Simulation of Heat Transfer in a Nanoparticle Enhanced Phase Change Material to Design Battery Thermal Management Systems: A Lattice Boltzmann Method Study

Hu, Yinquan and Jasim, Dheyaa J. and Alizadeh, As'ad and Rahmani, Amin and Al-Shati, Ahmed Salah and Zarringhalam, Majid and Shamsborhan, Mahmoud and Nasajpour-Esfahani, Navid (2023) Simulation of Heat Transfer in a Nanoparticle Enhanced Phase Change Material to Design Battery Thermal Management Systems: A Lattice Boltzmann Method Study. Journal of the Taiwan Institute of Chemical Engineers, 152: 105137. ISSN 18761070

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Abstract

In the present paper, the natural convection of phase change material (PCM) in a T-shaped cavity is investigated by the lattice Boltzmann method (LBM). In recent years, LBM has become a powerful method for computational modeling of a broad variety of complex fluid flow concerns, including the simulation of the melting process in PCMs. The enclosure contains CuO nanoparticles and two constant temperature heat sources on the sidewalls of the cavity. The obtained results are presented in different Rayleigh numbers (Ra=103–105), cavity angles (θ = 0 − 90), the volume fraction of nanoparticles (ϕ = 0 − 0.03), and aspect ratios. Results show that the PCM melting speed is lower for low Rayleigh numbers compared to when the number is equal to 105 by 50%. To alter melting time in a specific Ra number, adding nanoparticles, changing cavity slope, and aspect ratio are investigated. Results show that the melting rate is little affected by the addition of nanoparticles but, generally adding nanoparticles delays PCM melting. Raising the distance between the battery and the top of the cavity is known to delay melting by 70% when the distance ratio increase from H1/H = 0.25 to 075, whereas increasing or lowering the distance between the batteries does not affect the melting time. Such a study can be used to design battery thermal management systems (BTMS).

Item Type: Article
Uncontrolled Keywords: Nanoparticle Enhanced Phase Change Material, Heat Transfer Simulation, Battery Thermal Management, Lattice Boltzmann Method, Design Optimization
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
Divisions: Department of Civil Engineering > Research papers
Depositing User: ePrints Depositor
Date Deposited: 30 Oct 2024 19:12
Last Modified: 30 Oct 2024 19:12
URI: https://eprints.cihanuniversity.edu.iq/id/eprint/2112

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