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Control of Cabin Pressure Venting and Emergency Relief for the International Space Station
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English
Abstract
A cabin pressure vent and emergency relief valve subassembly (VRV) was developed for Boeing Defense and Space as part of the International Space Station. Functional enhancements were made for Mitsubishi Heavy Industries, Ltd., to meet the unique requirements of the Japanese Experiment Module.
The VRV provides nine distinct functions or features, including redundant closure elements, de-berthing capability, maximized resistance to ice collection during cabin depressurization, electronic flow modulation, and manual operation capabilities. It is designed as an orbital replacement unit with a 10-year on-orbit lifetime.
This paper provides an overview of the multiple system requirements, the principles involved, and concept validation tests which drove the final design to meet the challenging requirements of a 10-year operational valve with exceptional leakage control.
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Citation
Gage, L., "Control of Cabin Pressure Venting and Emergency Relief for the International Space Station," SAE Technical Paper 981623, 1998, https://doi.org/10.4271/981623.Also In
References
- Fourquet Helene Carpentier Pierre Rolland Andre Martin Claude Pickup Helen Rose Susan SAE Technical Paper 972409, 27th International Conference on Environmental Systems July 14-17 1997
- Guyaux James R. Remote Manual Operator for Space Station Intermodule Ventilation Valve NASA Conference Publication 3328, 30th Aerospace Mechanisms Symposium May 1996