Articles tagged with Marine Engines
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Researchers created a methodology to replace two diesel engines with pneumatic propellers, generating 250 kW of power and reducing fuel costs by USD 73,000. The study showed that the payback period for retrofitting a ferry with air motors is around 8 years.
The Hydrogen Engine Alliance of North America aims to educate the public about hydrogen's potential and build support for infrastructure development. It will foster innovation and collaboration across sectors to ensure that internal combustion engine vehicles contribute meaningfully to North America's hydrogen ecosystem.
The Flexible Clean Propulsion Technologies project aims to develop innovative clean solutions for maritime transport and off-road machinery, reducing greenhouse gas emissions by up to 100% through the use of zero- and low-carbon fuels. The consortium brings together key players in Finland and international partners to shape the future ...
A team at Sharjah University has created an air-operated propeller that can drive vessels and ferries, reducing emissions, pollution, and noise. The pneumatic system provides a 6% extra propulsion force and a carbon footprint saving of 307 kgCO2/year compared to electrical motors.
Burning ammonia for maritime fuel could worsen air quality and lead to devastating public health impacts, even with cleaner engine technology and green production methods. The study suggests that stronger regulations could reduce premature deaths from 600,000 to 66,000 annually
The university aims to strengthen basic research in the field of sustainable energy systems by hiring Professor Nicole Wermuth, who will focus on large engines and climate-neutral fuels. She will investigate new materials and combustion processes to improve efficiency and minimize emissions.
A study from Chalmers University of Technology found that the production and use of ammonia as a marine fuel can lead to eutrophication, acidification, and emissions of potent greenhouse gases. Researchers warn that the pursuit of low-carbon fuels may create new environmental challenges.
Researchers have identified an operational strategy that can reduce shipping emissions by up to a quarter by combining modern sail technology with efficient routing systems. The study found that this approach can provide greater assurances of carbon savings by mitigating the impact of unpredictable weather patterns.
Researchers found that humpback whales have a unique response to wind noise, singing louder in noisy conditions. In contrast, they do not exhibit an increased reaction to vessel noise from boats. This finding has implications for understanding whale behavior and potential consequences for breeding practices.
Researchers from Korea Maritime & Ocean University found that using LPG as a marine fuel can reduce annual fuel consumption by 7.5-10.4%, fuel cost by 8.8-25.9%, and carbon dioxide emissions by 10-14%. The study also highlights the potential for promoting LPG as an eco-friendly alternative to traditional fuels.
Researchers from NTU Singapore found significant increases in pollutant emissions at major international seaports during the COVID-19 pandemic. Emissions rose by over 100% in some ports, with container ships and dry bulk carriers experiencing the largest spikes.
Researchers from Aarhus University found that boat engines can disturb humpback whales, causing them to change behavior and reducing their resting time. The team recommends a 150 dB noise emission standard to minimize disturbance, ensuring whales receive some peace and quiet.
A team from Aarhus University and Vestas Aircoil is developing a new composite material to replace heavy, expensive cast iron components in massive ship engines. The goal is to reduce weight and chemical treatment costs, making maintenance easier and more efficient.
Researchers tracked 41 boats across 28 sites in the Republic of Congo, collecting 5,500 hours of data on fishing trips. Fishers in urban areas travel far offshore with minimal safety gear, while those in rural areas make daily trips closer to shore.
A NIOSH study reveals extremely hazardous carbon monoxide concentrations can accumulate near rear decks of uncontrolled gasoline-powered generators on houseboats. Innovative engineering controls have reduced exposure by up to 99 percent, enhancing safer working environments for boat users.
A new institute will focus on reducing greenhouse gas emissions and improving combustion efficiency in marine diesel engines, which emit significant pollutants. The research aims to produce lab-scale prototype technology that can be scaled up for testing in full-size engines.
Engineers at Ohio State University have developed a method of computer analysis that extracts valuable information from the pitches of sound coming from a car, revealing insights into engine performance and driver technique. The same technique could be applied to other complicated machinery, such as power plant turbines.