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  • 1
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    Space Suits and Crew Survival Systems Branch Education and Public Outreach Support of NASA's Strategic Goals in Fiscal Year 2012 (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: As NASA plans to send people beyond low Earth orbit, it is important to educate and inspire the next generation of astronauts, engineers, scientist, and general public. This is so important to NASA future that it is one of the agencies strategic goals. The Space Suits and Crew Survival Systems Branch at Johnson Space Center (JSC) is actively involved in helping to achieve this goal by sharing our hardware and technical experts with students, educators, and the general public and educating them about the challenges of human space flight, with Education and Public Outreach (EPO). This paper summarizes the Space Suit and Crew Survival Systems Branch EPO efforts throughout fiscal year 2012.
    Keywords: Man/System Technology and Life Support
    Type: JSC-CN-27303 , 43rd International Conference on Environmental Systems; Jul 14, 2013 - Jul 18, 2013; Vail, CO; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 2
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    Results of the Trace Contaminant Control Needs Evaluation and Sizing Study for Space Suit Life Support Development (2009)
    In:  Other Sources
    Details
    Publication Date: 2019-07-19
    Description: The Trace Contaminant Control System (TCCS), located within the ventilation loop of the Portable Life Support System (PLSS) of the Constellation Space Suit Element (CSSE), is responsible for removing hazardous trace contaminants from the space suit ventilation flow. This paper summarizes the results of a trade study that evaluated if trace contaminant control could be accomplished without a TCCS, relying on suit leakage, ullage loss from the carbon dioxide and humidity control system, and other factors. Trace contaminant generation rates were revisited to verify that values reflect the latest designs for CSSE pressure garment materials and PLSS hardware. Additionally, TCCS sizing calculations were performed and a literature survey was conducted to review the latest developments in trace contaminant technologies.
    Keywords: Man/System Technology and Life Support
    Type: JSC-CN-19039 , 40th International Conference on Environmental Systems; Jul 11, 2010 - Jul 15, 2010; Reston, Virginia; United States
    Format: text
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    NASA TECHNICAL REPORTS
  • 3
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    Requirements and Sizing Investigation for the Constellation Space Suit Portable Life Support System Trace Contaminant Control (2010)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: This presentation summarized the results of a trade study that evaluated whether trace contaminant control within the Constellation Spacesuit PLSS could be achieved without a Trace Contaminant Control System (TCCS) by relying on suit leakage, ullage loss from the carbon dioxide and humidity control system, and other factors. Mallory Jennings and Dr. Glenn Waguespack studied trace contaminant generation rates to verify that values reflected the latest designs for Constellation spacesuit system pressure garment materials and PLSS hardware. They also calculated TCCS sizing and conducted a literature survey to review the latest developments in trace contaminant technologies.
    Keywords: Man/System Technology and Life Support
    Type: JSC-CN-29692 , JSC Engineering Academy; Sep 08, 2010; Houtson, TX; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 4
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    Crew and Thermal Systems Strategic Communications Initiatives in Support of NASA's Strategic Goals (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA has defined strategic goals to invest in next-generation technologies and innovations, inspire students to become the future leaders of space exploration, and expand partnerships with industry and academia around the world. The Crew and Thermal Systems Division (CTSD) at the NASA Johnson Space Center actively supports these NASA initiatives. In July 2011, CTSD created a strategic communications team to communicate CTSD capabilities, technologies, and personnel to external technical audiences for business development and collaborative initiatives, and to students, educators, and the general public for education and public outreach efforts. This paper summarizes the CTSD Strategic Communications efforts and metrics through the first half of fiscal year 2012 with projections for end of fiscal year data.
    Keywords: Administration and Management
    Type: JSC-CN-25582 , AIAA SPACE 2012 Conference and Exposition; Sep 11, 2012 - Sep 13, 2012; Pasadena, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 5
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    Space Suits and Crew Survival Systems Branch Education and Public Outreach Support of NASA's Strategic Goals in Fiscal Year 2012 (2013)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: As NASA plans to send people beyond low Earth orbit, it is important to educate and inspire the next generation of astronauts, engineers, scientists, and the general public. This is so important to NASA s future that it is one of the agency s strategic goals. The Space Suits and Crew Survival Systems Branch at Johnson Space Center (JSC) is actively involved in achieving this goal by sharing our hardware and technical experts with students, educators, and the general public and educating them about the challenges of human space flight, with Education and Public Outreach (EPO). This paper summarizes the Space Suit and Crew Survival Systems Branch EPO efforts throughout fiscal year 2012.
    Keywords: Space Sciences (General)
    Type: JSC-CN-28262 , International Conference on Environmental Systems; Jul 14, 2013 - Jul 18, 2013; Vail, CO; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 6
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    Performance and Life Tests of a Regenerative Blower for EVA Suit Ventilation (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Ventilation fans for future space suits must meet demanding performance specifications, satisfy stringent safety requirements for operation in an oxygen atmosphere, and be able to increase output to operate in buddy mode. A regenerative blower is an attractive choice due to its ability to meet these requirements at low operating speed. This paper describes progress in the development and testing of a regenerative blower designed to meet requirements for ventilation subsystems in future space suits. The blower includes a custom-designed motor that has significantly improved its efficiency. We have measured the blower s head/flow performance and power consumption under conditions that simulate both the normal and buddy mode operating points. We have operated the blower for TBD hours and demonstrated safe operation in an oxygen test loop at prototypical pressures. We also demonstrated operation with simulated lunar dust.
