Analysis of the convective heat transfer characteristics in a two-dimensional cavity subjected to an external magnetic field

2020 ◽  
Vol 68 ◽  
pp. 618-632
Author(s):  
Ahmed Mahmoudi
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
External Magnetic Field ◽  
Convective Heat Transfer ◽  
Convective Heat ◽  
Two Dimensional ◽  
Heat Transfer Characteristics ◽  
Transfer Characteristics

Heat Transfer Characteristics of Fe3O4-H2O Nanofluids by External Magnetic Field

2014 ◽  
Vol 487 ◽  
pp. 50-53 ◽  
Author(s):  
Shao You Yin ◽  
Zhi Jiang Wu
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
External Magnetic Field ◽  
Convective Heat Transfer ◽  
Convective Heat ◽  
Experimental System ◽  
Axial Distance ◽  
Magnetic Field Direction ◽  
Heat Transfer Characteristics ◽  
Transfer Characteristics

An experimental system of Fe3O4-H2O nanofluids on convective heat transfer characteristics was presented. The influences of magnetic field direction and intensity, particle mass fraction, axial distance were presentd. The experimental results show that the synergic function between the external magnetic field and the thermal field has impact on convective heat transfer characteristics of the device.

Experimental Convective Heat Transfer With Nanofluids

2008 ◽  
Author(s):  
S. Kabelac ◽  
K. B. Anoop
Keyword(s):  
Heat Transfer ◽  
Thermal Conductivity ◽  
Heat Transfer Coefficient ◽  
Transfer Coefficient ◽  
Convective Heat Transfer ◽  
Convective Heat ◽  
Turbulent Regime ◽  
Heat Transfer Characteristics ◽  
Forced Convective Heat Transfer ◽  
Transfer Characteristics

Nanofluids are colloidal suspensions with nano-sized particles (<100nm) dispersed in a base fluid. From literature it is seen that these fluids exhibit better heat transfer characteristics. In our present work, thermal conductivity and the forced convective heat transfer coefficient of an alumina-water nanofluid is investigated. Thermal conductivity is measured by a steady state method using a Guarded Hot Plate apparatus customized for liquids. Forced convective heat transfer characteristics are evaluated with help of a test loop under constant heat flux condition. Controlled experiments under turbulent flow regime are carried out using two particle concentrations (0.5vol% and 1vol %). Experimental results show that, thermal conductivity of nanofluids increases with concentration, but the heat transfer coefficient in the turbulent regime does not exhibit any remarkable increase above measurement uncertainty.

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