Home > Research > Publications & Outputs > Analytical Solution of Thermal Performance in M...

Links

Text available via DOI:

View graph of relations

Analytical Solution of Thermal Performance in Metal Foam Partially Filled Channel with Asymmetric Wall Heat Flux

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Published

Standard

Analytical Solution of Thermal Performance in Metal Foam Partially Filled Channel with Asymmetric Wall Heat Flux. / Xing, Xianghai; Wu, Zhigen; Du, Yanping et al.
In: Energies, Vol. 18, No. 3, 505, 23.01.2025.

Research output: Contribution to Journal/MagazineJournal articlepeer-review

Harvard

APA

Vancouver

Xing X, Wu Z, Du Y, Lu W, Wu Y, Xiong Z. Analytical Solution of Thermal Performance in Metal Foam Partially Filled Channel with Asymmetric Wall Heat Flux. Energies. 2025 Jan 23;18(3):505. doi: 10.3390/en18030505

Author

Bibtex

@article{3600d0f22b204ebca5fc1fde37c44f57,
title = "Analytical Solution of Thermal Performance in Metal Foam Partially Filled Channel with Asymmetric Wall Heat Flux",
abstract = "An analytical solution is conducted on forced convection in a metal foam partially filled plate channel under asymmetric heat flux conditions, with the aim of optimizing heat transfer performance. The Darcy–Brinkman model and the local thermal non-equilibrium (LTNE) model are employed to predict heat transfer characteristics under varying heat flux ratios (q1/q2). Key parameters such as the free zone height, pore density, and thermal conductivity ratio significantly influence heat transfer efficiency. The results indicate that the height of the free region has a greater impact on the flow distribution than porosity and pore density. When the non-dimensional height of the free region is 0.3, the flow fraction in the free region reaches 80%. When the free zone height is H = 0.1, the heat exchanger heat transfer coefficient reaches its maximum value, and the combination of copper (Cu) and R134a refrigerant demonstrates superior convective heat transfer performance compared to the empty channel. Their optimization can lead to substantial improvements in the heat transfer effectiveness of the channel.",
author = "Xianghai Xing and Zhigen Wu and Yanping Du and Wei Lu and Yupeng Wu and Zhibo Xiong",
year = "2025",
month = jan,
day = "23",
doi = "10.3390/en18030505",
language = "English",
volume = "18",
journal = "Energies",
issn = "1996-1073",
publisher = "Multidisciplinary Digital Publishing Institute (MDPI)",
number = "3",

}

RIS

TY - JOUR

T1 - Analytical Solution of Thermal Performance in Metal Foam Partially Filled Channel with Asymmetric Wall Heat Flux

AU - Xing, Xianghai

AU - Wu, Zhigen

AU - Du, Yanping

AU - Lu, Wei

AU - Wu, Yupeng

AU - Xiong, Zhibo

PY - 2025/1/23

Y1 - 2025/1/23

N2 - An analytical solution is conducted on forced convection in a metal foam partially filled plate channel under asymmetric heat flux conditions, with the aim of optimizing heat transfer performance. The Darcy–Brinkman model and the local thermal non-equilibrium (LTNE) model are employed to predict heat transfer characteristics under varying heat flux ratios (q1/q2). Key parameters such as the free zone height, pore density, and thermal conductivity ratio significantly influence heat transfer efficiency. The results indicate that the height of the free region has a greater impact on the flow distribution than porosity and pore density. When the non-dimensional height of the free region is 0.3, the flow fraction in the free region reaches 80%. When the free zone height is H = 0.1, the heat exchanger heat transfer coefficient reaches its maximum value, and the combination of copper (Cu) and R134a refrigerant demonstrates superior convective heat transfer performance compared to the empty channel. Their optimization can lead to substantial improvements in the heat transfer effectiveness of the channel.

AB - An analytical solution is conducted on forced convection in a metal foam partially filled plate channel under asymmetric heat flux conditions, with the aim of optimizing heat transfer performance. The Darcy–Brinkman model and the local thermal non-equilibrium (LTNE) model are employed to predict heat transfer characteristics under varying heat flux ratios (q1/q2). Key parameters such as the free zone height, pore density, and thermal conductivity ratio significantly influence heat transfer efficiency. The results indicate that the height of the free region has a greater impact on the flow distribution than porosity and pore density. When the non-dimensional height of the free region is 0.3, the flow fraction in the free region reaches 80%. When the free zone height is H = 0.1, the heat exchanger heat transfer coefficient reaches its maximum value, and the combination of copper (Cu) and R134a refrigerant demonstrates superior convective heat transfer performance compared to the empty channel. Their optimization can lead to substantial improvements in the heat transfer effectiveness of the channel.

U2 - 10.3390/en18030505

DO - 10.3390/en18030505

M3 - Journal article

VL - 18

JO - Energies

JF - Energies

SN - 1996-1073

IS - 3

M1 - 505

ER -