Experimental study on enhanced heat transfer and flow performance of magnetic nanofluids under alternating magnetic field

2021 ◽  
Vol 164 ◽  
pp. 106897
Author(s):  
Xilong Zhang ◽  
Yongliang Zhang
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
Experimental Study ◽  
Alternating Magnetic Field ◽  
Enhanced Heat Transfer ◽  
Magnetic Nanofluids

scholarly journals Enhanced heat transfer in agitated vessels by alternating magnetic field stirring of aqueous Fe–Cu nanofluid

2020 ◽  
Vol 20 ◽  
pp. 100640 ◽  
Author(s):  
Abdul Hai Alami ◽  
Abdullah Abu Hawili ◽  
Kamilia Aokal ◽  
Mohammed Faraj ◽  
Muhammad Tawalbeh
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
Alternating Magnetic Field ◽  
Enhanced Heat Transfer

scholarly journals Research on convective heat transfer characteristics of Fe3O4magnetic nanofluids under vertical magnetic field

2021 ◽  
pp. 151-151
Author(s):  
Ruihao Zhang ◽  
Sixian Wang ◽  
Shan Qing ◽  
Zhumei Luo ◽  
Zhang Xiaohui
Keyword(s):  
Magnetic Field ◽  
Heat Transfer ◽  
Reynolds Number ◽  
Field Strength ◽  
Convective Heat Transfer ◽  
Magnetic Field Strength ◽  
Convective Heat ◽  
Heat Transfer Characteristics ◽  
Magnetic Nanofluids ◽  
The Magnetic Field

This paper focuses on the convective heat transfer characteristics of Fe3O4 /Water magnetic nanofluids under laminar and turbulent conditions. After verifying the accuracy of the experimental apparatus, the effects of magnetic field strength, concentration, Reynolds number and temperature on the convective heat transfer coefficient have been studied. The convective heat transfer characteristics of nanofluids under laminar and turbulent flow conditions were studied in depth, and the influence of each factor on the heat transfer coefficient was analyzed by orthogonal experimental design method. Under the laminar flow conditions, the convective heat transfer of magnetic nanofluids performed best when the Reynolds number was 2000, the magnetic field strength was 600, the temperature was 30? and the concentration was 2%. And the convective heat transfer coefficient (h) increased by 3.96% than the distilled water in the same conditions. In turbulent state, the convective heat transfer of magnetic nanofluids performed the best when the Re was 6000, the magnetic field strength was 600, the temperature was 40? and the concentration was 2%. The h increased by 11.31% than the distilled water in the same Reynolds number and the magnetic field strength conditions.

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