Investigation of forced convection ZrO2 nanofluid in a channel with artificial roughness

All-Russian Conference with the School for Young Scientists “Thermophysics and Physical Hydrodynamics –2016”

Minakov, A.V.^1,2 ; Guzei, D.V.^2 ; Meshkov, K.A.^2 ; Zhigarev, V.A.^2 ; Pryazhnikov, M.I.^1,2

Kutateladze Institute of Thermophysics, SB, RAS, Lavrentev av. 1, Novosibirsk

630090, Russia^1

Siberian Federal University, Svobodnyi av. 79, Krasnoyarsk

660041, Russia^2

关键词: Artificial roughness;    Average heat transfers;    Average particle size;    Round tubes;    Turbulent forced convection;    Volumetric concentrations;    Water based;    ZrO2 nanoparticles;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/754/9/092002/pdf
DOI  :  10.1088/1742-6596/754/9/092002

来源: IOP

【 摘 要 】

The paper presents the results of experimental study of turbulent forced convection of water-based nanofluid with ZrO2nanoparticles. Volumetric concentration of the nanoparticles in the experiments was equal to 4%. The average particle size was 105nm. The study was carried out for a smooth round tube and round tube with knurling ring. The effect of additives of ZrO2nanoparticles on the average heat transfer coefficient and the pressure drop in the channel was investigated. Has been shown that the intensification of heat transfer by using nanofluid weakly dependent on the shape of the channel, and determined only by the properties nanofluid.