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 by Staff Writers Los Angeles CA (SPX) Oct 14, 2019
Aerojet Rocketdyne has entered into a Space Act Agreement with NASA's Marshall Space Flight Center to design and manufacture a lightweight rocket engine thrust chamber assembly using innovative additive manufacturing processes and materials. The goal of the project is to reduce manufacturing costs and make a thrust chamber that is easily scalable to support a variety of missions, including America's return to the Moon and subsequent missions to explore Mars. Aerojet Rocketdyne will use a unique combination of 3D printing technologies - including solid state deposition and laser deposition - to enable rapid fabrication of complex components. The vertical integration of these robotic additive manufacturing techniques is expected to yield a scalable design that could be applied to propulsion systems ranging from small systems that would support a lunar lander, all the way up to large boosters that enable launch vehicles to escape Earth's gravity. "As we look to the future of space exploration, efficiency and scalability will be key, which is why we are excited to work with NASA on this innovative thrust chamber for rocket engines," said Aerojet Rocketdyne CEO and President Eileen Drake. "The technology we develop will leverage the most advanced additive manufacturing techniques and materials to help provide efficient and safe transportation to and through space." The effort is being facilitated by NASA's Space Technology Mission Directorate through its Announcement of Collaborative Opportunity (ACO) initiative, which aims to reduce the development cost of technologies and accelerate the infusion of emerging commercial capabilities into space missions.
SwRI hypersonic research spotlights future flight challenges San Antonio TX (SPX) Oct 10, 2019 Southwest Research Institute engineers are advancing what researchers know about hypersonic flight. A new study presented at the 2019 Joint Army-Navy-NASA-Air Force (JANNAF) Propulsion Meeting describes a series of tests conducted at SwRI's San Antonio headquarters that elucidate the conditions a future aircraft may experience traveling faster than 10 times the speed of sound. "Hypersonic speed is defined as faster than five times the speed of sound or greater than Mach 5. When something is flying ... read more
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