CFD Modelling of Air Lubrication Systems in Ships

CFD Modelling of Air Lubrication Systems in Ships Roya Shademani1, Tommi Mikkola1, Teemu Manderbacka1, Sasan Tavakoli2, Heikki Remes11Department of Mechanical engineering, Aalto University 2 University of Melbourne, AustraliaRoya.shademani@aalto.fi Presented at the 26th Numerical Towing Tank Symposium (NuTTS) – Duisburg, Germany Maritime transportation dominates global trade, with oceangoing ships, including container vessels, bulk carriers, and […]
PROPELLER EFFICIENCY ENHANCEMENT

EFFICIENCY ENHANCEMENT OF MARINE PROPELLERS VIA REFORMATION OF BLADE TIP-RAKE DISTRIBUTION Dimitra Anevlavi, Spiros Zafeiris, George Papadakis & Kostas Belibassakis School of Naval Architecture and Marine Engineering (NTUA)Correspondence: kbel@fluid.mech.ntua.gr ABSTRACT This work addresses the effects of blade tip-rake reformation on the performance of marine propellers using a low-cost potential-based vortex-lattice method (VLM) and the […]
OPERATIONAL DATA ANALYSIS

OPERATIONAL DATA ANALYSIS TO AID THE OPTIMIZATION OF RETROFIT SOLUTIONS WITHIN ‘RETROFIT55’ FRAMEWORK N. Themelis, School of Naval Architecture and Marine Engineering (NTUA)G. Nikolaidis, SimFWDV. Zagkas, SimFWDN. Tsoulakos, Laskaridis Shipping Co. LtdCorresponding author: nthemelis@naval.ntua.gr Presented at the 17th Annual Conference of Marine Technology (ΕΛ.Ι.Ν.Τ.) – November 2023 ABSTRACT The RETROFIT55 EU project aims to […]
Meet the Partners #14 – SimFWD, Greece

As a concluding post of this series, we would like to introduce SimFWD, one of the leading Ship Design offices in Greece. SimFWD is renowned for their expertise with advanced engineering tools like FEA & CFD. Having several years of experience with these tools, SimFWD shall contribute with their expertise in tasks concerning the Hydrodynamic Optimization of the case study […]
Meet the Partners #5 – Liverpool John Moores University, UK

The aforementioned Passive Air Lubrication System (PALS) technology requires a good understanding of the hydrodynamics involved in order to maximize it’s effects. Liverpool John Moores University (LJMU) shall contribute to this task with their expertise in Computational Fluid Dynamics (CFD). Meet the Partners #5 – Liverpool John Moores University, UK Liverpool John Moores University (LJMU) is a public teaching, […]
HYDRODYNAMIC OPTIMIZATION OF SHIPS

HYDRODYNAMIC OPTIMIZATION OF SHIPS WITH RETROFITTED WASP SYSTEMS Hannes F. Renzsch, Fabian Thies (Friendship Systems AG, Germany) Presented at Innov’Sails conference – May 2023ABSTRACT Wind assisted ship propulsion has the potential to be one of the mainstays of emission reduction of commercial shipping. As it is not feasible to simply replace the fleet in service […]