• Key items: water quality specs, monitoring, hardware in helmet (HAP and Snorkel) and updated operational responses • NASA acknowledges that sublimator carry-over could result in “small” amounts of water entering helmet • EVA-80 March 2022, Matthias Maurerreports lower volume helmet water event
NTRS - NASA Technical Reports Server
2022年10月20日 · On March 23rd, 2022, during Extra-Vehicular Activity (EVA) 80 aboard the International Space Station (ISS) crew identified an 8-10-inch diameter thin film of water in the pressure bubble of the suit during repress.
Excess Water in Astronaut Helmet During EVA on ISS: Mitigations …
2023年7月16日 · Following a second crew report of excess water inexplicably accumulating in the helmet during EVA-80 on March 23, 2022, NASA initiated an aggressive effort to identify, mitigate, and/or eliminate all sources of the potentially life-threatening water.
What spacesuit helmet is this? - Space Exploration Stack Exchange
2021年8月29日 · Particularly relevant to this question is the fact that both EVA suits had a separate helmet and visor. The helmet is a clear plastic bubble that completely surrounds the head, attaching to the suit torso at the neck ring, providing an airtight seal. The visor is an assembly that slips over the helmet, protecting the eyes, face, and head from ...
Astronauts complete spacewalk for space station maintenance and ...
2022年3月23日 · Two astronauts floated outside the International Space Station Wednesday and installed refurbished ammonia jumpers in the lab’s cooling system to bring it back up to full efficiency, replaced a...
ISS US EVA-80 - forum.nasaspaceflight.com
2022年3月23日 · Astronauts carry out maintenance of the station's thermoregulation system, camera replacement, and other routine maintenance work on the ISS . "Matthias, it looks like your tether is tangled around...
80th U.S. EVA on ISS Completed Despite Issues - CosmoQuest
2022年3月28日 · The helmet cam is a critical piece of equipment as it allows ground control to see what the astronauts are seeing to help with any problems. With those issues resolved, the astronauts went on to complete their primary task, installing the hoses from the “Radiator Beam Valve module” to a radiator.
2002年3月7日 · A detailed CAD model of the U.S. Space Shuttle EVA Spacesuit, developed at NASA Lan-gley Research Center (LaRC), is used to represent the directional shielding of an astronaut; it has detailed hel-met and backpack structures, hard upper torso, and multilayer space suit fabric material.
(US EVA 80), water was observed in the helmet of an Extravehicular Mobility Unit (EMU) during cabin repressurization. Through a comparative analysis and Test, Teardown, and Evaluation (TT&E) of this EMU, the most likely cause of the US EVA 80 water failure was determ.
EXTRAVEHICULAR ACTIVITY (EVA) - NASA
2024年2月27日 · EVA is any activity performed by a pressure-suited crewmember in unpressurized or space environments. EVA begins with depressurization of the airlock or space module, and ends with repressurization of the space module or airlock after crewmember ingress.