Effect of Trenched Hemispherical Pin Fins on Cooling Performance of Heat Sink

• Autorzy: Yousfi Aissa , Bellahcene Lahcene , Alqurashi Faris , Sahel Djamel , Teggar Mohamed , Laouer Abdelghani , Arıcı Müslüm , Kchaou Mohamed

Identyfikatory

DOI

10.12913/22998624/185505

• Języki publikacji: EN

Abstrakty

EN

Pin fins have the potential to improve the thermal performance of various engineering devices. Modified pin fins could further increase their thermal performance in a passive way at lower cost. This study is aimed to numerically investigate the thermal performance of trenched hemispherical pin fins heat sink (THPFHS) and the influence of parameters including the trench number (N=1, 3 and 5) and thickness (e =1 to 5 mm). The simulations are performed using a CFD software considering turbulent air flow conditions. Results show that the use of aluminum fins fitted with one trench in the middle of the hemispherical pin fin considerably increases the local heat transfer. Furthermore, all studied configurations show high thermal performance factor (HTPF) compared with the conventional CPFHS (cylindrical pin fins heat sink). For this new configuration (THPFHS), Nu increases by 45% while the thermal resistance reduces by 42%, compared to the baseline case. On the other hand, this improved performance results in 50% pressure drop penalty. Moreover, the obtained results show a significant improvement in the performance mainly at high Re.

Słowa kluczowe

EN

cooling; heat sink; trench; hemispherical; Pin Fin; performance analysis

• Wydawca: Lublin University of Technology ; Polish Society of Ecological Engineering (PTIE), Branch of PTIE in Lublin
• Czasopismo: Advances in Science and Technology. Research Journal
• Rocznik: 2024
• Tom: Vol. 18, no 3
• Strony: 33--44
• Opis fizyczny: Bibliogr. 32 poz., fig., tab.

Twórcy

autor

Yousfi Aissa

• LEDMSD, University AmarTelidji, Laghouat 03000, Algeria

autor

Bellahcene Lahcene

• LMe, University Amar Telidji, Laghouat 03000, Algeria

autor

Alqurashi Faris

• Department of Mechanical Engineering, College of Engineering, University of Bisha, P.O. Box 001, Bisha, Saudi Arabia

autor

Sahel Djamel

• LCGE, UST-Oran-MB, Oran 31000, Algeria

autor

Teggar Mohamed

• LMe, University Amar Telidji, Laghouat 03000, Algeria

autor

Laouer Abdelghani

• LPMCN Laboratory, Faculty of Exact Sciences and Computer Science, University of Jijel, Jijel 18000, Algeria

autor

Arıcı Müslüm

• Mechanical Engineering Department, Engineering Faculty, Kocaeli University, Kocaeli, Turkey

autor

Kchaou Mohamed

• Department of Mechanical Engineering, College of Engineering, University of Bisha, P.O. Box 001, Bisha, Saudi Arabia

• https://orcid.org/0000-0001-5359-9350

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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).