Numerical Investigations of parabolic trough collectors using different nanofluids

Research output: Chapter in Book/Report/Conference proceedingConference contribution

  • External authors:
  • Nabeel Abed
  • Tarek Abdel-Malak Meakhail

Abstract

This paper presents three dimensional numerical simulations of parabolic trough collectors (PTC) based on two low-Reynolds eddy viscosity turbulence models, namely; Launder and Sharma k-epsilon and k-omega SST models. For the simulations, water was used as the Heat Transfer Fluid (HTF) with four different nanoparticles; Al2O3, TiO2, CuO and Cu. Different volume fractions () of the nanoparticles were investigated for various Reynolds (Re) numbers with uniform
heat flux. Results showed that the overall performance of the system is more sensitive to changes in the thermal properties of nanofluid than the thermal properties of the HTF. At a volume fraction of 6% and a Re number of 70,000, the Nusselt number (Nu) enhancement of nanofluids TiO2-water, Al2O3-water, CuOwater and Cu-water were found to be 21.5%, 20.2%, 18.11% and 15.7% respectively while the performance evaluation criteria (PEC) were 1.214, 1.2, 1.18 and 1.155 respectively.

Bibliographical metadata

Original languageEnglish
Title of host publicationProceedings of 5th International Conference on Energy Engineering
ISBN (Electronic)2682-3004
Publication statusPublished - 24 Dec 2019
Event5th International Conference on Energy Engineering - Aswan, Egypt
Event duration: 24 Dec 201926 Dec 2019
Conference number: 5

Conference

Conference5th International Conference on Energy Engineering
Abbreviated titleICEE
CountryEgypt
CityAswan
Period24/12/1926/12/19