NASA Innovative Advanced Concepts (NIAC) Phase I Award
Funding: up to $125,000
Study Period: 9 months
Kilometer-Scale Space Structures from a Single Launch
Carnegie Mellon University
Long-duration spaceflight poses serious challenges for the human body, including muscle atrophy, bone loss, eyesight degradation, and immunosuppression. Many of these effects are linked to a lack of gravity. Generating artificial gravity inside rotating space habitats has been a dream of science fiction since the earliest pioneers of astronautics.
However, rotating to produce artificial gravity poses a serious challenge; Humans experience discomfort and motion sickness when exposed to rotation rates greater than a few RPM. To produce artificial gravity near 1g at rotation rates of 1-2 RPM, a kilometer-scale structure is needed. To address this challenge, we will leverage recent advances in mechanical metamaterials to design lightweight deployable structures with unprecedented expansion ratios of 150x or more.
Such a structure could be launched inside a single Falcon Heavy rocket fairing and then be deployed autonomously to a final size of a kilometer or more on orbit without requiring complex on-orbit assembly or fabrication. Our study will analyze a mission concept analogous to the Lunar Gateway, in which a kilometer-scale deployable structure forms the backbone of a large rotating space station.
The NASA Innovative Advanced Concepts (NIAC) Program nurtures visionary ideas that could transform future NASA missions with the creation of breakthroughs — radically better or entirely new aerospace concepts — while engaging America’s innovators and entrepreneurs as partners in the journey.
The program seeks innovations from diverse and non-traditional sources and NIAC projects study innovative, technically credible, advanced concepts that could one day “change the possible” in aerospace. If you’re interested in submitting a proposal to NIAC, please see our “Apply to NIAC” link (https://www.nasa.gov/content/apply-to-niac) for information about the status of our current NASA Research Announcement (NRA). For descriptions of current NIAC projects, please refer to our ”NIAC Studies” link (https://www.nasa.gov/directorates/spacetech/niac/NIAC_funded_studies.html).
To find out more, see nasa.gov/niac or contact us at firstname.lastname@example.org.