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May 17, 2022 —Researchers assessed the potential impact of a rocket launch on atmospheric pollution by investigating the heat and mass transfer and rapid mixing of the combustion byproducts. The team modeled the ...
Aug. 2, 2021 —A vital piece of gas engines, combustors -- the chambers in which the combustion powering the engine occurs -- have the problem of breaking down due to fatal high-frequency oscillations during the ...
Aug. 27, 2020 —In a year defined by obstacles, a student rocket team persevered. Working together across five time zones, they successfully designed a hybrid rocket engine that uses paraffin and a novel nitrous ...
Feb. 14, 2023 —When the Artemis 1 mission was launched in November, it became the world's most powerful rocket, and with liftoff came a loud roar heard miles away. Researchers report noise measurements during ...
Aug. 23, 2022 —丰富的互联网关于声功率of the Saturn V suggest that it melted concrete and lit grass on fire over a mile away, but such ideas are undeniably false. Researchers used a ...
Aug. 12, 2020 —Researchers have sent perovskite and organic solar cells on a rocket into space. The solar cells withstood the extreme conditions in space, producing power from direct sunlight and reflective light ...
Mar. 16, 2021 —Sea-based fish farming systems using net pens are hard on the environment and fish. A closed cage can improve fish welfare, but seawater must be continuously circulated through the cage. However, ...
June 10, 2021 —New research used a system for monitoring nuclear tests to track the infrasound from 1,001 rocket launches, identifying the distinctive sounds from seven different types of rockets. In some cases, ...
July 19, 2021 —Scientists at Tohoku University and colleagues in Japan have developed a mathematical model that helps predict the tiny changes in carbon-based materials that could yield interesting ...
Feb. 23, 2021 —A revolutionary machine-learning (ML) approach to simulate the motions of atoms in materials such as aluminum is ...