Effect of oxides nanoparticle materials on the pressure loss and heat transfer of nanofluids in circular pipes

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15 Citations (Scopus)

Abstract

Laminar flow and heat transfer of different nanofluids pdcles in water, namely Al 2O 3, CuO and TiO 2, flowing through a circular tube under comtant heat flux condtions have been numerically analyzed. The investigation was performed for nanoparticles of size 100 nm. The numerical results obtained are compared with existing well-established correlations. The predction for the Nusselt number for nanofluids agrees well with the Pak-Choi correlation. The thermophysical properties of the nanofluids are estimated by using the equations available in literature. Comparison of convective heat tramfer coefficients for Al 2O 3, CuO and TiO 2, based nanofluids are presented. It is found that pressure loss increases with the particle volume concentration. However, the flow demonstrates enhancement in heat tramfer which becomes better with the increase in the Reynolds number of the flow, but is accompanied with an increase in shear stress.

Original languageEnglish
Pages (from-to)1396-1401
Number of pages6
JournalJournal of Applied Sciences
Volume12
Issue number13
DOIs
Publication statusPublished - 2012

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Pipe
Nanoparticles
Heat transfer
Oxides
Nusselt number
Laminar flow
Heat flux
Shear stress
Reynolds number
Thermodynamic properties
Water
Hot Temperature

Keywords

  • Heat tramfer enhancement oxide nanoparticles
  • Heat transfer coefficient
  • Nanofluid
  • Pressure loss

ASJC Scopus subject areas

  • General

Cite this

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title = "Effect of oxides nanoparticle materials on the pressure loss and heat transfer of nanofluids in circular pipes",
abstract = "Laminar flow and heat transfer of different nanofluids pdcles in water, namely Al 2O 3, CuO and TiO 2, flowing through a circular tube under comtant heat flux condtions have been numerically analyzed. The investigation was performed for nanoparticles of size 100 nm. The numerical results obtained are compared with existing well-established correlations. The predction for the Nusselt number for nanofluids agrees well with the Pak-Choi correlation. The thermophysical properties of the nanofluids are estimated by using the equations available in literature. Comparison of convective heat tramfer coefficients for Al 2O 3, CuO and TiO 2, based nanofluids are presented. It is found that pressure loss increases with the particle volume concentration. However, the flow demonstrates enhancement in heat tramfer which becomes better with the increase in the Reynolds number of the flow, but is accompanied with an increase in shear stress.",
keywords = "Heat tramfer enhancement oxide nanoparticles, Heat transfer coefficient, Nanofluid, Pressure loss",
author = "Balla, {Hyder H.} and Shahrir Abdullah and Rozli Zulkifli and {Wan Mahmood}, {Wan Mohd Faizal} and Kamaruzzaman Sopian",
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T1 - Effect of oxides nanoparticle materials on the pressure loss and heat transfer of nanofluids in circular pipes

AU - Balla, Hyder H.

AU - Abdullah, Shahrir

AU - Zulkifli, Rozli

AU - Wan Mahmood, Wan Mohd Faizal

AU - Sopian, Kamaruzzaman

PY - 2012

Y1 - 2012

N2 - Laminar flow and heat transfer of different nanofluids pdcles in water, namely Al 2O 3, CuO and TiO 2, flowing through a circular tube under comtant heat flux condtions have been numerically analyzed. The investigation was performed for nanoparticles of size 100 nm. The numerical results obtained are compared with existing well-established correlations. The predction for the Nusselt number for nanofluids agrees well with the Pak-Choi correlation. The thermophysical properties of the nanofluids are estimated by using the equations available in literature. Comparison of convective heat tramfer coefficients for Al 2O 3, CuO and TiO 2, based nanofluids are presented. It is found that pressure loss increases with the particle volume concentration. However, the flow demonstrates enhancement in heat tramfer which becomes better with the increase in the Reynolds number of the flow, but is accompanied with an increase in shear stress.

AB - Laminar flow and heat transfer of different nanofluids pdcles in water, namely Al 2O 3, CuO and TiO 2, flowing through a circular tube under comtant heat flux condtions have been numerically analyzed. The investigation was performed for nanoparticles of size 100 nm. The numerical results obtained are compared with existing well-established correlations. The predction for the Nusselt number for nanofluids agrees well with the Pak-Choi correlation. The thermophysical properties of the nanofluids are estimated by using the equations available in literature. Comparison of convective heat tramfer coefficients for Al 2O 3, CuO and TiO 2, based nanofluids are presented. It is found that pressure loss increases with the particle volume concentration. However, the flow demonstrates enhancement in heat tramfer which becomes better with the increase in the Reynolds number of the flow, but is accompanied with an increase in shear stress.

KW - Heat tramfer enhancement oxide nanoparticles

KW - Heat transfer coefficient

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KW - Pressure loss

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