Simulation of High +Gz Onset in the Dynamic Environment Simulator.
Abstract
This report documents a unique approach of coupling the cab-axis degree of freedom to the main arm motion of the Air Force Aerospace Medical Research Laboratory human centrifuge, or DES (Dynamic Environment Simulator). This technique of simulating high +Gz/sec to 2.875 Gz/sec were investigated and eleven subjects completed the study. Peripheral light loss (PLL), a precursor to loss of consciousness, was recorded in all eleven subjects using this technique. Three G-tolerance scenarios were investigated; relaxed subject/no anti-G suit inflation, relaxed subject/anti-G suit inflation and straining subject/anti-G suit inflation. A semi-circular light bar was used in the DES cab to monitor peripheral light loss of subjects. The PLL results compare favorably with similar results in the NADC centrifuge where subjects faced tangentially and were subjected to +Gz only rather than +Gx and then +GZ as in this experiment. These results give a strong indication that this technique can be used to stimulate high + Gz onset in the evaluation of anti G-valves, suits and straining maneuvers.
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 01, 1985
- Accession Number
- ADA155963
Entities
People
- D. Ratino
- J. Frazier
- M. Roark
- T. Jennings
- W. B. Albery
Organizations
- Air Force Research Laboratory