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A human-powered, small radius centrifuge for space application: a design study
L J Meeker1, W M Isdahl, J W Helduser
1Crew Technology Division, Armstrong Laboratory, Brooks AFB, TX 78235-5104, USA.
Safe Journal
|January 1, 1996
Summary
Astronauts need artificial gravity to prevent deconditioning during long space missions. This study explores a human-powered centrifuge design for the Space Shuttle, analyzing forces and power needs for exercise and artificial gravity.
Area of Science:
- Space exploration
- Human physiology
- Biomedical engineering
Background:
- Physiologic deconditioning is a significant risk for astronauts on long-duration space flights.
- Artificial gravity is a potential countermeasure to mitigate these deconditioning effects.
- Centrifuges are a viable technology for generating artificial gravity.
Purpose of the Study:
- To present a design study for a human-powered centrifuge for use on the NASA Space Shuttle.
- To analyze the forces and performance parameters associated with such a centrifuge.
- To explore the feasibility of using a human-powered centrifuge for astronaut exercise and artificial gravity exposure.
Main Methods:
- Engineering design analysis of a human-powered centrifuge concept.
- Quantification of forces, including reaction forces, imbalance effects, and gyroscopic moments.
- Assessment of torque and power requirements based on performance parameters.
Main Results:
- Detailed analyses of forces generated by the human-powered centrifuge.
- Consideration of managing reaction forces, imbalance effects, and gyroscopic moments.
- Evaluation of torque and power demands relative to centrifuge performance.
Conclusions:
- A human-powered centrifuge design is feasible for Space Shuttle application.
- The design addresses key engineering challenges for artificial gravity generation.
- This concept offers a dual-purpose solution for astronaut exercise and deconditioning prevention.