Radiation News

To help metal fabricators improve productivity, quality and workforce needs, ESAB has launched its new Tracfinder Rail and Tracfinder Wheel series of battery-powered welding tractors and unveiled its newly branded ROBBI Mobile cobot welding system. ROBBI is now available with the Aristo Edge 500R power source and RoboFeed Edge robotic wire feeder, which offer next-generation capabilities. Compared to manual welding, these automation solutions can typically increase output per…

No civilian maritime nuclear facilities have been commissioned in over four decades, but there’s been three major reports released this month on their future potential.DNV’s latest report, Maritime nuclear propulsion: Technologies, commercial viability, and regulatory challenges for nuclear-powered vessels, provides a regulatory perspective on security, one of the key challenges for future adoption. As it says: Safety, security and non-proliferation remain paramount. Future installations must be designed to withstand collisions, groundings, and external threats such as sabotage or piracy.

Researchers in South Korea at the Korea Institute of Machinery and Materials (KIMM) have reportedly developed a hull-attached sensor-based system for predicting underwater radiated noise (URN), a key factor in naval stealth operations.KIMM Develops First Hull-Attached Sensor System for Predicting Underwater Radiated NoiseNew algorithm predicts underwater noise in real timeBoosts naval stealth and operational efficiencyThe new technology allows real-time monitoring of underwater noise levels generated by naval vessels…

Australia’s unique enclosed self-discharging transhippers ensure a dust-free supply chain for the Onslow Iron project.Onslow in north Western Australia is a desert. It receives less than 10 inches of rain a year, and for much of the year temperatures reach 95 degrees Fahrenheit. It’s known for dust storms that can turn the town red.It’s iron ore country, but the lack of a deepwater port meant that the nearby resources were stranded until Mineral Resources (MinRes) came up with…

Dutch offshore contractor Allseas has launched a five-year plan to design, develop and deploy a Small modular reactor (SMR) tailored for integration into offshore vessels and for onshore use.Building on 40 years of engineering expertise in the offshore energy industry, Allseas move into nuclear marks the next bold step aimed at delivering clean, high-performance energy systems to sea and shore.Allseas has selected High-temperature gas-cooled reactors (HTGRs) in the 25 MWe range, due to their inherently safe characteristics.

The US Coast Guard’s Office of Commercial Vessel Compliance recently released its U.S. Port State Control Annual Report for 2024 highlighting a 200% increase in untreated ballast water discharges compared to 2023.With this result, there’s still a risk of invasive species arriving in ballast water. And a review of research into the organisms found in ballast water published in March highlights just how limited current knowledge is.The study found that 53.5% of the sampling effort of in-situ ballast water has been concentrated in North America…

Emden’s Great Sea Lock (Große Seeschleuse) is to be protected from corrosion with a Steelpaint coating system following a contract award by the Lower Saxony Port Authority (Niedersachsen Ports) as part of a refurbish and renewal project. The lock will remain operational throughout the upgrade, which will take about 10 years to complete.The $105m project will involve constructing new reinforcements to optimize flood defense, new transformer stations, a reserve gate and a cable pull system.Steelpaint will supply a comprehensive coating system for approximately 50,000 sq.

In the ever-evolving quest for cleaner, more efficient energy sources in maritime vessel operations, nuclear power has re-emerged as a topic of serious discussion, as shipowners eye the International Maritime Organization push to ‘net zero’ on or around 2050. Admittedly, there is no ‘silver bullet’ solution for the entirety of maritime premised on the wide variety of routes and ship types, but nuclear holds promise in several large-ship, oceangoing sectors. Phil Lewis, Director of Research at Intelatus…

A nuclear-propelled containership designed by HD Korea Shipbuilding & Offshore Engineering (HD KSOE) received approval in principle from ABS.The design for a 15k TEU vessel uses a propulsion system comprised of a molten salt reactor (MSR) for heat and a supercritical carbon dioxide (SCO2) system for power generation. Unlike conventional ships, nuclear-powered vessels do not require engine exhaust systems or fuel tanks. HD KSOE has optimized the space previously occupied by large engine room equipment to accommodate additional containers, enhancing economic efficiency.

The maritime industry is exploring whether nuclear fuel can be used to power commercial ships as advancements in technology open up such options, industry officials said. Nevertheless, any possible nuclear fuel solutions for ships are at least 10 years away, they added.Shipping accounts for nearly 3% of global CO2 emissions and the industry is under pressure from investors and environmentalists to find cleaner fuel solutions, which include ammonia, methanol, and wind. Nuclear energy has been used in the past to power military submarines and icebreakers…

Fincantieri, reactor developer newcleo and class society RINA have agreed to carry out a feasibility study for nuclear applications to the shipping industry, including newcleo’s lead-cooled small modular reactors (SMRs) technology.The deployment of newcleo’s lead-cooled fast reactor (LFR) for naval propulsion would involve placing a closed mini reactor on vessels as a small nuclear battery producing a 30MW electric output. This would require infrequent refuelling (only once every 10-15 years)…

