Depressurization in space

  • Thread starter GTOM
  • Start date
  • #1
946
64
My first question : lets suppose that a centimeter meteor penetrated the hull of ISS.
Roughly, how much time depressurization would take?

Second, if a small meteor penetrates the spacesuit of an astronaut and wound him in space (with a small puncture like wound), any estimation how much time till he bleeds out? Would that intense blood sprinkle damage the organs as well?
 

Answers and Replies

  • #2
Doug Huffman
Gold Member
805
111
ISS is 916 m^3 at 1 atm. At what pressure is 'depressurization'? The hole geometry is the next most influential parameter. With a small enough wound, there is no need for him to bleed out at all.
 
  • #3
946
64
"At what pressure is 'depressurization'? "

Lower than the Armstrong limit 6.3 kPa.

"The hole geometry is the next most influential parameter. " I thought about a really nasty situation of an eye damage.
So a wound with a similar diameter as the eye.
 
  • #5
946
64
"human skin is tough enough to withstand the drop of one atmosphere"

Yes, but is there any info, or estimation, what happens if the skin is also damaged? Inner pressure will quickly pump the blood out of the body, is it simple intense bleeding, or somewhat worse (hydrodinamic damages etc)?
 
  • #6
946
64
ISS is 916 m^3 at 1 atm. At what pressure is 'depressurization'? The hole geometry is the next most influential parameter. With a small enough wound, there is no need for him to bleed out at all.

Can i reasonably expect, that depressurization take a few minutes?
(As pressure falls, less and less force push the air out, i guess it would be some kind of integration.)
 

Related Threads on Depressurization in space

  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
13
Views
3K
  • Last Post
3
Replies
70
Views
7K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
4
Views
601
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
8
Views
5K
  • Last Post
Replies
17
Views
4K
  • Last Post
Replies
1
Views
2K
  • Last Post
Replies
8
Views
3K
Top