Magnetohydrodynamic Effect on Thermal Transport by Silver Nanofluid Flow in Enclosure with Central and Lower Heat Sources

Mahalakshmi Thangavelu, Nithyadevi Nagarajan, Ruey Jen Yang

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

A numerical investigation into the magneto-convection heat transfer performance of Ag-based nanofluid (i.e., silver nanoparticles dispersed in fluid) filled square enclosure containing a thin central heater and a lower heated wall section is performed. The analysis focuses particularly on the effects of the magnetic field strength, central heater orientation and length, lower heated wall section length, Rayleigh number, and Ag nanoparticle volume fraction on the average Nusselt number along the cool, vertical sidewalls of the enclosure. It is found that the heat transfer performance improves as the lengths of the central heater and lower heated wall section increase. Also, the average Nusselt number increases given a vertical orientation of the central heater. Regardless of the heater orientation, the heat transfer performance decreases with increasing magnetic field strength. As Ag nanoparticle volume fraction increases, the average Nusselt number increases with increasing values of Rayleigh number. Finally, the heat transfer performance improves for increasing nanoparticle volume fraction (0.00, 0.03, 0.06, 0.09) at high Rayleigh numbers of 106 and 107.

原文English
頁(從 - 到)1755-1768
頁數14
期刊Heat Transfer Engineering
43
發行號20
DOIs
出版狀態Published - 2022

All Science Journal Classification (ASJC) codes

  • 凝聚態物理學
  • 機械工業
  • 流體流動和轉移過程

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