Single-phase and two-phase models of a hybrid nanofluid traveling through a non-uniformly heated (PTC) receiver: A comparative study

Author:

BENABDERRAHMANE Amina1ORCID,HUSSEIN Ahmed Kadhim2ORCID,YOUNIS Obai3ORCID,BENAZZA Abdelylah4ORCID

Affiliation:

1. Department of Mechanical Engineering, Faculty of Sciences and Technology, University Mustapha Stambouli of Mascara, 90407, Algeria

2. Department of Mechanical Engineering, College of Engineering, University of Babylon, 51002, Iraq

3. 3Department of Mechanical Engineering, College of Engineering in Wadi Alddwasir, Prince Sattam Bin Abdulaziz University, 16273, Saudi Arabia; Department of Mechanical Engineering, Faculty of Engineering, University of Khartoum, 11115, Sudan

4. Faculty of Technology, Djilali Liabes University, Sidi Bel Abbes, 22000, Algeria

Abstract

The current study used single and two-phase modeling to numerically explore three-dimen-sional the turbulent forced convection of a hybrid nanofluid passing through a non-uniformly heated parabolic trough solar collector (PTC) for increasing heat transfer. The typical heat flux profile on the receiver’s absorber outer wall was addressed by a finite volume method (FVM) and the MCRT method. The results demonstrated that the single and two-phase models pro-duced almost similar hydrodynamic results but dissimilar thermal ones. It was found that the results of mixture model matched the experimental ones. The results also illustrated that the hybrid nanofluid gives the highest thermal performance for a mixture composed of 1.5% copper + 0.5% alumina dispersed in the water.

Publisher

Journal of Thermal Engineering

Subject

Fluid Flow and Transfer Processes,Energy Engineering and Power Technology,Building and Construction

Reference30 articles.

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4. [3] Hussein AK. Applications of nanotechnology in renewable energies-A comprehensive overview and understanding. Renew Sust Energ Rev 2015;42:460–76.

5. [4] Hussein AK, Walunj AA, Kolsi L. Applications of nanotechnology to enhance the performance of the direct absorption solar collectors. J Therm Eng 2016;2:529–40.

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