Optimization of geometric and flow parameters of solar air heater roughened with artificial roughness by Taguchi method

• Autorzy: Sahu Mukesh Kumar , Mishra Shivam , Kumar Avinash

Identyfikatory

DOI

10.24425/ather.2023.147535

• Języki publikacji: EN

Abstrakty

EN

The paper presents the investigation of the optimum design parameters of a solar air heater (SAH) having wire ribs as artificial roughness by using the Taguchi method. The solar air heater has arc shape roughness geometry with apex upstream flow on the absorber plate. The objective of this paper is to obtain a set of parameters that deliver maximum thermo-hydraulic performance. For this objective, a new parameter the thermo-hydraulic improvement parameter (ηTHIP), has been introduced. For the present analysis, the effects of Reynolds number (Re), relative roughness pitch (P/e), angle of attack (α), and relative roughness height (e/Dh), denoted by A, B, C, and D, respectively, have been considered. An (L18 = 61 · 3 2 ) orthogonal array (OA) was chosen as an experimental plan for applying the Taguchi method. The set of control factors for the solar air heater SAH which delivers the maximum Nusselt number (Nu), and minimum friction factor (fr) – are A6B2C2, and A1B1C3 respectively. To obtain the maximum THIP the experimental set-up requires only one single run using the parameter A6B2C2, hence there is no need to run it all 54 times.

Słowa kluczowe

EN

roughness; nusselt number; friction factor; Taguchi method; optimization

• Wydawca: Wydawnictwo Instytutu Maszyn Przepływowych PAN ; Komitet Termodynamiki i Spalania PAN
• Czasopismo: Archives of Thermodynamics
• Rocznik: 2023
• Tom: Vol. 44, no 3
• Strony: 3--33
• Opis fizyczny: Bibliogr. 35 poz., rys.

Twórcy

autor

Sahu Mukesh Kumar

• Cambridge Institute of Technology, Department of Mechanical Engineering, Tatisilwai, Ranchi, Jharkhand, Pin-835103, India

autor

Mishra Shivam

• G L Bajaj Institute of Technology and Management, Department of Mechanical Engineering, Greater Noida, Uttar Pradesh, Pin-201308, India

autor

Kumar Avinash

• Cambridge Institute of Technology, Department of Mechanical Engineering, Tatisilwai, Ranchi, Jharkhand, Pin-835103, India

Bibliografia

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Uwagi

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024).