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Numerical and Experimental Investigations on the Effect of Adding Nanoparticles on Entropy Generation in PVT Systems

Credit to Download: 1 | Page Numbers 12 | Abstract Views: 208
Year: 2017
COI code: CFD17_007
Paper Language: English

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Authors Numerical and Experimental Investigations on the Effect of Adding Nanoparticles on Entropy Generation in PVT Systems

  Arman Kolahan - Ferdowsi University of Mashhad
  Seyed Reza Maadi - Ferdowsi University of Mashhad
  Mohammad Passandideh-Fard - Ferdowsi University of Mashhad
  Mohammad Sardarabadi - Ferdowsi University of Mashhad

Abstract:

In this study, the effects of adding nanoparticles on entropy generation are investigated using a 2D-transient numerical model validated with experimental measurements. The experiments were performed for various nanofluids (Al2O3/water, TiO2/water and ZnO/water by 0.2wt%, and SiO2/water by 1wt% and 3wt%) on a PV system equipped with a serpentine collector tube to increase its efficiency. In order to simulate the PVT system, energy equations are solved for the entire plates and the tube flow using an implicit formulation. A good agreement is observed between model calculations and those of the measurements. For this comparison, mass flow rate, solar radiation, and inlet and ambient temperatures were kept constant. The effect of various metallic and metalloid nanofluids mass fractions on thermal (locally) and frictional fluid entropy generations, and the total entropy generation of the PVT system are investigated. SiO2/water nanofluid is found to have the most entropy generation which is not favorable. For Al2O3/water nanofluid, the best performance in terms of thermal and total entropy generation is obtained. The ZnO/water nanofluid is also found to generate the least frictional entropy generation.

Keywords:

photovoltaic thermal system, nanofluid, thermal and frictional entropy generation, pressure drop

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COI code: CFD17_007

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Kolahan, Arman; Seyed Reza Maadi; Mohammad Passandideh-Fard & Mohammad Sardarabadi, 2017, Numerical and Experimental Investigations on the Effect of Adding Nanoparticles on Entropy Generation in PVT Systems, 17th Conference on Fluid Dynamics, شاهرود, دانشگاه صنعتي شاهرود- انجمن فيزيك ايران, https://www.civilica.com/Paper-CFD17-CFD17_007.htmlInside the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
First Time: (Kolahan, Arman; Seyed Reza Maadi; Mohammad Passandideh-Fard & Mohammad Sardarabadi, 2017)
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Type: state university
Paper No.: 25310
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