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Impact of Biomimetic Fin on Pitching Characteristics of a Hydrofoil

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Publicado no:Biomimetics vol. 10, no. 7 (2025), p. 462-484
Autor principal: Ikram Faraz
Outros Autores: Younis Muhammad Yamin, Chuddher, Bilal Akbar, Latif Usman, Haroon, Mushtaq, Afzal Kamran, Awan, Muhammad Asif, Ijaz Asad, Bashir Noman
Publicado em:
MDPI AG
Assuntos:
Alternative energy sources
Vortices
Reynolds number
Swimming
Influence
Renewable resources
Efficiency
Acesso em linha:Citation/Abstract
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Full Text - PDF
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024 7 |a 10.3390/biomimetics10070462  |2 doi 
035 |a 3233090119 
045 2 |b d20250101  |b d20251231 
100 1 |a Ikram Faraz  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
245 1 |a Impact of Biomimetic Fin on Pitching Characteristics of a Hydrofoil 
260 |b MDPI AG  |c 2025 
513 |a Journal Article 
520 3 |a Biomimetic design for engineering applications may suggest the optimal performance of engineering devices. In this work the passive/pure pitching characteristics of a hydrofoil are investigated experimentally with and without a pair of biomimetic fin strips placed symmetrically on the two sides of the foil leading edge. The work is performed in a recirculating water channel at low Reynolds numbers (Re) with a range of 1300 ≤ Re ≤ 3200. Using high-speed videography and Particle Image Velocimetry (PIV), the pitching characteristics and wakes are visualized. Passive pitching characteristics, i.e., the pitching amplitude and pitching frequency of the hydrofoils, are investigated based on their trailing edge movement. Significant improvement in both pitching frequency and amplitudes are observed for the foil with fin strips compared to the baseline simple foil. Comparing the pitching characteristics of the two foils, it is observed that the hydrofoil with biomimetic fin strips exhibits 25% and 21% higher pitching amplitude and pitching frequency, respectively, compared to that of the baseline at comparable Reynolds numbers. The initiation of pitching for the finned foil is also observed at comparatively low Reynolds numbers. The wake is also studied using time mean and fluctuating velocity profiles obtained using PIV. 
653 |a Alternative energy sources 
653 |a Vortices 
653 |a Reynolds number 
653 |a Swimming 
653 |a Influence 
653 |a Renewable resources 
653 |a Efficiency 
700 1 |a Younis Muhammad Yamin  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
700 1 |a Chuddher, Bilal Akbar  |u Department of Industrial Engineering, King Khalid University, Abha 61421, Saudi Arabia; bmchuddher@kku.edu.sa 
700 1 |a Latif Usman  |u Department of Mechanical Engineering and Materials Science, Duke University, Durham, NC 27708-0300, USA; usman.latif@duke.edu 
700 1 |a Haroon, Mushtaq  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
700 1 |a Afzal Kamran  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
700 1 |a Awan, Muhammad Asif  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
700 1 |a Ijaz Asad  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
700 1 |a Bashir Noman  |u Department of Mechanical Engineering, Mirpur University of Sciences and Technology, Mirpur 10250, AJK, Pakistan; faraz.ikram.me@must.edu.pk (F.I.); haroon.me@must.edu.pk (H.M.); kamran.afzal@must.edu.pk (K.A.); asif.me@must.edu.pk (M.A.A.); asadijaz@must.edu.pk (A.I.); noman.me@must.edu.pk (N.B.) 
773 0 |t Biomimetics  |g vol. 10, no. 7 (2025), p. 462-484 
786 0 |d ProQuest  |t Biological Science Database 
856 4 1 |3 Citation/Abstract  |u https://www.proquest.com/docview/3233090119/abstract/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch 
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856 4 0 |3 Full Text - PDF  |u https://www.proquest.com/docview/3233090119/fulltextPDF/embedded/7BTGNMKEMPT1V9Z2?source=fedsrch