Efficient Prediction of Cavitation-induced Underwater Noise in Ducted Propulsors via Vortex-Particle and Semi-Empirical Modeling

Suraj Kashyap¹, Zhi Cheng³, Waltfred Lee², Giorgio Burella², Brendan Smoker², Rajeev Jaiman³

1: SimBlue Marine Solutions; 2: Robert Allan Ltd.; 3: University of British Columbia Vancouver, Canada

Influence of Water Quality on Cloud Cavitation Dynamics over a Hydrofoil

Mariana Costa, Daniele Fiscaletti, Tom van Terwisga, Jerry Westerweel

Delft University of Technology, Netherlands, The

Development and Application of a Workflow for Designing Composite Marine Propellers

Bente Schalk-Meijerink, Erik van Wijngaarden, Evert-Jan Foeth

Maritime Research Institute Netherlands (MARIN), Wageningen, the Netherlands

Hydro-acoustic Optimization of Marine Propellers: A Multi-Fidelity Strategy for Tip-Vortex Noise Reduction

Adrian Portillo-Juan¹, Simone Saettone², Esteban Ferrer¹

1: Technical University of Madrid (UPM), Spain; 2: Bound4Blue

Experimental Study of Hydrodynamics and Cavitation Performance of Ducted Propeller for Model Validation and Future Data-Driven Research

Mohammed {Shameem} Islam¹, Amir Chizfahm², Jason Murphy¹, Girogio Burella², Jody Murphy¹, Vince den Hertog²

1: National Research Council of Canada, Canada; 2: Robert Allan Ltd.

From Research Project to Certification of a Composites Propeller

Stephane Paboeuf¹, Maxime Deydier¹, Erik Van Wijngaarden², Bente Schalk-Meijerink², Steven Libot³

1: Bureau Veritas, France; 2: MARIN, Netherlands; 3: Jules Dock, Netherlands

Numerical Validation of Underwater Radiated Noise Prediction Methods in Shallow Waters with Cavitation Effects

Marco Weiss, Keqi Wang, Moustafa Abdel-Maksoud

Hamburg University of Technology, Germany

The Study of the Scaling Method on Predicting the Net Thrust for an Arctic Vessel

Ha Neul Kim¹, Gi Su Song¹, Hyoung Gil Park²

1: Korea Maritime & Ocean University, Busan, Republic of (South Korea); 2: Samsung Ship Model Basin, Daejeon, Republic of (South Korea)

ML-assisted Ply Optimisation of AFP-made Carbon Composite Blade for a Marine Propeller

Rounak Saha Niloy¹, Ebrahim Oromiehie¹, Phyo Thu Maung², B. Gangadhara Prusty¹

1: ARC Training Centre for Automated Manufacture of Advanced Composites (AMAC), School of Mechanical and Manufacturing Engineering, UNSW Sydney; 2: Platforms Division, Defence Science and Technology Group

On the Development and Assessments of Empirical Tools for Predicting Propeller Hydrodynamics, Induced Hull Pressure, and URN

Leanne Clarke¹, Mohammed Islam¹, Jason Mill¹, Lorenzo Moro²

1: National Research Council of Canada (NRC), Canada; 2: Memorial University of Newfoundland, Canada

Investigation of the Effect of Turbulence Stimulator of Propeller Blades on Self-Propulsion Factors

Yuki Saito¹, Yasuhiko Inukai²

1: Japan Marine United Corporation, Japan; 2: NIHON SHIPYARD CO., LTD., Japan

Propeller Design for an Ultra-Light Electric Boat

Andreas Arapakopoulos, Stefan Harries, Heinrich von Zadow

Friendship Systems AG, Germany

Propeller-Induced Hull Pressures Prediction via viscous-corrected BEM: Integrating Boundary Layer Displacement Effects

Thomas Wu, Spyros Kinnas

The Univerlsty of Texas at Austin, United States of America

Long-Term Full-Scale Measurement of Stern Flow Fields on a VLCC using Multi-Layered Doppler Sonar (MLDS)

