Experimental Investigation on Free Convective Heat Transfer Performance of Oxide Nanofluids Along a Vertical Cylinder

• Autorzy: Ravi Babu S. , Pradeep Kumar P. , Basha S. A. , Maruthi Rao M.

Identyfikatory

DOI

10.12912/27197050/165902

• Języki publikacji: EN

Abstrakty

EN

The multi criterion decision making (MCDM) method and experimental investigation on free convective heat transfer performance of oxide-based water nanofluids along a vertical cylinder are the two methods used to compare the performance in this paper. Al₂O₃, CuO, TiO₂, SiO₂, Fe₃O₄, and ZnO were the metal oxide nanoparticles used in the study to make water-based metal oxide nanofluids with volume fractions ranging from 0% to 1%. Two step method was used to create nanofluids. Thermo-physical properties like density, specific heat, viscosity, and thermal conductivity were measured after the various nanofluids were synthesized. Then, the performance of each nanofluid was evaluated based on various attributes using the weighted sum model (WSM) method, and the ranking of nanofluids was given. To begin, water served as the medium for free convection heat transfer experiments to validate the experimental setup. Free convection heat transfer experiments were carried out using metal oxide-based water nanofluids as mediums at volume fractions ranging from 0% to 1% for various heat inputs in the range of 30 W and 50 W. The heat transfer coefficient augments with percentage volume concentration up to 0.1 % for all types of nanofluids and then decreases until it reaches 0.6% volume fraction. Al₂O₃-water nanofluid performs better than other metal oxide nanofluids in both WSM and experimental methods.

Słowa kluczowe

EN

free convection; nanofluids; heat transfer; augmentation; thermal performance

• Wydawca: Lubelski Oddział Polskiego Towarzystwo Inżynierii Ekologicznej ; Lublin University of Technology ; WNGB Wydawnictwo Naukowe
• Czasopismo: Ecological Engineering & Environmental Technology
• Rocznik: 2023
• Tom: Vol. 24, iss. 5
• Strony: 185--194
• Opis fizyczny: Bibliogr. 26 poz., rys., tab.

Twórcy

autor

Ravi Babu S.

• Department of Mechanical Engineering, GMR Institute of Technology, India

• https://orcid.org/0000-0003-1996-2843

autor

Pradeep Kumar P.

• Department of Mechanical Engineering, RGUKT, Nuzvid, India

autor

Basha S. A.

• Department of Mechanical Engineering, RGUKT, Nuzvid, India

autor

Maruthi Rao M.

• Department of Mechanical Engineering, ANU, Guntur, India

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).