Heat transfer characteristics of oblique jet impingement liquid film cooling in the forced convection mode

Liu, Chuansheng; Huang, Zuohua; Tang, Chenglong

doi:10.1016/j.ijheatmasstransfer.2023.124814

International Journal of Heat and Mass Transfer

2024

DOI: 10.1016/j.ijheatmasstransfer.2023.124814

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Heat transfer characteristics of oblique jet impingement liquid film cooling in the forced convection mode

Chuansheng Liu,

Zuohua Huang,

Chenglong Tang

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Cited by 3 publications

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Nanoengineering‐Enhanced Capillary Cooling Achieves Sustained Thermal Protection for Ultra‐High Heat Flux and Temperature

Xu,

Zhou,

Liao

et al. 2024

Advanced Materials

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Extreme thermal conditions with heat flux densities exceeding 1 MW·m−2 or temperatures reaching up to 1000 °C are prevalent in various situations. However, the ability of thermal protection either depends on specialized materials or is currently limited with existing cooling schemes. Herein, we propose an innovative cooling scheme that relies on evaporation‐driven capillary flow enhanced by nanoengineering‐designed porous structures with common materials. Experimentally‐obtained capillary flow cooling curve identifies critical heat flux corresponding to evaporation‐driven flow stage, where coolants cool the surface and subsequent vapor impedes heat transfer from thermal boundaries. Nanoengineering provides opportunities for enhanced capillary flow, which proves to endow bronze, TC4, and Al2O3 with thermal protection ability 50%−180% higher than that without nanoengineering‐designed. Our scheme achieves critical heat flux up to 2.0‐3.1 MW·m−2, and performs thermal dissipation capacity almost twice higher than inherent latent heat of coolant. Furthermore, in a supersonic wind tunnel with total temperature reaching up to 1792 K, our scheme effectively protects surfaces by cooling them to surface temperatures below 500 K. Nanoengineering‐enhanced capillary cooling gives access to the application of common materials for high‐temperature and high‐heat‐flux environments and paves the way for the development of lightweight, long‐lasting, and large‐scale solutions for thermal protection.This article is protected by copyright. All rights reserved

show abstract

Nanoengineering‐Enhanced Capillary Cooling Achieves Sustained Thermal Protection for Ultra‐High Heat Flux and Temperature

Xu,

Zhou,

Liao

et al. 2024

Advanced Materials

View full text Add to dashboard Cite

show abstract

Flow behavior and heat transfer characteristics of liquid film on vertical hot surface by inclined jet impingement

Hu,

Lin,

et al. 2025

International Journal of Heat and Mass Transfer

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Velocity-driven optimization of film cooling in methane/oxygen rocket engines using coupled wall function

Liu,

Zhang,

Wei

et al. 2024

Thermal Science and Engineering Progress

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Heat transfer characteristics of oblique jet impingement liquid film cooling in the forced convection mode

Cited by 3 publications

References 21 publications

Nanoengineering‐Enhanced Capillary Cooling Achieves Sustained Thermal Protection for Ultra‐High Heat Flux and Temperature

Nanoengineering‐Enhanced Capillary Cooling Achieves Sustained Thermal Protection for Ultra‐High Heat Flux and Temperature

Flow behavior and heat transfer characteristics of liquid film on vertical hot surface by inclined jet impingement

Velocity-driven optimization of film cooling in methane/oxygen rocket engines using coupled wall function

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