Yasuhiko Inukai¹, Yoshitaka Nishihara¹, Ryota Nirasawa¹, Takashi Naito², Hiroaki Torii³, Akifumi Koshiji³, Masahiko Mushiake⁴, Satoshi Kawanami⁴

1: Nihon Shipyard Co., Ltd, Tokyo, Japan; 2: MTI Co., Ltd, during the research period, Japan Marine United Corporation -current affiliation, Yokohama, Japan; 3: MTI Co., Ltd, Tokyo, Japan; 4: Furuno Electric Co., Ltd, Nishinomiya, Japan

Performance maps of fully electric VAPs: multi-objective optimization across blade kinematics and advance ratios

Guillaume Fasse¹, Matthieu Sacher¹, Frédéric Hauville²

1: ENSTA, Institut Polytechnique de Paris, UMR CNRS 6027, IRDL, 29200 Brest, France; 2: Naval Academy Research Institute (IRENav), BCRM Brest, CC600, 29240 Brest Cedex9, France

Isolating propeller noise-generating mechanisms from full-scale ship noise measurements

Max Steden¹, Joseph Praful Tomy¹, Øystein Solheim Pettersen², Tormod Gjestland²

1: Everllence, Filial af Everllence SE, Tyskland, Denmark; 2: DNV Maritime Advisory, Høvik, Norway

Three-dimensional visualizations of the wake behind a propeller operating at oblique inflow

Gunnar Jacobi, Daniele Fiscaletti

Department of Maritime & Transport Technology, Technische Universiteit Delft, Delft, The Netherlands

Experiences with the First Retrofit Gate Rudder System

Mehmet Atlar, Noriyuki Sasaki, Cagatay Koksal, Ahmet Gurkan, Liam Nugent, Osman Turan

The University of Strathclyde, United Kingdom

Validation of a potential flow based propeller URN prediction tool with full-scale measurements and viscous flow simulations

Joseph Praful Tomy, Rasmus Møller Bering, Max Steden, Keun Woo Shin

Everllence SE, Denmark

VTT Test Case: Ice-Class Thruster Unit for Benchmarking

Antonio Sanchez-Caja, Ville Viitanen, Kai Happonen, Jussi Martio

VTT Finland, Finland

A Turbine Blades Optimization Analysis for the In Pipe Hydropower Generation on the TSHDs

CunXian Cao^1,2, Ying Chen^1,2, Long Yu^1,2

1: shanghaijiaotong University, China, People's Republic of; 2: School of Ocean and Civil Engineering, Shanghai Jiao Tong University, Shanghai 200240, China

Propeller-Radiated Underwater Noise in Transient Operations: Insights from Full-Scale Measurements

Md Saiful Islam¹, Jacopo Fragasso², Mohammed Islam³, Lorenzo Moro²

1: Department of Mechanical Engineering, Memorial University of Newfoundland, Canada; 2: Department of Ocean and Naval Architectural Engineering, Memorial University of Newfoundland, Canada; 3: Ocean, Coastal and River Engineering Research Centre of the National Research Council, Canada

3D Flow Measurement in the Tip Gap Region of a Wall-Bounded Foil

Adam Harwood¹, Mark J. Yamakaitis¹, Charles Fort¹, Tingyi Zhang², Manuj Awasthi², Charitha de Silva², Danielle Moreau², Con Doolan², Philippe M. Bardet¹

1: George Washington University (GW), Washington, DC, United States of America; 2: University of New South Wales (UNSW), Sydney, NSW, Australia

Unsteady Bow Thrusters: Passive Mitigation of Unsteady Loads and Reverse-Operation Effects

Mehrdad Kazemi, Nikolai Kornev

University of Rostock, Germany

Determining Ice-Propeller Interaction Loads from the Torsional Vibration Response of a Polar Shaftline

