Heat Transfer and Pressure Drop Characteristics of the Buoyancy-Aided Heat Transfer Oil-Copper Oxide (HTO-Cuo) Nanofluid Flow in Vertical Tube

Farhad Hekmatipour

Heat Transfer and Pressure Drop Characteristics of the Buoyancy-Aided Heat Transfer Oil-Copper Oxide (HTO-Cuo) Nanofluid Flow in Vertical Tube

Farhad Hekmatipour * §

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akhavan

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§ Science and Research Branch-Islamic Azad University

Heat Transfer and Pressure Drop Characteristics of the Buoyancy-Aided Heat Transfer Oil-Copper Oxide (HTO-Cuo) Nanofluid Flow in Vertical Tube

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Abstract

In this paper, the mixed natural-forced convection is experimentally investigated for the heat-transfer oil-copper oxide (HTO-CuO) nanofluid flows upward in a vertical tube. The flow regime is laminar and the temperature of the tube surface is constant. The effect of the nanoparticles concentration on the heat transfer rate and the pressure dropare studied as Richardson number varies between 0.1 and 0.7. It is observed that the mixed convective heat transfer rate increases with both the nanoparticles concentration and Richardson number. New correlations are proposed to predict the Nusselt number of the nanofluid flow with the reasonable accuracy. In addition, Darcy friction factor of the nanofluid flow is investigated and a new correlation is presented to evaluate the friction factor of HTO-CuO nanofluid flow in vertical tubes.

Funding

No external funding was declared for this work.

Conflict of Interest

The authors declare no conflict of interest.

Ethical Approval

No ethics committee approval was required for this article type.

Data Availability

Not applicable for this article.

How to Cite This Article

Farhad Hekmatipour, akhavan. 2017. "Heat Transfer and Pressure Drop Characteristics of the Buoyancy-Aided Heat Transfer Oil-Copper Oxide (HTO-Cuo) Nanofluid Flow in Vertical Tube". Global Journal of Research in Engineering - A : Mechanical & Mechanics GJRE-A Volume 17 (GJRE Volume 17 Issue A4).

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GJRE Volume 17 Issue A4

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Journal Specifications

Crossref Journal DOI 10.17406/gjre

Print ISSN 0975-5861

e-ISSN 2249-4596

Keywords

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Classification

GJRE-A Classification FOR Code: 091399

Submission ReceivedDecember 10, 2016
Peer Review Double Blind
Handling Editor
Accepted December 31, 2016
Published January 15, 2017

Version of record

v1.2

Issue date

September 16, 2017

Language

English

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Article Matrices

Total Score: 81

Country: Iran

Subject: Global Journal of Research in Engineering

Authors: Farhad Hekmatipour (PhD/Dr. count: 0)

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Publish Date: 2017 01, Sun

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