Optimal design of maximally amplified thermal concentrators with homogeneous and isotropic materials

Wu, Chen-Long; Wang, Bin; Wang, Hao; Yao, Neng-Zhi; Wang, Xuesheng

doi:10.1016/j.icheatmasstransfer.2024.107326

International Communications in Heat and Mass Transfer

2024

DOI: 10.1016/j.icheatmasstransfer.2024.107326

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Optimal design of maximally amplified thermal concentrators with homogeneous and isotropic materials

Chen-Long Wu,

Bin Wang,

Hao Wang

et al.

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2024

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Cited by 2 publications

References 38 publications

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Thermal concentrating efficiency enhanced for multilayer circular thermal concentrators with gradient structures

Hou,

Chen,

Xie

et al. 2024

International Journal of Heat and Mass Transfer

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Thermal concentrating efficiency enhanced for multilayer circular thermal concentrators with gradient structures

Hou,

Chen,

Xie

et al. 2024

International Journal of Heat and Mass Transfer

View full text Add to dashboard Cite

Meta-hydrodynamics for freely manipulating fluid flows

Wu,

Wang,

Yao

et al. 2024

Physics of Fluids

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Flow control technologies play a crucial role in modern engineering and scientific research. Hydrodynamic metamaterials, as an emerging branch in the field of flow control, have attracted extensive research due to their remarkable potential in flow control, thus leading to the development of hydrodynamic metadevices. Here, we propose a meta-hydrodynamics theory for the active manipulation of fluid flows, which establishes an equivalence relation between volumetric forces and spaces and, consequently, allows for the design of active hydrodynamic metadevices. This equivalence relation can be utilized to accurately tailor the flow fields as long as the manipulation effects of the hydrodynamic metadevices on the flow fields are predetermined. By constructing a mapping relation of coordinate transformation from virtual space to physical space, we can determine the required volumetric force distributions to realize these hydrodynamic metadevices. We exemplify this theory with three different applications: hydrodynamic cloaks, concentrators, and rotators, for which we calculate the corresponding volumetric force distributions. Subsequent numerical simulations reveal the excellent manipulation performances of these hydrodynamic metadevices in both uniform and non-uniform flow fields. Finally, our research is expected to pioneer new perspectives in the development of hydrodynamic metadevices and methodologies for flow control under nonlinear flows with high Reynolds numbers.

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Optimal design of maximally amplified thermal concentrators with homogeneous and isotropic materials

Cited by 2 publications

References 38 publications

Thermal concentrating efficiency enhanced for multilayer circular thermal concentrators with gradient structures

Thermal concentrating efficiency enhanced for multilayer circular thermal concentrators with gradient structures

Meta-hydrodynamics for freely manipulating fluid flows

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