Offshore Technology

Offshore Technology explores the systems, engineering practices, innovations and challenges, driving offshore operations across energy and marine sectors. Topics you can expect include subsea engineering, floating production systems, offshore wind technologies, digital monitoring and control systems, and asset integrity management.

Delve into analysis, and insights on emerging technologies improving safety, efficiency, and performance in increasingly harsher offshore environments in the journey to cleaner sustainable energy sources.

A NEW EXPERIMENTAL SETUP TO TEST THE INFLUENCE OF WIND PROPULSION ON MANOEUVRING AND SEAKEEPING

Wind Propulsion

By R Eggers A S Kisjes M Bonci

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As wind-assisted propulsion becomes more widespread, robust methods for validating ship manoeuvrability and seakeeping are increasingly important. This research introduces an advanced model-testing approach using a five-winch system capable of independently applying wind-induced forces and moments, enabling realistic assessment of highly wind-assisted vessels. Results demonstrate its effectiveness in evaluating safety, handling and regulatory compliance, supporting the reliable integration of wind propulsion technologies into future ship designs.

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Detail Link: A NEW EXPERIMENTAL SETUP TO TEST THE INFLUENCE OF WIND PROPULSION ON MANOEUVRING AND SEAKEEPING

EXPERIMENTAL INVESTIGATION OF THE IMPACT OF LEEWAY AND RUDDER ANGLES ON THE YAW MOMENT BALANCE FOR WIND PROPELLED SHIPS

Wind Propulsion

By S Hosseinzadeh D Hudson S Turnock M Prince J Banks

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As wind-assisted propulsion gains momentum, understanding its hydrodynamic consequences is becoming critical. Advanced towing-tank experiments reveal how leeway and rudder angles influence resistance, stability and yaw behaviour, sometimes requiring significant helm corrections. The findings provide valuable guidance for designing safer, more efficient low-emission vessels and future propulsion strategies at scale.

Detail Link: EXPERIMENTAL INVESTIGATION OF THE IMPACT OF LEEWAY AND RUDDER ANGLES ON THE YAW MOMENT BALANCE FOR WIND PROPELLED SHIPS

LEVERAGING WIND PROPULSION SYSTEMS FOR NEW BUILD VESSELS VIA GENERATIVE DESIGN - Copy

Wind Propulsion

By S Khan S Schofield

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

Wind-assisted propulsion is moving from retrofit opportunity to core design principle. Advanced simulation-driven optimisation, generative design and data-centric engineering are enabling vessels to maximise technologies such as WindWings® from concept stage. By accelerating design-space exploration and reducing computational effort, new approaches promise greater efficiency, emissions reductions and commercial viability ahead.

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Detail Link: LEVERAGING WIND PROPULSION SYSTEMS FOR NEW BUILD VESSELS VIA GENERATIVE DESIGN - Copy

SEAKEEPING AND MANOEUVRING SIMULATIONS FOR WIND-POWERED VESSELS AT THE DESIGN STAGE

Wind Propulsion

By S Kontos M Kjellberg N Costa J Östh L Sanchez-Heres F Olsson F C Gerhardt S Werner

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As wind propulsion becomes a key decarbonisation technology, its impact on vessel manoeuvrability and safety is attracting increased attention. Advanced time-domain simulation and co-simulation techniques reveal how wing sails can significantly influence ship handling, while highlighting opportunities to optimise control systems, human-machine interfaces and vessel design. The findings support safer integration of wind propulsion and inform future regulatory development.

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Detail Link: SEAKEEPING AND MANOEUVRING SIMULATIONS FOR WIND-POWERED VESSELS AT THE DESIGN STAGE

ITTC GUIDELINES AND RECOMMENDATIONS FOR WIND PROPULSION TECHNOLOGY

Wind Propulsion

By S Werner D Trodden A Alterskjær K Kume R Eggers Y Kim Y Gao X Zhang

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As wind propulsion moves rapidly from niche innovation to mainstream maritime technology, industry-wide standards are becoming essential. New guidelines on performance prediction, sea trials and evaluation methods are helping establish a common framework for designers, operators and regulators. The work supports safer adoption, improved confidence and accelerated deployment of wind-powered shipping solutions worldwide.

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Detail Link: ITTC GUIDELINES AND RECOMMENDATIONS FOR WIND PROPULSION TECHNOLOGY

ENHANCING CONFIDENCE IN MULTI-SAIL PERFORMANCE PREDICTION: A COMPARATIVE STUDY OF AERODYNAMIC INTERACTIONS MODELS WITH WIND TUNNEL DATA

Wind Propulsion

By T Tardif C Gouriou F Stella

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

Understanding aerodynamic interactions between multiple wingsails is becoming increasingly important as wind-assisted propulsion scales across commercial shipping. High-Reynolds wind tunnel testing reveals that simplified prediction methods can significantly underestimate complex sail-to-sail effects. Enhanced aerodynamic models incorporating pressure gradients, viscous flow behaviour and improved vortex representation offer more accurate performance predictions, supporting better vessel integration, optimisation and efficiency of next-generation wind propulsion systems.

