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All Journal KAPAL Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Jurnal Keperawatan Jiwa (JKJ): Persatuan Perawat Nasional Indonesia Journal Of Nursing Practice Jurnal Ilmiah Keperawatan (Scientific Journal of Nursing) Care : Jurnal Ilmiah Ilmu Kesehatan PEDULI: Jurnal Imiah Pengabdian Pada Masyarakat Jurnal Ilmiah Keperawatan Jurnal Abdimas PHB : Jurnal Pengabdian Masyarakat Progresif Humanis Brainstorming Indonesian Journal of Community Dedication JAIM (Jurnal Abdi Masyarakat) NURSING UPDATE JURNAL ILMIAH ILMU KEPERAWATAN Adi Husada Nursing Journal Jurnal ABDINUS : Jurnal Pengabdian Nusantara Jurnal Peduli Masyarakat International Journal of Marine Engineering Innovation and Research Nursing Sciences Journal Indonesian Academia Health Sciences Journal Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Jurnal Mahasiswa Kesehatan Indonesian Journal of Maritime Technology or abbreviated (ISMATECH) Jurnal Binakes Applied Science Technology in Naval Engineering (ASTNE)
Sulistyawati, Wiwin
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CFD-Based Analysis of Wingsail Shape and Placement on a Fishing Vessel in Southern Bali Waters Sukmawardana, Happy Nabila; Suwarni, Endah; Purnamasari, Dian; Utina, Mohammad Ridwan; Rina, Rina; Setiyobudi, Nanang; Sulistyawati, Wiwin
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 23, No 1 (2026): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v23i1.82416

Abstract

The maritime transportation sector contributes significantly to atmospheric emissions due to its reliance on fossil fuels, underscoring the need for more energy-efficient, environmentally friendly propulsion technologies. One promising solution is Wind-Assisted Ship Propulsion (WASP), which uses wind energy as a supplemental power source for vessel propulsion. Among various WASP technologies, wingsails have attracted attention for their rigid airfoil geometry and their ability to generate aerodynamic lift efficiently. This study aims to investigate the influence of wing sail shape and placement on aerodynamic performance, to identify an effective configuration for vessel applications. Computational Fluid Dynamics (CFD) simulations are conducted using k-  SST turbulence model. Two symmetric airfoil profiles, NACA 0012 and NACA 0015, are examined under angle of attack variations of 5°, 0°, 5°, 10°, 15°, and 20°. The wingsail is modeled in two installation configurations: midship and a combined midship-aft arrangement. Simulations are performed at wind speeds of 4 m/s, 10 m/s, 13.7 m/s, and 17.2 m/s, with aerodynamic performance evaluated based on the lift and drag coefficients. Based on the results, the NACA 0015 wingsail shows more stable aerodynamic behavior than the NACA 0012, while medium wind speeds in the range of 10–13.7 m/s offer the best balance between lift and drag. In addition, the midship–aft wingsail arrangement consistently generates higher lift than the single midship configuration, making the NACA 0015 wingsail with midship–aft placement the most suitable choice for fishing vessel applications.
Experimental Study on the Hydrodynamic Resistance of a 265 GT Fishing Vessel with Wind-Assisted Propulsion Fatihah, Anandita; Rina, Rina; Sari, Dian Purnama; Utina, Muhammad Ridwan; Sulistyawati, Wiwin
Kapal: Jurnal Ilmu Pengetahuan dan Teknologi Kelautan Vol 23, No 1 (2026): February
Publisher : Department of Naval Architecture - Diponegoro University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.14710/kapal.v23i1.82101

Abstract

This study experimentally evaluates wind-assisted propulsion (WASP) to reduce the resistance of a 265 GT fishing vessel using model-scale towing tank test conducted at the PRTH-BRIN towing tank facility, with towing forces measured using calibrated resistance dynamometers following ITTC recommended procedures. Bare-hull resistance was measured at seven speeds over Froude numbers Fr  0.12 – 0.30, while tests with the wing sail installed were conducted at three speeds in the upper range (Fr  0.18 – 0.30) under steady beam wind conditions corresponding to a full-scale true wind speed of 20 knots. Towing-force measurements were converted into total resistance and total resistance coefficients. The wing sail effect was quantified using the wind-assisted percentage (WA%), defined as the relative reduction in resistance compared with the bare-hull condition at the same speed. A Type B uncertainty analysis following ITTC Recommendations was performed for the bare-hull measurements. The results show that, for the tested wind-assisted condition, the wing sail configuration produced lower resistance than the bare-hull at the same speed. The absolute resistance reduction increases with Froude number, reaching about 1.06 N at the highest speed, whereas WA% decreased from about 4.53% to 2.25% indicating a larger relative benefit at lower end of the tested speed range. The expanded relative uncertainty of bare-hull resistance is below 4% for all operating points. Overall, the experiments indicate a measurable wind-assisted contribution from the wing sail and provide a practical framework for assessing WASP performance at model scale using WA% as an indicator.
Co-Authors Afsari, Sabila Fitri Agnes, Yeni Lufiana Novita Agnes, Yeni Luviana Novita Amir Marasabessy Arif Nurma Etika Ashfi Rayhan, Fajri Aulia Marifa, Isna Ayuningtyas, Rahayu Christianingsih, Siska Damora Rhakasywi Dian Purnamasari Didit Widiyanto Djumiati, Andri Endah Suwarni Erik Irham Lutfi Etika , Arif Nurma Fachry Abda El Rahman Fatihah, Anandita Fauzi, Abdul Handayani, Octavi Vitri Indah Jayani Jihad Pramayoga Karunia Wijayanti Khuddus, Lutfhi Abdil Lamping, Veronika Rosa Mistica Lutfi, Lutfi Irham Marassabessy, Amir Mirasa, Yudied Agung Nisfil Mufidah Novitasari, Restu Nurma Etika, Arif Nurvitriana, Nidya Comdeca Padillah, Beni Prasetyo, Rudi Tri Purnama Sari, Dian Rina Rina Saputra, Yudi Dwi Satria Eureka Nurseskasatmata Setiyobudi, Nanang Sri Haryuni Sukmawardana, Happy Nabila Sulistyana, Caturia Sasti Sulistyoning Suharto, Idola Perdana Suranto, Purwo Joko Utina, Mohammad Ridwan Utina, Muhammad Ridwan Wahyudi, Mgs Ahmad Wiwik Handayani Yunalia, Endang Mei Zahroh, Fatimatus Zalayetha, Hegel Desta