A primary (or portable or personal) life support system (or subsystem) (PLSS), is a device connected to an astronaut or cosmonaut's spacesuit, which allows extra-vehicular activity with maximum freedom, independent of a spacecraft's life support system. A PLSS is generally worn like a backpack. The functions performed by the PLSS include: The air handling function of a PLSS is similar to that of a diving rebreather, in that exhaled gases are recycled into the breathing gas in a closed loop.
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| - Primary Life Support System (in)
- Primary Life Support System (fr)
- Primary Life Support System (it)
- Primary life support system (en)
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| - Primary (atau portabel atau pribadi) Life Support System (atau/Subsystem) (PLSS), adalah perangkat yang terhubung ke astronaut atau kosmonaut ruang angkasa, yang memungkinkan kegiatan ekstra-kendaraan dengan kebebasan maksimal, terlepas dari sistem pendukung kehidupan pesawat ruang angkasa. PLSS umumnya dipakai seperti ransel. (in)
- Il Primary (o Portable) Life Support System, o PLSS, è lo zaino della tuta spaziale e riproduce in scala ridotta il sistema di supporto vitale del veicolo spaziale. Tra le funzioni cui assolve il PLSS vi sono:
* regolare la pressurizzazione della tuta
* fornire ossigeno per la respirazione
* smaltire l'anidride carbonica, l'umidità e le polveri presenti nell'aria
* raffreddare il liquido dell'LCVG
* monitorare ogni parametro della tuta (it)
- A primary (or portable or personal) life support system (or subsystem) (PLSS), is a device connected to an astronaut or cosmonaut's spacesuit, which allows extra-vehicular activity with maximum freedom, independent of a spacecraft's life support system. A PLSS is generally worn like a backpack. The functions performed by the PLSS include: The air handling function of a PLSS is similar to that of a diving rebreather, in that exhaled gases are recycled into the breathing gas in a closed loop. (en)
- En astronautique, le Primary Life Support System (de l'anglais signifiant littéralement « système primaire de survie »), couramment abrégé par le sigle PLSS, est un ensemble d'équipements chargés de maintenir en vie les astronautes durant leurs sorties extravéhiculaires. Ces équipements sont regroupés de manière compacte dans un ensemble porté en sac à dos de la combinaison spatiale. Le PLSS remplit les fonctions suivantes :
* Portail de l’astronautique (fr)
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| - En astronautique, le Primary Life Support System (de l'anglais signifiant littéralement « système primaire de survie »), couramment abrégé par le sigle PLSS, est un ensemble d'équipements chargés de maintenir en vie les astronautes durant leurs sorties extravéhiculaires. Ces équipements sont regroupés de manière compacte dans un ensemble porté en sac à dos de la combinaison spatiale. Le PLSS remplit les fonctions suivantes :
* Il maintient la pression de la combinaison dans le vide.
* Il fournit le dioxygène nécessaire à la respiration.
* Il absorbe le dioxyde de carbone, l'humidité, les odeurs.
* Il maintient la température de la combinaison grâce à un circuit de refroidissement utilisant de l'eau.
* Il mesure et restitue les principaux paramètres concernant ses fonctions.
* Il fournit des moyens de communication à l'astronaute. Essayé pour la première fois dans l'espace le 6 mars 1969 par l'astronaute Russell Schweickart lors d'une activité extravéhiculaire, il est utilisé sur la Lune de juillet 1969 à décembre 1972 par les douze hommes ayant marché sur la Lune.
* Portail de l’astronautique (fr)
- A primary (or portable or personal) life support system (or subsystem) (PLSS), is a device connected to an astronaut or cosmonaut's spacesuit, which allows extra-vehicular activity with maximum freedom, independent of a spacecraft's life support system. A PLSS is generally worn like a backpack. The functions performed by the PLSS include:
* Regulating suit pressure
* Providing breathable oxygen
* Removing carbon dioxide, humidity, odors, and contaminants from breathing oxygen
* Cooling and recirculating oxygen through the pressure garment, and water through a Liquid Cooling and Ventilation Garment or Liquid Cooling Garment.
* Two-way voice communication
* Display or telemetry of suit health parameters
* Telemetry of an indicator of the wearer's immediate health (e.g. heart rate) The air handling function of a PLSS is similar to that of a diving rebreather, in that exhaled gases are recycled into the breathing gas in a closed loop. When used in a microgravity environment, a separate propulsion system is generally needed for safety and control, since there is no physical connection to a spacecraft. (en)
- Primary (atau portabel atau pribadi) Life Support System (atau/Subsystem) (PLSS), adalah perangkat yang terhubung ke astronaut atau kosmonaut ruang angkasa, yang memungkinkan kegiatan ekstra-kendaraan dengan kebebasan maksimal, terlepas dari sistem pendukung kehidupan pesawat ruang angkasa. PLSS umumnya dipakai seperti ransel. (in)
- Il Primary (o Portable) Life Support System, o PLSS, è lo zaino della tuta spaziale e riproduce in scala ridotta il sistema di supporto vitale del veicolo spaziale. Tra le funzioni cui assolve il PLSS vi sono:
* regolare la pressurizzazione della tuta
* fornire ossigeno per la respirazione
* smaltire l'anidride carbonica, l'umidità e le polveri presenti nell'aria
* raffreddare il liquido dell'LCVG
* monitorare ogni parametro della tuta (it)
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