Numerical investigation on the melting of nanoparticle-enhanced phase change materials (NEPCM) in a bottom-heated rectangular cavity using lattice Boltzmann method

Feng, Yongchang; Li, Huixiong; Li, Liangxing; Lin, Bin; Wang, Tai

doi:10.1016/j.ijheatmasstransfer.2014.10.048

Cited by 138 publications

(25 citation statements)

References 37 publications

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“…As mentioned in Feng et al [59], the local Nusselt number on the heated wall can be calculated as the product of the instantaneous dimensionless temperature gradient and the ratio of the thermal conductivity of NEPCM to that of the pure PCM.…”

Section: Nanoparticle-enhanced Phase Change Materials (Nepcm)mentioning

confidence: 99%

RETRACTED ARTICLE: Melting of nanoparticles-enhanced phase change material (NEPCM) in vertical semicircle enclosure: numerical study

Jourabian

Farhadi

2015

J Mech Sci Technol

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Convection melting of ice as a Phase change material (PCM) dispersed with Cu nanoparticles, which is encapsulated in a semicircle enclosure is studied numerically. The enthalpy-based Lattice Boltzmann method (LBM) combined with a Double distribution function (DDF) model is used to solve the convection-diffusion equation. The increase in solid concentration of nanoparticles results in the enhancement of thermal conductivity of PCM and the decrease in the latent heat of fusion. By enhancing solid concentration of nanoparticles, the viscosity of nanofluid increases and convective heat transfer dwindles. For all Rayleigh numbers investigated in this study, the insertion of nanoparticles in PCM has no effect on the average Nusselt number.

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Section: Nanoparticle-enhanced Phase Change Materials (Nepcm)mentioning

confidence: 99%

RETRACTED ARTICLE: Melting of nanoparticles-enhanced phase change material (NEPCM) in vertical semicircle enclosure: numerical study

Jourabian

Farhadi

2015

J Mech Sci Technol

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“…Most of the existing thermal LB models for solid-liquid phase change can be generally classified into two major categories: the phase-field method [221][222][223][224][225][226][227][228] and the enthalpy-based method [54][55][56][57][58][75][76][77][78][79][80][81]194,[229][230][231][232][233][234][235][236][237][238][239][240][241][242][243][244][245][246]. Besides, a couple of LB models were recently developed based on some interface-tracking methods [180,247].…”

Section: The Lb Methods For Solid-liquid Phase-change Heat Transfermentioning

confidence: 99%

Lattice Boltzmann methods for single-phase and solid-liquid phase-change heat transfer in porous media: A review

Liu

et al. 2019

International Journal of Heat and Mass Transfer

204

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Since its introduction 30 years ago, the lattice Boltzmann (LB) method has achieved great success in simulating fluid flows and modeling physics in fluids. Owing to its kinetic nature, the LB method has the capability to incorporate the essential microscopic or mesoscopic physics, and it is particularly successful in modeling transport phenomena involving complex boundaries and interfacial dynamics.The LB method can be considered to be an efficient numerical tool for fluid flow and heat transfer in porous media. Moreover, since the LB method is inherently transient, it is especially useful for investigating transient solid-liquid phase-change processes wherein the interfacial behaviors are very important. In this article, a comprehensive review of the LB methods for single-phase and solid-liquid phase-change heat transfer in porous media at both the pore scale and representative elementary volume (REV) scale. The review first introduces the fundamentals of the LB method for fluid flow and heat transfer. Then the REV-scale LB method for fluid flow and single-phase heat transfer in porous media, and the LB method for solid-liquid phase-change heat transfer, are described. Some applications 2 of the LB methods for single-phase and solid-liquid phase-change heat transfer in porous media are provided. In addition, applications of the LB method to predict effective thermal conductivity of porous materials are also provided. Finally, further developments of the LB method in the related areas are discussed. Keyword: Lattice Boltzmann method; Single-phase heat transfer; Solid-liquid phase change; Porous media proposed the RLBE model with an enhanced collision operator, which was shown to be linearly stable. Based on the Bhatnagar-Gross-Krook (BGK) collision operator [104], the LB model using a single relaxation time, referred to as the BGK-LB model, has been independently proposed by Chen et al. [14], Koelman [15], and Qian et al. [16]. In the BGK-LB model, the equilibrium distribution function is chosen to recover the incompressible N-S equations in the incompressible limit. Due to its high efficiency and extreme simplicity, the BGK-LB model has become the most popular LB model, in spite of some well-known deficiencies (e.g., numerical instability, viscosity dependence of boundary 9 locations). Almost at the same time when the BGK-LB method was developed, d'Humières [17] proposed the multiple-relaxation-time (MRT) LB method. The MRT-LB equation (also referred to as generalized lattice Boltzmann equation (GLBE)) is an important extension of the RLBE proposed by Higuera et al. [12,13]. This work is significant because, in addition to it overcomes some deficiencies of the BGK-LB model, it facilitates the extension of the LB method, expanding the applications to a much wider range of phenomena and processes.In 1997, a direct connection between the LB equation and the continuous Boltzmann equation in kinetic theory was rigorously established by He and Luo [19,20]. In particular, it has been demonstrated that the LB equation c...

