Simulation of Convective Heat Transfer in Magnetic Microencapsulated Phase Change Material Slurries in a Circular Tube

CHINESE JOURNAL OF COMPUTATIONAL PHYSICS ›› 2012, Vol. 29 ›› Issue (1): 87-94.

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Simulation of Convective Heat Transfer in Magnetic Microencapsulated Phase Change Material Slurries in a Circular Tube

HUANG Yong, XUAN Yimin, LI Qiang

School of Energy and Power Engineering, Nanjing University of Science and Technology, Nanjing 210094, China

Received:2011-01-20 Revised:2011-06-01 Online:2012-01-25 Published:2012-01-25

Abstract

Abstract: A mathematical model is established to describe convective heat transfer in magnetic microencapsulated phase change material slurry (MMPCMS) flows in a circular tube under an external magnetic field. Influences of magnetic field strength, volume fraction of magnetic phase change materials (MMPCM), mass flow rate, and heat flux on convective heat transfer are analyzed. It shows that convective heat transfer of slurries is obviously enhanced by external magnetic field. Since distributions of MMPCM volume fraction and slurry temperature are changed clue to magnetic force on MMPCM.

Key words: magnetic microencapsulated phase change material slurry, magnetic field, heat transfer, magnetic microencapsulated phase change material

CLC Number:

TK124

HUANG Yong, XUAN Yimin, LI Qiang. Simulation of Convective Heat Transfer in Magnetic Microencapsulated Phase Change Material Slurries in a Circular Tube[J]. CHINESE JOURNAL OF COMPUTATIONAL PHYSICS, 2012, 29(1): 87-94.

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Simulation of Convective Heat Transfer in Magnetic Microencapsulated Phase Change Material Slurries in a Circular Tube

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