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Space Vehicle Water Touchdown with Retro-Thrust
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English
Abstract
If a recoverable vehicle is to land in water, retro-thrust jets have secondary effects that must be considered. “Ground effect” or return flow of the jets from water surface back to vehicle is important. A cavity in the water surface is formed by the jets and has a significant effect on vehicle acceleration and surface pressure at impact. This paper presents a method developed for performing the calculations concerning water impact. The method allows for a cavity in the water surface, but is not limited to this condition.
Authors
Citation
King, K., "Space Vehicle Water Touchdown with Retro-Thrust," SAE Technical Paper 630381, 1963, https://doi.org/10.4271/630381.Also In
References
- Mathiew, F. “Contribution to the Study on the Action of a Gas Jet on the Free Surface of a Liquid,” 9th Series XVI 7 309 321 1960
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- McGehee, John R. “Water Landing Characteristics of a Re-entry Capsule,” NASA
- “A Study of Post-Nova Launch Vehicles -- Intermediate Report No. 3,” Marshall George C. Space Flight Center
- Bisplinghoff R. L. Doherty, C. S. “A Two Dimensioned Study of the Impact of a Wedge on a Water Surface,” MIT Study
- King, K. M. “Water Impact Analysis,” General Dynamics/Astronautics