    Keywords: Space Sciences (General)
    Type: JSC-CN-25982 , AIAA 42nd International Conference on Environmental Sytems; Jul 15, 2012 - Jul 19, 2012; San Diego, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 7
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    Extravehicular Activity Systems Education and Public Outreach in Support of NASA's STEM Initiatives in Fiscal Year 2011 (2012)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: NASA's goals to send humans beyond low Earth orbit will involve the need for a strong engineering workforce. Research indicates that student interest in science, technology, engineering, and math (STEM) areas is on the decline. According to the Department of Education, the United States President has mandated that 100,000 educators be trained in STEM over the next decade to reduce this trend. NASA has aligned its Education and Public Outreach (EPO) initiatives to include emphasis in promoting STEM. The Extravehicular Activity (EVA) Systems Project Office at the NASA Johnson Space Center actively supports this NASA initiative by providing subject matter experts and hands-on, interactive presentations to educate students, educators, and the general public about the design challenges encountered as NASA develops EVA hardware for exploration missions. This paper summarizes the EVA Systems EPO efforts and metrics from fiscal year 2011.
    Keywords: Social and Information Sciences (General)
    Type: JSC-CN-26003 , 42nd International Conference on Environmental Systems (ICES2012); Jul 15, 2012 - Jul 19, 2012; San Diego, CA; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 8
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    Redesign of the Extravehicular Mobility Unit Airlock Cooling Loop Recovery Assembly (2016)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: During EVA (Extravehicular Activity) 23 aboard the ISS (International Space Station) on 07/16/2013 an episode of water in the EMU (Extravehicular Mobility Unit) helmet occurred, necessitating a termination of the EVA (Extravehicular Activity) shortly after it began. The root cause of the failure was determined to be ground-processing short-comings of the ALCLR (Airlock Cooling Loop Recovery) Ion Beds which led to various levels of contaminants being introduced into the Ion Beds before they left the ground. The Ion Beds were thereafter used to scrub the failed EMU cooling water loop on-orbit during routine scrubbing operations. The root cause investigation identified several areas for improvement of the ALCLR Assembly which have since been initiated. Enhanced washing techniques for the ALCLR Ion Bed have been developed and implemented. On-orbit cooling water conductivity and pH analysis capability to allow the astronauts to monitor proper operation of the ALCLR Ion Bed during scrubbing operation is being investigation. A simplified means to acquire on-orbit EMU cooling water samples have been designed. Finally, an inherently cleaner organic adsorbent to replace the current lignite-based activated carbon, and a non-separable replacement for the separable mixed ion exchange resin are undergoing evaluation. These efforts are undertaken to enhance the performance and reduce the risk associated with operations to ensure the long-term health of the EMU cooling water circuit.
    Keywords: Spacecraft Design, Testing and Performance; Quality Assurance and Reliability
    Type: JSC-CN-34822 , International Conference on Environmental Systems; Jul 10, 2016 - Jul 14, 2016; Vienna; Austria
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 9
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    Extravehicular Activity Systems Education and Public Outreach in Support of NASA's STEM Initiatives in Fiscal Year 2011 (2011)
    In:  CASI
    Details
    Publication Date: 2019-07-19
    Description: NASA's goals to send humans beyond low Earth orbit will involve the need for a strong engineering workforce. Research indicates that student interest in science, technology, engineering, and math (STEM) areas is on the decline. According to the Department of Education, the United States President has mandated that 100,000 educators be trained in STEM over the next decade to reduce this trend. NASA has aligned its Education and Public Outreach (EPO) initiatives to include emphasis in promoting STEM. The Extravehicular Activity (EVA) Systems Project Office at the NASA Johnson Space Center actively supports this NASA initiative by providing subject matter experts and hands-on, interactive presentations to educate students, educators, and the general public about the design challenges encountered as NASA develops EVA hardware for exploration missions. This paper summarizes the EVA Systems EPO efforts and metrics from fiscal year 2011.
    Keywords: Space Sciences (General)
    Type: JSC-CN-25030 , 42nd International Conference on Environmental Systems (ICES); Jul 15, 2012 - Jul 19, 2012; San Diego, CA; United States
    Format: application/pdf
    Location Call Number Expected Availability
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    NASA TECHNICAL REPORTS
  • 10
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    Results of the Trace Contaminant Control Trade Study for Space Suit Life Support Development (2008)
    In:  Other Sources
    Details
    Publication Date: 2019-07-19
    Description: As the United States plans to return astronauts to the moon, designing the most effective and efficient life support systems is of extreme importance. The trace contaminant control system (TCCS) will be located within the Portable Life Support System (PLSS) of the Constellation Space Suit Element (CSSE), and is responsible for removing contaminants, which at increased levels can be hazardous to a crewmember s health. These contaminants come from several sources including metabolic production of the crewmember (breathing, sweating, etc.) and offgassing of the space suit material layers. This paper summarizes the results of a trade study that investigated TCC technologies used in NASA space suits and vehicles as well as commercial and academic applications, to identify the best technology options for the CSSE PLSS. The trade study also looked at the feasibility of regeneration of TCC technologies, specifically to determine the viability of vacuum regeneration for on-back, realtime EVA.
    Keywords: Man/System Technology and Life Support
    Type: 39th International Conference on Environmental Systems; Jul 12, 2009 - Jul 16, 2009; Georgia; United States
    Format: text
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    NASA TECHNICAL REPORTS
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