Thermo-hydraulic performance of nanofluids composed of functionalized multiple-walled carbon nanotubes (MWCNT-OH/water)
Keywords:Nanotechnology; Nanotubes; Thermo-hydraulic performance; Nanoparticles.
In order to evaluate the potential of a new fluid capable of improving the efficiency of thermal exchange processes in refrigeration systems, the present work proposed the study of the thermo-hydraulic performance of nanofluids constituted by nanoparticles of carbon nanotubes of the type MWCNT dispersed in distilled water. Nanoparticles with -OH functionalization degree, 3%, 6% and 9% were used to produce nine samples of nanofluids. The “two-step” method, with the help of sonication and high-pressure homogenization, was used to disperse the nanoparticles in the base fluid. To evaluate the thermo-hydraulic performance, the following steps were performed: production of the nanofluids by the two-step method. The use of the experimental bench allowed to obtain the necessary parameters for the determination of the heat transfer coefficient by convection and thermohydraulic performance.
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Copyright (c) 2021 Alexandre Melo de Oliveira; Lindomar Matias Gonçalves; Amir Zacarias Mesquita; Ênio Pedone Bandarra Filho; André Guimarães Ferreira
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