Articles tagged with Internal Combustion Engines
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A multidisciplinary team led by Natasha Vermaak investigates developing structural materials resistant to high-frequency thermomechanical loads for rotating detonation engines. The project aims to address the lack of established materials solutions for extreme thermomechanical loadings, enabling advancements in propulsion systems.
Southwest Research Institute (SwRI) is expanding its heat exchanger testing capabilities to include megawatt-scale performance evaluations. This move addresses a significant market gap for high-heat transfer rates involving high-temperature and -flowrate applications in data centers, defense, and other fields.
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.
A study by Virginia Tech researchers found that electric vehicles generally produce less non-exhaust emissions than gasoline-powered vehicles when driving in city conditions. The research also highlights the environmental benefits of regenerative braking, which reduces brake abrasion emissions.
The study reveals that colder fuel increases the spray impingement ratio, leading to higher wall adhesion and thicker films. The findings aim to optimize fuel injection strategies for cleaner, more efficient engines.
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.
Researchers at the University of Gothenburg studied how bubbles form in a drop of biodiesel using femtosecond lasers. The findings aim to improve engine efficiency, reduce emissions, and increase fuel combustion. Understanding bubble formation is crucial for developing more efficient biofuel motors.
Researchers at KAUST developed an inverse mixture-design approach using machine learning to create high-performance transport fuels. The model accurately predicted fuel properties and identified suitable blends, offering a promising solution to reduce greenhouse gas emissions.
A team of scientists from Tokyo University of Science has developed a machine learning-based tool to predict thermoacoustic oscillations in engines. The tool uses dynamical systems theory and can classify combustion into three states, identifying pressure fluctuations that indicate future combustion oscillations.
Researchers at Georgia Institute of Technology have developed a laboratory-scale system that produces green hydrogen at relatively low temperatures, capturing CO2 emissions. The CO2/H2 Active Membrane Piston (CHAMP) reactor can be scaled up or down to meet specific needs and operates more slowly than conventional engines.
Recent advances have enabled electric vehicles (EVs) to achieve sustained speeds of over 180 miles per hour and establish world speed records above 300 mph. EVs have inherent advantages in efficiency and torque, with energy storage-to-torque being above 90 percent efficient compared to less than 35 percent for internal combustion engines.
A simple device that uses an electrically charged tube to create an electric field that thins fuel has been developed, leading to a 20% increase in gas mileage in highway driving and a 12-15% gain in city driving. The technology has potential applications on all types of internal combustion engines.
The pilot plant uses electrolysis to produce high-purity hydrogen, with a purity exceeding 99.999 percent. The system also compresses natural gas for use as a motor fuel, reducing petroleum use and providing air emissions benefits.
Chemical engineers at Purdue University have developed a computerized system that mimics evolution to discover new gasoline additives. The system combines and recombines chemical components until the fittest fuel additives emerge, offering improved engine performance by reducing deposits on engine valves.