Low-boom technologies gain ground with improved measurement tools and more research
Several low-boom technologies were brought closer to readiness this year. Building on its Cart3D computational fluid dynamics solver, researchers at NASA's Ames Research Center in California demonstrated from January to April a fully integrated method for adjoint-based sonic boom minimization v...
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| Veröffentlicht in: | Aerospace America 2021-12, Vol.59 (10), p.77 |
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| creator | Page, Juliet Carrier, Gérald |
| description | Several low-boom technologies were brought closer to readiness this year. Building on its Cart3D computational fluid dynamics solver, researchers at NASA's Ames Research Center in California demonstrated from January to April a fully integrated method for adjoint-based sonic boom minimization via trimmed control surface deflections that included geometry modeling, near-field aerodynamics, far-field propagation and ground-level loudness metrics. From November 2020 to May, researchers at the Japan Aerospace Exploration Agency developed and validated a computationally efficient space marching method with molecular vibrational relaxation using a fast full-field simulation of sonic boom through a stratified atmosphere. These technology maturation advancements provide important tools enabling new and improved low-boom aircraft designs. |
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| ispartof | Aerospace America, 2021-12, Vol.59 (10), p.77 |
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| language | eng |
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| source | Elektronische Zeitschriftenbibliothek - Frei zugängliche E-Journals |
| subjects | Aerodynamics Aerospace engineering Aerospace industry Aircraft design Atmospheric models Computational fluid dynamics Control surfaces Far fields Fluid dynamics Japanese space program Loudness R&D Research & development Research facilities Sonic booms Space exploration |
| title | Low-boom technologies gain ground with improved measurement tools and more research |
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