Explosive charges aboard the ship enabled battle damage assessment (BDA) teams to respond to actual damageThe former Austin-class amphibious transport dock USS Denver (LPD 9) was sunk in a blaze of glory as a target ship during the recent Rim of the Pacific (RIMPAC) Exercise 2022. The 9,600-ton, 561-foot Denver, which was commissioned in 1968 and served until being retired in 2014, had been stored with other inactive ships at Pearl Harbor, Hawaii, before being sunk about 50 miles north of Kauai in about 15…

Japan's health ministry said on Tuesday it had ordered the suspension of shipments of black rockfish caught off Fukushima prefecture after radiation exceeding an upper limit was detected in a catch late last month.The development comes on the heels of an announcement by Taiwan that it would relax a ban on food imports from Japan put in place after the 2011 Fukushima nuclear disaster.The suspension means the targetted fish would not be shipped, regardless of the destination, a ministry official said. (Reporting by Kiyoshi Takenaka; Editing by Andrew Heavens)

The research vessel Sikuliaq navigated among and around the chunks and slabs of Arctic sea ice above Alaska for several weeks on two voyages this fall, breaking through frozen slabs when it had to, just as its sturdy hull is designed to do. It's now on a third trip.The Sikuliaq, a 261-ft. ice-capable research vessel operated by UAF, pauses in the Arctic Ocean in June 2021 during its fifth year of operation. A few months later, it traveled farther north than ever before — almost 500 miles beyond Point Barrow.Satellite imagery produced at the Geographic Information Network of Alaska…

For those operating equipment on, under or near the water for commercial or recreational purposes, the corrosive effects of saltwater can be costly. For the U.S. Navy, the ramifications could be much more severe.As a doctoral student in mechanical engineering and applied mechanics at the University of Rhode Island, Irine Neba Mforsoh studied the long-term effects seawater and ultraviolet radiation have on the materials used to coat marine structures.After earning her doctorate in spring 2021…

ONEX Peace, an Aframax tanker built by Hyundai Samho Heavy Industries and delivered to its owner ONEX, has become the world’s first merchant ship to receive DNV’s SILENT-E notation. The SILENT-E notation ensures ships do not exceed average-to-moderate Underwater Radiation Noise (URN) levels. Vessels with this notation can minimize their impact on marine life and document noise performance for authorities, or those requiring proof of noise emissions for transit through vulnerable…

While the maritime industry steams toward alternative and dual fuel solutions, much of the focus, rightfully so, remains on the main movers as well as the overall vessel design and logistics considerations. Here we look at the SERO PumpSystems’ SHPmarine side channel pump, a pump integrated into the “Secondary Fuel Supply Systems” (SFSS) of hybrid ship propulsion units pumping LPG (propane) to the main shipboard engine. According to the manufacturer, it is the first pump of its kind to be both Lloyd's Register accepted and DNV GL type approved for maritime dual fuel propulsion systems.

Most people these days are aware of risks inherent in our increasingly electronic maritime industry. There is malware, ransomware, and spear phishing to name a few. But a new one has been recently identified – cosmic rays.Cosmic rays are high-energy protons and atomic nuclei which move through space at nearly the speed of light. They originate from the sun, from stars outside of the solar system, and from distant galaxies. They are capable of penetrating and passing through almost any material.

Marell Boats of Sweden launched the M15 Quad outboard open high-speed interceptor that includes fine tuning of the M15 hull and the addition of four Mercury 450HP Outboard engines on an extended platform.The M15 is designed for high speed interception and boarding, with a center steering position for a helmsman to optimize control and allow for full view of the surroundings during boarding maneuvers and high speed turns. Ullman shock absorbing seats level out the impact from the…

Nearly a decade after the Fukushima nuclear disaster, Japan's government has decided to release over one million tonnes of contaminated water into the sea, media reports said on Friday, with a formal announcement expected to be made later this month.The decision is expected to rankle neighboring countries like South Korea, which has already stepped up radiation tests of food from Japan, and further devastate the fishing industry in Fukushima that has battled against such a move…

At the edge of the ice blanketing part of the Arctic Ocean, the ice looked sickly. Where thick sheets of ice once sat atop the water, now a layer of soft, spongey slush slid and bobbed atop the waves.From the deck of a research ship under a bright, clear sky, “ice pilot” Paul Ruzycki mused over how quickly the region was changing since he began helping ships spot and navigate between icebergs in 1996.“Not so long ago, I heard that we had 100 years before the Arctic would be ice free in the summer,” he said. “Then I heard 75 years, 25 years, and just recently I heard 15 years.

The Bering Sea ice cover during the winters of 2018 and 2019 hit new lows not seen in thousands of years, scientists reported on Wednesday, adding to concerns about the accelerating impact of climate change in the Arctic.Satellite data provides a clear picture of how sea ice has changed over the last four decades in the region between the Arctic and northern Pacific oceans. Beyond that, the only ice records available were those recorded in ship logs and other observations.So scientists turned to peat land, which holds organic compounds from plants dating back millennia, on the remote St.

MetalCraft Marine has delivered a new patrol boat to the Port of Los Angeles. The new vessel is one of a new breed of chemical, biological, radiological and nuclear (CBRN) detection patrol boats.According to the builder, the bow entry is the critical design feature of all Interceptor models. Its high-speed rough water performance allows the operators to go offshore to inspect incoming ships before they enter the port for nuclear and chemical hazardous contaminants.The boat is designed for rough water with structure design to ISO 12215 and stability to ISO 12217 Category B…