The flow and heat transfer (FHT) in porous volumetric solar receiver was investigated through a double-distributed thermally coupled multiple-relaxation-time (MRT) lattice Boltzmann model (LBM) in this study. The MRT-LBM model was first verified by simulating the FHT in Sierpinski carpet fractal porous media and compared with the results from computational fluid dynamics (CFD). Three typical porous structures in volumetric solar receivers were developed and constructed, and then the FHT in these three porous structures were investigated using the MRT-LBM model. The effects of pore structure, Reynolds (Re) number based on air velocity at inlet, the porosity, and the thermal diffusivity of solid matrix were discussed. It was found that type-III pore structure among the three typical porous structures has the best heat transfer performance because of its lowest maximum temperature of solid particles at the inlet and the highest average temperature of air at the outlet, under the same porosity and heat flux density. Furthermore, increasing the thermal diffusivity of solid particles will lead to higher averaged air temperature at the outlet. It is hoped that the simulation results will be beneficial to the solar thermal community when designing the solar receivers in concentrated solar power (CSP) applications.
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August 2018
Research-Article
Multiple-Relaxation-Time Lattice Boltzmann Simulation of Flow and Heat Transfer in Porous Volumetric Solar Receivers
Wandong Zhao,
Wandong Zhao
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
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Ying Zhang,
Ying Zhang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
e-mail: yzhan@ncu.edu.cn
Nanchang University,
Nanchang 330031, Jiangxi, China
e-mail: yzhan@ncu.edu.cn
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Ben Xu,
Ben Xu
Department of Mechanical Engineering,
University of Texas Rio Grande Valley,
Edinburg, TX 78539
e-mail: ben.xu@utrgv.edu
University of Texas Rio Grande Valley,
Edinburg, TX 78539
e-mail: ben.xu@utrgv.edu
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Peisheng Li,
Peisheng Li
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
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Zhaotai Wang,
Zhaotai Wang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
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Shuisheng Jiang
Shuisheng Jiang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
Search for other works by this author on:
Wandong Zhao
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
Ying Zhang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
e-mail: yzhan@ncu.edu.cn
Nanchang University,
Nanchang 330031, Jiangxi, China
e-mail: yzhan@ncu.edu.cn
Ben Xu
Department of Mechanical Engineering,
University of Texas Rio Grande Valley,
Edinburg, TX 78539
e-mail: ben.xu@utrgv.edu
University of Texas Rio Grande Valley,
Edinburg, TX 78539
e-mail: ben.xu@utrgv.edu
Peisheng Li
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
Zhaotai Wang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
Shuisheng Jiang
School of Mechanical and Electrical Engineering,
Nanchang University,
Nanchang 330031, Jiangxi, China
Nanchang University,
Nanchang 330031, Jiangxi, China
1Corresponding authors.
Contributed by the Advanced Energy Systems Division of ASME for publication in the JOURNAL OF ENERGY RESOURCES TECHNOLOGY. Manuscript received November 17, 2017; final manuscript received March 18, 2018; published online April 16, 2018. Assoc. Editor: Reza Sheikhi.
J. Energy Resour. Technol. Aug 2018, 140(8): 082003 (12 pages)
Published Online: April 16, 2018
Article history
Received:
November 17, 2017
Revised:
March 18, 2018
Citation
Zhao, W., Zhang, Y., Xu, B., Li, P., Wang, Z., and Jiang, S. (April 16, 2018). "Multiple-Relaxation-Time Lattice Boltzmann Simulation of Flow and Heat Transfer in Porous Volumetric Solar Receivers." ASME. J. Energy Resour. Technol. August 2018; 140(8): 082003. https://doi.org/10.1115/1.4039775
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