Isaac Burke, Jacopo Fragasso, Khaled Helal, Lorenzo Moro

Memorial University of Newfoundland, Canada

Experimental Assessment of the Hydrodynamic and Hydroacoustic Performance of a Pump-Jet Propulsor Compared to a Conventional Propeller

Mario Felli¹, Davide Grassi², Stefano Gaggero³, Chanwoo Bae⁴

1: CNR INM, Italy; 2: CETENA S.p.A, Italy; 3: UNIVERSITY OF GENOVA, italy; 4: BC FERRIES, Canada

Full-Scale Cavitation Observations with the CPP of a RoPax Ferry in Reverse Manoeuvre

Cagatay Koksal¹, Mehmet Atlar¹, Noriyuki Sasaki¹, Islam Amin², Emin Kucukkaraman², Andrew Milligan²

1: University of Strathclyde, Glasgow, United Kingdom; 2: Ferguson Marine, Port Glasgow, United Kingdom

Design and Analysis of a Low Noise Propeller through Simulation Based Design Optimization

Francesco Furcas, Davide Grassi

CETENA S.p.A., Italy

Hydrodynamic Performance of a Cycloidal Propulsor in Model-Scale and Full-Scale

Negin Donyavizadeh¹, Alex Shiri², Kasper Ljungqvist², Arash Eslamdoost¹

1: Chalmers University of Technology, Gothenburg, Sweden; 2: RISE Research Institutes of Sweden, Gothenburg, Sweden

Propeller Cavitation and Load Variation with Steerable Nozzles Under Steering Conditions

Ariel Boediman¹, Nobuhiro Hasuike¹, Jun Ando²

1: Nakashima Propeller Co., Ltd., Japan; 2: Department of Marine Systems Engineering, Faculty of Engineering, Kyushu University, Japan

Computational Fluid Dynamics Simulation on Forward Skewed Marine Propeller Performance and Hydroacoustic Signatures

Zehao Sun, Weichao Shi

Mechanical Engineering and Marine Technology, Newcastle University, United Kingdom

Numerical Prediction of Rudder Surface Pressures in Freestream and behind-Propeller Flows with and without Rudder Defect

Matthew Gauthier, Mark Bettle

DRDC, Canada

Challenges in practical cavitation modelling - experience of the Nawigator XXI test case of the W2025 CFD Workshop

Artur Lidtke, Johan Bosschers, Bram Starke, Serge Toxopeus

Maritime Research Institute Netherlands (MARIN), Netherlands, The

Reconstructing Acoustic Pressure Peaks form an Energy-Based Erosion Model and Accelerating Erosion Prediction with Physics-Informed Learning

Themistoklis Melissaris, Ian Hubbard

Wärtsilä Netherlands, Netherlands, The

Cavitating Flow and Underwater Noise in Tug Vessels with Ducted Propellers: A Combined Numerical and Experimental Study

Zhi Cheng¹, Suraj Kashyap², Brendan Smoker³, Giorgio Burella³, Rajeev Jaiman¹

1: University of British Columbia Vancouver, Canada; 2: SimBlue Marine Solutions; 3: Robert Allan Ltd.

A Study on the Effects of Propeller Pitch Variation for Propeller-Rudder Interaction

Rui Lopes¹, Arash Eslamdoost¹, Rikard Johansson², Seemontini RoyChoudhury², Rickard Bensow¹

1: Department of Mechanics and Maritime Sciences, Chalmers University of Technology, Sweden; 2: Kongsberg Maritime Hydrodynamic Research Centre, Kongsberg Maritime Sweden AB, Kristinehamn, Sweden

New insights about lifting surfaces vortex-induced vibrations

yann watine, Céline Gabillet, Jacques-André Astolfi

IRENav, France

Application of Energy-Saving Devices to suppress Propeller noise: Studies using Large-Eddy Simulations

Duncan McIntyre

University of Victoria, Canada