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Discussione: Moduli Bigalow

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    Predefinito Moduli Bigalow

    NASA astronaut to enter human-habitat ready module in space

    The Expandable Module test is designed to study potential challenges and benefits of 'expandable-module' habitats for deep space exploration and commercial low-Earth orbit applications.

    A NASA astronaut will be the first human to enter a human-rated expandable module deployed in space to investigate the potential challenges and benefits of such habitats for deep space exploration and commercial low-Earth orbit applications.
    Jeff Williams’ entry on Monday will mark the beginning of a two-year data collection process. He will take an air sample, place caps on the now closed ascent vent valves, install ducting to assist in Bigelow Expandable Activity Module (BEAM’s) air circulation, retrieve deployment data sensors and manually open the tanks used for pressurisation to ensure all of the air has been released, a NASA statement said.
    Jeff will then install sensors over the following two days that will be used for the project’s primary task of gathering data on how an expandable habitat performs in the thermal environment of space, and how it reacts to radiation, micrometeoroids and orbital debris.


    During BEAM’s test period, the module typically will be closed off to the rest of the space station. Astronauts will enter the module three to four times each year to collect temperature, pressure and radiation data, and to assess its structural condition, NASA said.
    After two years of monitoring, the current plan is to jettison the BEAM from the space station to burn up on re-entry into Earth’s atmosphere.
    Expandable habitats are designed to take up less room when being launched but provide greater volume for living and working in space once expanded, NASA said.
    This first test of an expandable module will allow scientists to gauge how well the habitat performs and specifically, how well it protects against solar radiation, space debris and the temperature extremes of space.
    Launched on April 8 aboard a SpaceX Dragon cargo spacecraft from Cape Canaveral Air Force Station in Florida, the BEAM was attached to the International Space Station’s Tranquility module about a week later, NASA said.

    NASA astronaut to enter human-habitat ready module in space | The Indian Express
    Globalizzazione..... si grazie.

  2. #2
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    Predefinito Re: Moduli Bigalow

    Welcome to your new, inflatable room, astronauts!
    Yesterday (June 6), astronauts on the International Space Station opened the hatch and entered the Bigelow Expandable Activity Module (BEAM) for the first time. This is the first expandable room to be occupied by astronauts in orbit, and new images provide a glimpse inside this futuristic, inflatable space habitat.
    [IMG]http://www.space.com/images/i/000/056/034/original/williams-beam.jpg?1465334350?interpolation=lanczos-none&downsize=*:1400[/IMG][IMG]http://www.space.com/images/i/000/056/034/original/williams-beam.jpg?1465334350?interpolation=lanczos-none&downsize=*:1400[/IMG]






    NASA astronaut Jeff Williams is shown here in the Bigelow Expandable Activity Module (BEAM) on June 6, 2016 (the picture was taken from outside the BEAM hatch). Astronauts will not occupy BEAM full time, but will periodically enter the habitat to collect data and check the status of the module.
    Credit: NASA TVAstronaut Jeff Williams and cosmonaut Oleg Skripochka entered the habitat around 5 a.m. EDT (0900 GMT) yesterday. The module isn't designed to host humans full time, so it appears mostly empty except for support hardware (like air tanks). However, the International Space Station is effectively a series of trailers strung together and shared by up to 13 people, so the empty space available in BEAM may have been a gorgeous sight for Williams and Skripochka.
    BEAM measures 13 feet long by 10.5 feet wide (4 meters by 3.2 m) and provides 565 cubic feet (16 cubic m) of internal volume.
    From certain angles, the interior walls of BEAM look black, but a shot from inside the room shows that they are actually reflective, with (what look like) black stripes running lengthwise. Upon entering BEAM, Williams told mission control that the habitat "looked pristine and that it was cold inside, but there was no evidence of condensation on any surfaces," according to an agency representative speaking on NASA TV.


    Astronauts will enter the habitat periodically to collect data from multiple sensors that monitor BEAM's status and performance. On Monday, Williams and Skripochka collected an air sample, installed air ducts and began downloading data collected during the expansion of the new room.
    "Over the next two days they have a few more … opportunities to enter BEAM and to deploy other sensors and equipment inside," the NASA representative said. The crewmembers are scheduled to enter BEAM today and tomorrow (June 7 and 8), the representative said, adding that after each crew entry, the BEAM hatch will be closed. There is no schedule for crew entries into BEAM after Wednesday, according to the representative, but NASA anticipates six to seven crew entries per year.
    BEAM was attached to the station on April 16 and inflated to its full size on May 28. This is the first time humans have occupied an expandable habitat in space, even though Bigelow (a private company) has tested its modules in orbit before.
    BEAM will stay attached to the station for two years, after which it will be jettisoned into Earth's atmosphere, where it will burn up upon re-entry.
    Expandable space habitats offer certain advantages over rigid structures. Primarily, expandable habitats are lighter, and because they can be compressed, their maximum size isn't limited to the maximum size of a rocket's cargo compartment. (The larger modules on the space station went around this problem by flying directly into space on top of a rocket, instead of packing the module inside a cargo capsule). When compressed, BEAM was about 7 feet long by 8 feet wide (2.1 by 2.4 m).
    This year, Bigelow Aerospace announced plans to launch a larger expandable habitat called the B330, which would be able to orbit the Earth independently of the space station. That module is slated to launch by 2020, Bigelow Aerospace representatives have said.


    Take a Look Inside the 1st Inflatable Space Room for Astronauts (Photos)
    Globalizzazione..... si grazie.

 

 

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