Numerical study of car radiator using dimple roughness and nanofluid

• Autorzy: Thapa Robin Kumar , Bisht Vijay Singh , Bhandari Prabhakar , Rawat Kamal Singh

Identyfikatory

DOI

10.24425/ather.2022.143175

• Języki publikacji: EN

Abstrakty

EN

Thermal augmentation in flat tube of car radiator using different nanofluids has been performed more often, but use of artificial roughness has been seldom done. Artificial roughness in the form of dimple is used in the present research work. Present study shows the impact of dimple shaped roughness and nanofluid (Al2O3/pure water) on the performance of car radiator. The pitch of dimples is kept at 15 mm (constant) for all the studies performed. The Reynolds number of the flow is selected in the turbulent regime ranging from 9350 to 23 000 and the concentration of the nanofluid is taken in the range of 0.1–1%. It has been found that the heat transfer rate has improved significantly in dimpled radiator tube on the expense of pumping power. Furthermore, the heat transfer rate also increases with increase in nanoparticle concentration from 0.1% to 1.0%. The highest heat transfer enhancement of 79% is observed at Reynolds number 9350, while least enhancement of 18% is observed for Reynolds number of 23 000.

Słowa kluczowe

EN

heat transfer; augmentation; nanofluid; pumping power; car radiator; artificial roughness

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2022
• Tom: Vol. 43, no 3
• Strony: 125--140
• Opis fizyczny: Bibliogr. 36 poz., rys.

Twórcy

autor

Thapa Robin Kumar

• Uttarakhand Technical University, Faculty of Technology, Chakrata Road, Dehradun-248007, Uttarakhand, India

autor

Bisht Vijay Singh

• Uttarakhand Technical University, Faculty of Technology, Chakrata Road, Dehradun-248007, Uttarakhand, India

autor

Bhandari Prabhakar

• K.R. Mangalam University, Mechanical Engineering Department, Sohna Road, Gurgram-122103, Haryana, India

autor

Rawat Kamal Singh

• MIET, Mechanical Engineering Department, Meerut-250005, Uttar Pradesh, India

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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).