Flow Separation Evaluation on Tubercle Ship Propeller

Mohammad Danil Arifin; Frengki Mohamad Felayati; Andi Haris Muhammad

doi:10.37934/cfdl.14.4.4350

Authors

Mohammad Danil Arifin Department of Marine Engineering, Faculty of Ocean Technology Darma Persada University, Jakarta, 13450 Indonesia
Frengki Mohamad Felayati Department of Marine Engineering, Faculty of Engineering and Marine Science, Hang Tuah University, Surabaya, Jawa Timur, 60111 Indonesia
Andi Haris Muhammad Marine Engineering Department, Engineering Faculty, Hasanuddin University, Sulawesi Selatan, 92171 Indonesia

DOI:

https://doi.org/10.37934/cfdl.14.4.4350

Keywords:

Efficiency, Flow separation, Propeller, Ship, Tubercle

Abstract

Propeller design for ship propulsion is important based on efficiency and power output. Advanced propeller design has been proposed in recent research, such as the tubercle propeller. The modified propeller on the leading edge with a tubercle-like design has been improved. Moreover, some evaluation has been studied on the design and performance. In the present study, the tubercle design on the leading edge is evaluated, which focuses on the flow separation effect developed by the tubercle shape. A computational fluid dynamic (CFD) model is compared between the normal and tubercle leading edge. The flow total pressure, Reynold number velocity, and power surface acoustic are evaluated. The flow separation is generated in the leading edge due to the tubercle shape. Moreover, the tubercle shape reduces the total pressure at the propeller blade, especially at the edges. It also increases the Reynold number velocity at the surface due to the flow separation. However, the flow separation decreased the power acoustic surface, which means it lost some power on the propeller.

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Author Biographies

Mohammad Danil Arifin, Department of Marine Engineering, Faculty of Ocean Technology Darma Persada University, Jakarta, 13450 Indonesia

danilarifin.mohammad@gmail.com

Frengki Mohamad Felayati, Department of Marine Engineering, Faculty of Engineering and Marine Science, Hang Tuah University, Surabaya, Jawa Timur, 60111 Indonesia

frengki11@mhs.ne.its.ac.id

Andi Haris Muhammad, Marine Engineering Department, Engineering Faculty, Hasanuddin University, Sulawesi Selatan, 92171 Indonesia

andiharis.m@gmail.com

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