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International Journal of Energy for a Clean Environment

Publicou 8 edições por ano

ISSN Imprimir: 2150-3621

ISSN On-line: 2150-363X

SJR: 0.597 SNIP: 1.456 CiteScore™:: 3.7 H-Index: 18

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NUMERICAL INVESTIGATION OF FLOW AND HEAT TRANSFER OF NANOFLUIDS IN A WAVY MICROCHANNEL

Volume 19, Edição 1-2, 2018, pp. 19-35
DOI: 10.1615/InterJEnerCleanEnv.2018021099
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RESUMO

The present study carries out a detailed numerical investigation of flow and heat transfer of nanofluids in a wavy microchannel. Two approaches have been chosen in the current work. The first one considers nanofluids as single-phase fluids and applies the mixture rule following from the literature for evaluating properties for the simulations. The second type of modeling is done using the discrete phase approach which involves Eulerian–Lagrangian considerations. The fluid phase is assumed to be continuous and governed by the Navier–Stokes equation. The particles are injected in this flow field, and the movement of discrete nanoparticles is determined by Newton's second law which takes into account the body force, hydrodynamic forces, and the Brownian and thermophoretic forces. Alumina–water nanofluids are chosen for the study. The results are compared with DI water. The nanofluids were found to increase the heat transfer rate compared to water. Parametric studies are carried out for different particle concentrations of 1, 3, and 5 vol.%. The particle size effect is observed for different particle sizes of 50 and 150 nm.

CITADO POR
  1. Gong Liang, Xu Yu-Peng, Ding Bin, Zhang Zhi-Hao, Huang Zhao-Qin, Thermal management and structural parameters optimization of MCM-BGA 3D package model, International Journal of Thermal Sciences, 147, 2020. Crossref

  2. Kumar Ritesh, Tiwary Badyanath, Singh Pawan Kumar, Influence of secondary pass location on thermo-fluidic characteristic on the novel air-cooled branched wavy minichannel heat sink: A comprehensive numerical and experimental analysis, Applied Thermal Engineering, 182, 2021. Crossref

  3. Kumar Ritesh, Tiwary Badyanath, Singh Pawan Kumar, Thermofluidic analysis of Al2O3-water nanofluid cooled branched wavy heat sink, Applied Thermal Engineering, 201, 2022. Crossref

  4. Ajeeb Wagd, Roque Diogo , Murshed S. M. Sohel, THERMAL-HYDRAULIC PERFORMANCE OF Al2O3 NANOFLUIDS UNDER LAMINAR FLOW IN A MINITUBE , International Journal of Energy for a Clean Environment, 23, 5, 2022. Crossref

  5. Kumar Ravindra , Mehta Ruchika, Rathore Himanshu , Kumar Manoj , EFFECT OF AXISYMMETRIC MIXED CONVECTION BOUNDARY LAYER FLOW AND HEAT TRANSMISSION OVER EXPONENTIALLY STRETCHING SHEET FIXED IN POROUS MEDIUM WITH HEAT SOURCE/SINK AND RADIATION EFFECT , International Journal of Energy for a Clean Environment, 23, 7, 2022. Crossref

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