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Since 2012, the Spacecraft Fire Experiment (Saffire) has been under development by the Spacecraft Fire Safety Demonstration (SFS Demo) project that is funded by NASA's Advanced Exploration Systems Division in the Human Exploration and Operations Mission Directorate. The overall objective of this project is to reduce the uncertainty and risk associated with the design of spacecraft fire safety systems for NASA's exploration missions. This is accomplished by defining, developing, and conducting experiments that address gaps in spacecraft fire safety knowledge and capabilities identified by NASA's Fire Safety System Maturation Team. This paper describes the three Spacecraft Fire Experiments (Saffire-I, -II, and -III) that were developed at NASA-GRC and that will conduct a series of material flammability tests in low-gravity and at length scales that are realistic for a spacecraft fire. The experiments will be conducted in Orbital ATK's Cygnus vehicle after it has unberthed from the International Space Station. The tests will be fully automated with the data downlinked at the conclusion of the test and before the Cygnus vehicle reenters the atmosphere. The objectives of these experiments are to (1) determine how rapidly a large scale fire grows in low-gravity and (2) investigate the low-g flammability limits compared to those obtained in NASA's normal gravity material flammability screening test. The hardware for these experiments has been completed and is awaiting their respective launches, all planned for 2016. This paper will review the objectives of these experiments and how they address several of the knowledge gaps for NASA's exploration missions. The hardware development will be discussed including several novel approaches that were taken for testing and evaluation of these series payloads. The status of the missions and operational status will also be presented.

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NASA Technical Reports Server (NTRS)  

Autor(es)

Ruff, Gary A. -  Schoren, William -  Urban, David L. - 

Id.: 69714107

Versión: 1.0

Estado: Final

Tipo:  application/pdf - 

Palabras claveSpace Transportation and Safety - 

Cobertura:  Unclassified, Unlimited, Publicly available - 

Tipo de recurso: GRC-E-DAA-TN32222  -  International Association for the Advancement of Space Safety Conference (IAASS) 2016; 18-20 May 2016; Melbourne, FL; United States  - 

Tipo de Interactividad: Expositivo

Nivel de Interactividad: muy bajo

Audiencia: Estudiante  -  Profesor  -  Autor  - 

Estructura: Atomic

Coste: no

Copyright: sí

: No Copyright

Formatos:  application/pdf - 

Requerimientos técnicos:  Browser: Any - 

Relación: [IsBasedOn] CASI

Fecha de contribución: 12-mar-2017

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Localización:

Otros recursos del mismo autor(es)

  1. Operation and Development Status of the Spacecraft Fire Experiment (Saffire) No abstract available
  2. Fire Detection Tradeoffs as a Function of Vehicle Parameters Fire survivability depends on the detection of and response to a fire before it has produced an unac...
  3. Spacecraft Fire Safety Demonstration A presentation of the Saffire Experiment goals and scientific objectives for the Joint CSA/ESA/JAXA/...
  4. Operation and Development Status of the Spacecraft Fire Experiments (Saffire) Since 2012, a series of Spacecraft Fire Experiments (Saffire) have been under development by the Spa...
  5. Design Considerations for Spacecraft Operations During Uncrewed Dormant Phases of Human Exploration Missions NASA is transforming human spaceflight. The Agency is shifting from an exploration-based program wit...

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