Analisis Pengaruh Konfigurasi dan Dimensi Rotor Flettner pada Kapal dengan Sistem Propulsi Hybrid Diesel-Elektrik

Dharma, Reksa Alivia (2026) Analisis Pengaruh Konfigurasi dan Dimensi Rotor Flettner pada Kapal dengan Sistem Propulsi Hybrid Diesel-Elektrik. Other thesis, Institut Teknologi Sepuluh Nopember.

Text 5019221016-Undergraduate_Thesis.pdf - Accepted Version Restricted to Repository staff only Download (8MB) | Request a copy

Abstract

Sektor pelayaran internasional dituntut untuk menurunkan emisi gas rumah kaca secara terukur. Salah satu solusi inovatif yang berkembang adalah pemanfaatan Wind-Assisted Propulsion System (WAPS) seperti rotor Flettner yang diintegrasikan dengan sistem propulsi hybrid diesel-electric. Penelitian ini bertujuan untuk menganalisis pengaruh variasi dimensi (18x3 m dan 24x4 m) serta konfigurasi (tunggal dan tandem) rotor Flettner terhadap gaya dorong dan penghematan daya bersih (net power saving) pada kapal Offshore Support Vessel (OSV). Analisis aerodinamika dilakukan menggunakan simulasi Computational Fluid Dynamics (CFD) 3D berbasis Unsteady Reynolds-Averaged Navier-Stokes (URANS) dengan metode overset mesh. Hasil gaya aerodinamis kemudian diintegrasikan ke dalam perhitungan neraca daya (macro power balance). Hasil simulasi menunjukkan bahwa pembesaran dimensi silinder memperkuat efek Magnus secara signifikan, mengubah defisit daya pada rotor tunggal 18x3 m menjadi surplus efisiensi. Pada konfigurasi tandem, interaksi aliran (wake interference) mereduksi profil kecepatan angin pada rotor hilir, namun akumulasi gaya dorong tetap efisien. Konfigurasi paling optimal dicapai oleh 2 unit rotor tandem berdimensi 24x4 m yang mampu menghasilkan gaya dorong 21,03 kN dan menyumbangkan penghematan daya propulsi bersih maksimum sebesar 75,94 kW, atau merepresentasikan reduksi beban mesin utama sebesar 23,82% pada kecepatan dinas 10 knot.
======================================================================================================================================
The international shipping sector is highly required to reduce greenhouse gas emissions. An innovative solution is the utilization of Wind-Assisted Propulsion Systems (WAPS) such as Flettner rotors combined with hybrid diesel-electric propulsion systems. This study aims to analyze the effect of Flettner rotor dimensional variations (18x3 m and 24x4 m) and configurations (single and tandem) on the thrust and net power saving of an Offshore Support Vessel (OSV). Aerodynamic analysis was conducted using 3D Computational Fluid Dynamics (CFD) simulations based on Unsteady Reynolds-Averaged Navier-Stokes (URANS) with an overset mesh approach. The resulting aerodynamic forces were then integrated into the macro power balance calculation. Simulation results show that enlarging the cylinder dimensions significantly strengthens the Magnus effect, turning the power deficit in the 18x3 m single rotor into an efficiency surplus. In the tandem configuration, wake interference reduces the wind velocity profile on the downstream rotor, but the accumulated thrust remains efficient. The most optimal configuration is achieved by installing 2 units of tandem rotors with dimensions of 24x4 m, which generates a thrust of 21.03 kN and contributes a maximum net power saving of 75.94 kW, representing a main engine load reduction of 23.82% at a service speed of 10 knots.

Item Type:	Thesis (Other)
Uncontrolled Keywords:	CFD, Efek Magnus, Neraca Daya, Propulsi Hybrid, Rotor Flettner, Flettner Rotor, Hybrid Propulsion, Magnus Effect, Power Balance
Subjects:	V Naval Science > VM Naval architecture. Shipbuilding. Marine engineering > VM773 Ship propulsion, Electric
Divisions:	Faculty of Marine Technology (MARTECH) > Marine Engineering > 36202-(S1) Undergraduate Thesis
Depositing User:	Reksa Alivia Dharma
Date Deposited:	03 Aug 2026 02:19
Last Modified:	03 Aug 2026 02:19
URI:	http://repository.its.ac.id/id/eprint/141883

Actions (login required)

View Item