat transfer enhancement
• Electronics cooling
• Phase-change heat transfer
• Thermal and energy management

All manuscript types are welcome.

Keywords: heat transfer, nanofluids, cooling, microscale, nanoscale, micro- nanofluidics, MEMS


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

Thermal transport differs significantly between nanostructures, nanostructured materials, and their bulk counterparts. Computational and experimental studies over the last two decades have revealed several new phenomena such as phonon confinement, blocking/focusing, or coherent, collective thermohydrodynamics, as well as rectification effects and new regimes such as ballistic or quasiballistic related to like-Levy phonon flights. The Boltzmann Transport Equation cannot capture these phenomena, as there is a breakdown of the macroscopic well-established heat dissipation theory due to the relative comparison of the phonon mean free paths with the characteristic dimensions of the nanostructures, as well as the presence of interfaces and free surfaces.

As analysts are interested in applying thermophysical properties in miniature systems, the study of classical thermodynamics on nano- and micro- scales necessitates a distinct approach. Heat transfer is a broad area of thermodynamics that primarily describes a class of conduction, convection, and radiation. Furthermore, its application encompasses a wide range of new knowledge in micro- and nano- geometries. For example, it miniaturizes microelectronic thermal components, resulting in higher demands on net heat flux dissipation. It may also have applications in the thermal management of micro/power electronics. Heat transfer and fluid flow at the nano/micro scale are complex phenomena that derive transport properties such as thermal conductivity, viscosity, and mass diffusion coefficient from a microscopic perspective.

The goal of this Research Topic is to highlight advances made in the research area of nanoscale and microscale heat transport, including associated engineering applications.

Areas of particular interest to be covered in this Research Topic focused on nanoscale and microscale heat transport with engineering applications include, but are not limited to, the following:
• Micro- and nano- fluidics
• Heat transfer enhancement
• Electronics cooling
• Phase-change heat transfer
• Thermal and energy management

All manuscript types are welcome.

Keywords: heat transfer, nanofluids, cooling, microscale, nanoscale, micro- nanofluidics, MEMS


Important Note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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