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Do fat people freeze to death, slower?

Posted on 12/6/16 at 11:31 pm
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 12/6/16 at 11:31 pm
This is someting that seems obvious, in my head, but I was wondering if there was some actual science behind it.
This post was edited on 12/6/16 at 11:42 pm
Posted by djangochained
Gardere
Member since Jul 2013
19054 posts
Posted on 12/6/16 at 11:33 pm to
What's up with you and frozen shite?

Frozen liquid boy
This post was edited on 12/6/16 at 11:34 pm
Posted by StringedInstruments
Member since Oct 2013
18411 posts
Posted on 12/6/16 at 11:33 pm to
Freeze? Yes.

Die? Probably not. You don't die from turning into an ice cube. Your body shuts down or malfunctions in prolonged extreme temperatures.
Posted by Mir
Member since Sep 2016
2777 posts
Posted on 12/6/16 at 11:34 pm to
I'd imagine if so it's extremely marginal as their body will still shunt blood to protect organs when exposed to extreme cold
Posted by TigernMS12
Member since Jan 2013
5531 posts
Posted on 12/6/16 at 11:38 pm to
The laws of thermodynamics would suggest so. A greater body of heat (a larger body v. a smaller one) would take longer for it to cool due to heat transfer because of it is a greater mass of heat cooling (and thus more heat stored). This is like it takes much longer to cool a gallon of water vs. a cup of water assuming the cooling temp is the same. However, I would guess the difference is minimal. Disclaimer: I'm not expert, just taking an educated guess based on a college class I took once.
This post was edited on 12/6/16 at 11:40 pm
Posted by LakeViewLSU
Baton Rouge
Member since Jun 2009
17730 posts
Posted on 12/6/16 at 11:40 pm to
Yeah but wouldnt your organs be protected longer with a larger layer of fat?

I wouldn't think it would different than a walrus. Blubber is what protects them.
Posted by Mir
Member since Sep 2016
2777 posts
Posted on 12/6/16 at 11:42 pm to
The fat loses its protective properties because blood will be shunted away so I think maybe they do but it's not a life or death difference to be fat

If anything id think they die faster because their heart is already struggling so when core temperature drops it really hits a wall faster
Posted by TigernMS12
Member since Jan 2013
5531 posts
Posted on 12/6/16 at 11:48 pm to
quote:

If anything id think they die faster because their heart is already struggling so when core temperature drops it really hits a wall faster


Didn't think about this.
Posted by knight_ryder
XTC cabaret
Member since Jan 2015
3356 posts
Posted on 12/6/16 at 11:55 pm to
If they did, Bert would still be in Wisconsin
Posted by Lsuchs
Member since Apr 2013
8073 posts
Posted on 12/7/16 at 12:03 am to
Smaller people go hypothermic faster than larger people.

I don't know specifics on time to death once hypothermic. I'd imagine the insulation could be a negative in re warming the body, though you can avoid most of it by applying heat to the arm pits and neck and letting the circulatory system do the work.
This post was edited on 12/7/16 at 12:15 am
Posted by Nawlens Gator
louisiana
Member since Sep 2005
5834 posts
Posted on 12/7/16 at 12:12 am to

Q = M * Cp * DT
BTU of heat = Mass x Specific heat x Change in temp

Heat transfer rate to cold air from a human body, and the specific heat of a human body are pretty independent of mass. So the change in temperature during the same increment of time for a fat and skinny person is:

DT (fatty) = DT (skinny) x M (skinny) / M (fatty)

so the drop in temperature per unit of time for a 150 lb skinny person compared to a 300 lb fat person would be:

DT (fatty) = DT (Skinny) x 150 / 300 = 0.5 x DT (skinny)

So a 300 lb fatty would drop in temperature at half the rate of a 150 lb skinny.

I remember fishing on a cold day in the GOM with skinny marathon runners who were shivering their asses off while others were comfortable. Their fat content was negligible.

Posted by TheFonz
Somewhere in Louisiana
Member since Jul 2016
20389 posts
Posted on 12/7/16 at 12:14 am to
Sit your fat arse outside Friday night and report back.
Posted by Mir
Member since Sep 2016
2777 posts
Posted on 12/7/16 at 12:14 am to
Scienced our asses thanks doc
Posted by Hammertime
Will trade dowsing rod for titties
Member since Jan 2012
43030 posts
Posted on 12/7/16 at 12:41 am to
Heart would most probably shut down quicker than a person who is in shape
Posted by pleading the fifth
Member since Feb 2006
3896 posts
Posted on 12/7/16 at 1:04 am to
I don't remember the exact BMI someone has to be, but morbidly obese people who die and require an autopsy must have one done almost immediately rather than being being put in the morgue refrigerator. This is because the fat gives so much insulation that the internal viscera begins to decompose more rapidly before it can reach the proper storage temperature.
This post was edited on 12/7/16 at 1:05 am
Posted by saint amant steve
Baton Rouge
Member since Aug 2008
5695 posts
Posted on 12/7/16 at 1:13 am to
quote:

Do fat people freeze to death, slower?


They do everything slower...except when it comes to eating or sitting down.
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