Les ingénieurs de la NASA réalisent une percée dans les rotors supersoniques pour les hélicoptères martiens

Français

Les ingénieurs du Jet Propulsion Laboratory de la NASA ont testé avec succès des pales de rotor plus grandes capables de tourner plus vite que la vitesse du son sans se désintégrer. Cette étape importante, annoncée jeudi, augmente la capacité de portance de 30 % pour les futures missions sur Mars.

Les tests ont eu lieu dans une chambre simulant la fine atmosphère de Mars, où les extrémités des pales ont atteint Mach 1,08. Les ingénieurs du JPL et d'AeroVironment ont utilisé des conceptions à deux et trois pales, ces dernières correspondant à la configuration prévue pour la mission SkyFall. Un ventilateur à l'intérieur de la chambre a simulé des vents contraires à mesure que la vitesse augmentait, et l'équipe a observé les résultats depuis une salle de contrôle voisine.

Articles connexes

Orion spacecraft from Artemis 2 reentering Earth's atmosphere in fiery plasma glow, with inset of astronauts preparing for splashdown.
Image générée par IA

Artemis 2 astronauts begin Earth reentry

Rapporté par l'IA Image générée par IA

Orion spacecraft from Artemis 2 mission has completed its final maneuver before atmospheric reentry, the most critical phase of the journey. Astronauts Reid Wiseman, Victor Glover, Christina Koch, and Jeremy Hansen face a 13-minute descent at over 40,000 km/h and temperatures above 2,500 degrees, with splashdown planned off San Diego.

NASA's X-59 reaches speed and altitude milestones

NASA's X-59 research plane has completed a key test flight at Mach 1.4 and 55,000 feet. The milestone brings it closer to future community overflights as part of the Quesst mission.

Tiny metajets could steer light sails for interstellar travel

Rapporté par l'IA

Researchers have developed minuscule devices that use light to control movement in multiple directions, advancing the potential for light-powered spacecraft. The metajets, made from silicon, were tested in a lab setting and showed promising results for steering large sails through space. This breakthrough could help overcome current limitations in directing such vessels over vast distances.

Europe

Artemis 2 launches successfully from Kennedy Space Center

Technology

Nasa shares psyche spacecraft photos from mars flyby

Science

NASA’s Psyche spacecraft captures Mars images during flyby

Chinese researchers achieve breakthrough in space solar power technology

Chinese researchers have successfully tested a system capable of beaming energy to multiple moving targets at once, marking another step toward an orbiting power station.

NASA's Psyche spacecraft set for close Mars flyby

Rapporté par l'IA

NASA's Psyche spacecraft is scheduled to pass within 2,800 miles of Mars on May 15 to gain a gravitational boost toward its target asteroid. The maneuver will increase the probe's speed while allowing tests of its scientific instruments.

Perseverance rover reaches marathon distance on Mars

NASA's Perseverance rover has traveled more than 26.2 miles on Mars, completing the equivalent of a marathon in five years. The milestone was reached on June 14 while the rover explored terrain west of Jezero Crater.

NASA starts training with Blue Origin moon lander prototype

Rapporté par l'IA

NASA has received a full-scale prototype of Blue Origin's Mark 2 crew cabin and will soon begin astronaut training exercises. The development supports the agency's goal of returning humans to the lunar surface in 2028.

samedi 20 juin 2026 10h12

NASA tests ERNEST rover prototype for enhanced mobility

vendredi 19 juin 2026 01h44

Chinese Academy of Sciences starts low-altitude hypersonic flight research

samedi 13 juin 2026 17h09

South Korea suspends Miron helicopter flights over engine defects

mardi 26 mai 2026 22h44

Nasa psyche spacecraft completes mars flyby for speed boost

lundi 25 mai 2026 15h20

Marine attack helicopter development nears completion

samedi 23 mai 2026 02h27

SpaceX achieves mostly successful first Starship V3 flight

lundi 18 mai 2026 17h24

SpaceX readies Starship V3 for test flight after seven-month hiatus

samedi 16 mai 2026 04h20

NASA's Psyche spacecraft gets gravity assist from Mars

vendredi 15 mai 2026 18h19

SpaceX readies upgraded starship version 3 for may launch

lundi 06 avril 2026 04h41

NASA seeks to accelerate lunar landers for 2028 Artemis landing

 

 

 

Ce site utilise des cookies

Nous utilisons des cookies pour l'analyse afin d'améliorer notre site. Lisez notre politique de confidentialité pour plus d'informations.
Refuser