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“…Heat can be stored in two ways, either by using a physical method or by applying thermo-chemical energy method. Through the use of physical techniques, heat can be stored in sensible or latent heat form [8]. In sensible heat storage, the thermal energy is stored by simply increasing the temperature of the storage media, although the mass and material property of the media play important roles.…”

Section: Introductionmentioning

confidence: 99%

“…The LHTES is a potential and proven solution to realistically and effectively offset the unreliability issues associated with renewable energy resources [2,[11][12][13][14][15] and has also been used in a diverse range of industrial applications, such as metal processing, food preservation, solidification of castings, building systems, and electronics cooling [8,[16][17][18][19][20][21][22]. TES has also been used as an integrated component in solar thermal systems [23,24].…”

Section: Introductionmentioning

confidence: 99%

Investigation of heat transfer during melting of a PCM by a U-shaped heat source

Bashar

Siddiqui

2017

Int J Energy Res

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Summary An experimental study was conducted to investigate the melting process of a phase change material (PCM) and the associated convection heat transfer due to a U‐shaped heat source embedded in the PCM. The experiments were conducted at four input heat fluxes that varied from 3450 to 5840 W/m2. The results showed that the heat transfer behavior, interface movement, and the heat transfer coefficients differed both axially and vertically inside the chamber. The local convective heat transfer coefficient in the inner region, enclosed by the U‐tube, was found to be about 35% higher than that in the outer region over the input heat flux range, resulting in faster melting in the inner region than in the outer region. As melted domain grew vertically from 15% to 100%, it was observed that the overall h in the inner region increased by 40–55% from the lowest to highest heat flux. The melting rate was also found comparatively high up until 65–70% of the total PCM volume melted because of the higher contribution from the inner region. It was also observed that the Rayleigh number increased by approximately 23% in the inner region and 18% in the whole domain as the heat flux increased from 3450 to 5840 W/m2. A new Nusselt–Rayleigh number correlation is proposed for the heat transfer during the melting process due to a U‐shaped heat source. Copyright © 2017 John Wiley & Sons, Ltd.

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Numerical investigation on the melting of nanoparticle-enhanced phase change materials (NEPCM) in a bottom-heated rectangular cavity using lattice Boltzmann method

Cited by 138 publications

References 37 publications

RETRACTED ARTICLE: Melting of nanoparticles-enhanced phase change material (NEPCM) in vertical semicircle enclosure: numerical study

RETRACTED ARTICLE: Melting of nanoparticles-enhanced phase change material (NEPCM) in vertical semicircle enclosure: numerical study

Lattice Boltzmann methods for single-phase and solid-liquid phase-change heat transfer in porous media: A review

Investigation of heat transfer during melting of a PCM by a U-shaped heat source

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