HULL AND PROPELLER BIOFOULING ASSESSMENT
ASSESSMENT OF HULL AND PROPELLER DEGRADATION DUE TO BIOFOULING USING TREE-BASED MODELS Nikos Themelis, School of Naval Architecture and Marine Engineering (NTUA)Vasilios Zagkas & George Nikolaidis, SimFWD ABSTRACT A hull and propeller biofouling assessment framework is presented and demonstrated using a bulk carrier as a case study corresponding to an operational period of two and […]
DEEP LEARNING METHOD FOR PREDICTION OF SHIP FUEL CONSUMPTION
DEEP LEARNING METHOD FOR PREDICTION OF SHIP FUEL CONSUMPTION Mingyang Zhang, Pentti Kujala, Spyros Hirdaris, Aalto University, FinlandNikolaos Tsoulakos, Laskaridis Shipping Co. Ltd ABSTRACT In recent years, the European Commission and the International Maritime Organization (IMO) implemented various operational measures and policies to reduce ship fuel consumption and related emissions. The effectiveness of these […]
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 […]
PROPELLER PERFORMANCE
A VORTEX-ELEMENT METHOD FOR THE CALCULATION OF WAVES AND SHIP MOTION EFFECTS ON PROPELLER PERFORMANCE K. Belibassakis, School of Naval Architecture and Marine Engineering (NTUA) Presented at the 34th International Ocean and Polar Engineering Conference, Rhodes – June 2024 ABSTRACT Ship propulsion performance in environmental conditions corresponding to moderate and more severe sea states […]
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.) – Nov 2023 ABSTRACTThe RETROFIT55 EU project aims to develop […]
HYDRODYNAMIC OPTIMIZATION OF SHIPS
HYDRODYNAMIC OPTIMIZATION OF SHIPS WITH RETROFITTED WASP SYSTEMS Hannes F. Renzsch, Friendship Systems AG, Germany Fabian Thies, Friendship Systems AG, Germany Presented at Innov’Sails conference May 2023ABSTRACTWind 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 […]
