The Coandă effect
Khaled M Karmous explains his patented high-pressure water jet system that is showing promise as a new class of active friction-reduction technology, designed to cut fuel consumption by reducing hull drag.
The Naval Architect provides in-depth information on all aspects of vessel design, construction and engineering. Practical applications of latest technology and case studies are accompanied by analysis and foresights. Published every two months, the magazine covers everything from superyachts and short-hop ferries to tankers and heavy-lift vessels; from battery pack installations and sail-assisted solutions to LNG tank retrofits; and from offshore safety to warship resilience.
Khaled M Karmous explains his patented high-pressure water jet system that is showing promise as a new class of active friction-reduction technology, designed to cut fuel consumption by reducing hull drag.
RINA’s conference brought together industry leaders to examine how wind propulsion technologies are moving from concept to fleet-level implementation.
Dr Rodrigo Pérez Fernández examines digitalisation and AI as enablers of next-generation shipbuilding.
Finnish shipyard to help boost US company’s expertise and extend US polar capabilities.
Wind propulsion remains a practical and cost-effective tool for decarbonising shipping, despite the regulatory headwinds, and the time for action is now, says David Osborn, director of the IMO’s Marine Environment Division.
South Korean shipbuilder pledges to share expertise with Ontario Shipyards and Mohawk College in bid for Canadian Patrol Submarine Project contract.
Lloyd’s Register (LR) has verified the sea trials performance assessment methodology used by GT Wings for its AirWing Jet Sail system. This provides an independent stamp of approval for the way the company measures fuel and emissions savings from its wind-assisted propulsion technology.
The Grimaldi Group has taken delivery of Grande Michigan, the eighth ammonia-ready pure car and truck carrier (PCTC) in its fleet, from China Merchants Heavy Industries Jiangsu.
Wärtsilä Gas Solutions has been awarded a contract to supply cargo handling and fuel gas supply systems for two new LNG bunkering vessels currently under construction at Zhejiang Xinle Shipbuilding in China.
The UK’s Marine Accident Investigation Branch (MAIB) has appointed Rob Loder as its new chief inspector of marine accidents, succeeding Andrew Moll OBE, who retired earlier this month after 21 years at the organisation.
Read stories from across our global community, including our new specialist e-newsletters across Power & Sustainability, Ship Repair & Maintenance, Warship Technology, Ferries & Fast Craft and Offshore Technology.
The Royal Australian Navy's Anzac Class Designer Support Contract, DSC-West, will see BMT provide specialist engineering support. BMT's 2024 acquisition of Australian Maritime Technologies preserves an unbroken design lineage from the original build programme. With the frigates operating beyond their design service life, configuration control, baseline integrity and engineering change management require design-origin knowledge. BMT's contribution spans design, systems assurance and autonomy.
BAE Systems' Herne extra-large autonomous underwater vehicle is set to be the first platform of its kind certified under Lloyd's Register's Unmanned Marine Systems Code. The milestone establishes recognised assurance standards for large uncrewed submersibles, with significant implications for naval architects and the defence maritime sector.
The UK Government has committed £50 million to Plymouth's National Centre for Marine Autonomy, targeting UUV and USV development. Smart Sound Plymouth offers more than 1,000km2 of deconflicted water space and 75m offshore depths, while proximity to HM Naval Base Devonport adds operational credibility for autonomous systems validation.
Brazil’s emerging offshore industry offers an alternative challenge for naval architects. The region’s shallow water will require redesigned vessels that will work in very different conditions to those experienced in Europe’s North Sea. Brazil’s offshore ships will look quite different from the platform supply vessels (PSVs) and anchor handlers (AHTS) currently in use there.
The levelised cost of energy has seen offshore wind dive well below fossil fuels. And following damage reports in the Middle East there is a chance that this situation will persist for some years. Oil is expected to remain around US$90/barrel, prompting European operators to develop electric solutions, charging support vessels on location at windfarm arrays.
Making American Shipbuilding Great Again is a challenge that has been accepted by South Korean Yard Hanwha, with its investment in the Philly Yard. To resuscitate the industry will need a major effort, but it could start with the smaller, less complex vessels operating in offshore wind and could provide an opportunity for naval architects too.
As fast craft design adapts to harsher offshore demands and faster-moving procurement cycles, RINA explores what naval architects can learn from Arksen Pro’s approach to ruggedisation, modularity and modern market dynamics
Candela Technology’s flagship vessel, Candela P-12, holds the record as the fastest electric passenger vessel in operation. RINA reveals some of the secrets behind Candela’s pioneering hydrofoiling electric vessel design
RINA talks exclusively to Strategic Marine on how low-emission targets are helping reshape hullform optimisation in large fast ferries and how this is subsequently spurring the market towards more tailored vessel designs
David Foote, Maritime Diversity Award winner, shares how neurodiversity strengthens innovation, safety and long-term talent in shipbuilding, while calling for more inclusive recruitment and support. Nominations for this year’s Maritime Diversity Award are open, with the deadline extended to 24 April 2026
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