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Detail Link: ENHANCING CONFIDENCE IN MULTI-SAIL PERFORMANCE PREDICTION: A COMPARATIVE STUDY OF AERODYNAMIC INTERACTIONS MODELS WITH WIND TUNNEL DATA

HOW TO AVOID USING 50% OF GLOBAL RENEWABLE ELECTRICITY IN SHIPPING?

Wind Propulsion

By V Paakkari J Köhler

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As shipping transitions toward low-carbon fuels, attention is shifting beyond vessel technology to the scale of the energy system required to support it. This research highlights how producing sufficient alternative maritime fuels could demand up to the equivalent of global renewable electricity generation today, creating potential supply and cost constraints. Against this backdrop, wind propulsion emerges as a strategically important zero-carbon energy source, offering a practical means to reduce fuel demand, ease pressure on renewable energy infrastructure and lower the overall cost of maritime decarbonisation.

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Detail Link: HOW TO AVOID USING 50% OF GLOBAL RENEWABLE ELECTRICITY IN SHIPPING?

OPTIMIZATION OF FLUID-STRUCTURAL INTERACTIONS AND SYSTEM LEVEL POSITIONING FOR WIND-ASSISTED SHIP PROPULSION

Wind Propulsion

By W C P van der Velden M Riera

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

Wind-assisted propulsion is increasingly benefiting from advanced digital engineering tools that accelerate design optimisation and improve performance prediction. By combining aerodynamic optimisation, fluid-structure interaction, high-fidelity CFD and finite element analysis within an integrated digital workflow, engineers can assess sail performance, structural integrity and vessel integration from concept through operation. The approach enables more effective sail placement, enhanced fuel savings and improved safety, helping unlock the full potential of wind-assisted propulsion for sustainable maritime transport.

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Detail Link: OPTIMIZATION OF FLUID-STRUCTURAL INTERACTIONS AND SYSTEM LEVEL POSITIONING FOR WIND-ASSISTED SHIP PROPULSION

DEVELOPMENT OF WIND PROPULSION SYSTEM

Wind Propulsion

By Y Arai A Masutani K Amano T Aono

Edition Issue: Wind Propulsion 2024 Publication Year: 2024 Publication Type: Conference Proceeding

As wind propulsion moves from assistance to a potential primary means of propulsion, new challenges in vessel control are emerging. This research demonstrates how independently controlled rotor sails can actively manage yaw moments and maintain course stability, reducing reliance on traditional rudders. Combining CFD modelling with wind-tunnel and free-running trials, the approach offers a promising pathway for expanding the practical adoption of wind-powered shipping.

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Detail Link: DEVELOPMENT OF WIND PROPULSION SYSTEM

AN INTRODUCTION TO THE SHIPS PLANS COLLECTION AT THE NATIONAL MARITIME MUSEUM AND ITS USES FOR PRESERVING HISTORIC SHIPS

Historic Ships

By A Grover

Edition Issue: Historic Ships Conference 2023 Publication Year: 2023 Publication Type: Conference Proceeding

Royal Museums Greenwich’s extensive archive of naval and merchant ship plans offers an untapped resource for maritime innovation and heritage preservation. Supporting everything from replica vessel construction to modern warship development, these collections help recover historic shipbuilding knowledge, inform education initiatives and provide inspiration for future sustainable vessel design and propulsion solutions.

Detail Link: AN INTRODUCTION TO THE SHIPS PLANS COLLECTION AT THE NATIONAL MARITIME MUSEUM AND ITS USES FOR PRESERVING HISTORIC SHIPS

DOVER BRONZE AGE BOAT: THE BOAT, THE REPLICA, THE LEGACY

Historic Ships

By C Holt

Edition Issue: Historic Ships Conference 2023 Publication Year: 2023 Publication Type: Conference Proceeding

One of the world’s oldest seagoing vessels continues to influence maritime heritage and engineering. Tracing the Dover Bronze Age Boat from archaeological discovery to replica construction and long-term conservation, this account reveals lessons in ancient shipbuilding, experimental archaeology and preservation, while highlighting its enduring educational and cultural significance today globally.

Detail Link: DOVER BRONZE AGE BOAT: THE BOAT, THE REPLICA, THE LEGACY

THE LAST FLOWER - PRESERVING HMCS SACKVILLE, LAST OF THE FLOWER CLASS CORVETTES

Historic Ships

By G P Cottingham J W Dalziel

Edition Issue: Historic Ships Conference 2023 Publication Year: 2023 Publication Type: Conference Proceeding

HMCS Sackville stands as a powerful reminder of the Battle of the Atlantic, a campaign that was vital to maintaining the wartime lifeline between North America and Britain. As the last surviving Flower-class corvette, the vessel embodies the courage, sacrifice and industrial effort that enabled Allied convoy operations and helped secure victory in World War II. Exploring the evolution of the Flower-class, Canada’s major shipbuilding contribution and the ongoing preservation of Sackville, this story highlights the enduring importance of safeguarding maritime heritage for future generations.

Detail Link: THE LAST FLOWER - PRESERVING HMCS SACKVILLE, LAST OF THE FLOWER CLASS CORVETTES

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