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Extravehicular Mobility Unit (EMU)/International Space Station (ISS) Coolant Loop Failure and Recovery
Technical Paper
2006-01-2240
ISSN: 0148-7191, e-ISSN: 2688-3627
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Language:
English
Abstract
Following the Colombia accident, the Extravehicular Mobility Units (EMU) onboard ISS were unused for several months. Upon startup, the units experienced a failure in the coolant system. This failure resulted in the loss of Extravehicular Activity (EVA) capability from the US segment of ISS. With limited on-orbit evidence, a team of chemists, engineers, metallurgists, and microbiologists were able to identify the cause of the failure and develop recovery hardware and procedures. As a result of this work, the ISS crew regained the capability to perform EVAs from the US segment of the ISS Figure 1.
Topic
Citation
Lewis, J., Cole, H., Cronin, G., Gazda, D. et al., "Extravehicular Mobility Unit (EMU)/International Space Station (ISS) Coolant Loop Failure and Recovery," SAE Technical Paper 2006-01-2240, 2006, https://doi.org/10.4271/2006-01-2240.Also In
References
- Steele, J. W. 08/12/04 “EMU 3013 Gas Trap S/N 045 Evaluation” Hamilton Sundstrand Document SMVE: 5564
- Varsik, J. et al 08/06/04 “Corrosion Evaluation of Ni-201 and BNi-2 and BNi-3 Braze Alloys in IATCS Coolant and Deionized Water” Hamilton Sundstrand Draft Submitted to Boeing, Houston
- NASA International Space Station Medical Operations Requirements Document (ISS MORD), Revision B 2003
- Peterson, Laurie Neumeyer Derek “Design and Certification of the Extravehicular Activity Mobility Unit (EMU) Water Processing Jumper” ICES Paper 2006-01-2096