Missing Titanic Submersible

[Cisco Kid]

And away we go.

[LongShortLong]

Likely nothing.

One good comparison I read is to imagine the piston in a diesel engine. The air in that cylinder is compressed to a few hundred psi until the air reaches combustion temperature and the fuel is injected and ignited.

At the depth of the titanic, the compression pressure of the ocean on the occupants of the sub from every direction is conservatively 10x the pressure in a diesel cylinder. Any gas, including gas trapped inside flesh and bone, would be compressed to a fraction of its original volume, increasing temperature several thousand degrees. We’re talking complete phase change in a few milliseconds.

There's some physics problems with that. A few below, though I wouldn't trust me, or the average physicist. In an implosion, there's suddenly a bunch of mechanical processes driving physical processes, possibly driving chemical processes. But it starts and ends so quickly that figuring things out requires knowing how fast the various processes occur.

Humans are mostly water which is relatively incompressible, so they will remain about their original volume. Lungs and sinuses and farts, however, become much smaller. Will all the sudden movement cause mechanical damage similar to getting hit by a brick wall, yep. Ripped to shreds, maybe. Pulverized to human burger, possible. I remember some experiment about using explosives to tenderize meat.

As for the temperature, yes, the air temperature may briefly become very high. However, just as the diesel cylinder's surface only becomes warm after many compression cycles, the solids and liquids aren't going to heat up that fast. Certainly if you atomized and mixed with oxygen, as in a diesel cylinder with a diesel injector, they would combust, but that isn't happening here. Though, even then, humans are mostly not flammable so even a theoretically atomized human still would not combust. Also, atomized human or water will limit the compression heating as water absorbs massive amounts of energy in its phase change to steam.

Would clothing become charred? Maybe, though it's a race between the combustion reaction and the imminent arrival of cold water terminating said reaction, so maybe not. Would there be flame? Imma a guess no - the brief temperature spike is almost immediately quenched by sea water giving no time for a flame to form.

I wouldn't trust anyone, even an expert, to know all the details of the various processes to predict the sequence of events. We'd need a set of detailed experiments, accurate high speed data collection, and careful analysis. We have surplus billionaires, and money from their estates could fund the research project - let's get started.

[KQ]

So with regard to the hull failure, would it have been immediate or would they have heard creaks and seen cracks with maybe a leak?

Wondering if there was time enough for an "oh shit" moment and a realization of what was to come.

[MontuckyFried]

I always liked "more dollars than sense"

Ah, yes. THAT'S the one.

[Supermoon]

There's some physics problems with that. A few below, though I wouldn't trust me, or the average physicist. In an implosion, there's suddenly a bunch of mechanical processes driving physical processes, possibly driving chemical processes. But it starts and ends so quickly that figuring things out requires knowing how fast the various processes occur.

Humans are mostly water which is relatively incompressible, so they will remain about their original volume. Lungs and sinuses and farts, however, become much smaller. Will all the sudden movement cause mechanical damage similar to getting hit by a brick wall, yep. Ripped to shreds, maybe. Pulverized to human burger, possible. I remember some experiment about using explosives to tenderize meat.

As for the temperature, yes, the air temperature may briefly become very high. However, just as the diesel cylinder's surface only becomes warm after many compression cycles, the solids and liquids aren't going to heat up that fast. Certainly if you atomized and mixed with oxygen, as in a diesel cylinder with a diesel injector, they would combust, but that isn't happening here. Though, even then, humans are mostly not flammable so even a theoretically atomized human still would not combust. Also, atomized human or water will limit the compression heating as water absorbs massive amounts of energy in its phase change to steam.

Would clothing become charred? Maybe, though it's a race between the combustion reaction and the imminent arrival of cold water terminating said reaction, so maybe not. Would there be flame? Imma a guess no - the brief temperature spike is almost immediately quenched by sea water giving no time for a flame to form.

I wouldn't trust anyone, even an expert, to know all the details of the various processes to predict the sequence of events. We'd need a set of detailed experiments, accurate high speed data collection, and careful analysis. We have surplus billionaires, and money from their estates could fund the research project - let's get started.

Just read a good Twitter thread (is that an oxymoron?) on this.

https://twitter.com/hankgreen/status...336625152?s=20

“Death would be immediate. The heat might also vaporize some water (though you’d need to be a lot of heat at that pressure), increasing the pressure further during the instant of collapse.

I just did a very basic calculation and the air might be squeezed enough to form plasma.”

“This pressure and heat wouldn’t just instantly stop a person from existing, I think it would instantly stop any cells from existing. There would be no time to know it happened, and there would be nothing recognizeable left. The area would be sterile.”

[MontuckyFried]

And away we go.

Full disclosure: Haven't watched the video, BUT seems a few here who had some secondhand knowledge of sub stuff along with James Cameron (who absolutely DOES know his shit when it comes to this stuff), knew damn well by Monday what the heck was up. Surely the experts on the scene knew as well, BUT at least had to display they were making a diligent effort and not give up until all was visually confirmed. KINDA seems like the Feds were lying, but maybe it's more of a white lie. I can't blame them in this case. Don't think it was anything nefarious or anything.

[highangle]

A lot of that gas inside the sub is going to get compressed into the closest soft tissue at some point in this timeline...Skin and bone isn't going to count for a lot against that 3D potato cannon.

I talked to a guy who was a physical chemist working near a rig drilling a sketchy formation in Alberta, which had a little kick that blew a mud pump line which blew a pipeload of mud out of a choke line at about 1000psi before the preventers and chokes got it under control. It cut the rig office in half, and took all the paint off the fellow's truck and blew out all the glass, 200' away.

[bennymac]

Full disclosure: Haven't watched the video, BUT seems a few here who had some secondhand knowledge of sub stuff along with James Cameron (who absolutely DOES know his shit when it comes to this stuff), knew damn well by Monday what the heck was up. Surely the experts on the scene knew as well, BUT at least had to display they were making a diligent effort and not give up until all was visually confirmed. KINDA seems like the Feds were lying, but maybe it's more of a white lie. I can't blame them in this case. Don't think it was anything nefarious or anything.

All of a sudden these fucksticks want to believe the experts without any solid proof.

The irony

[EWG]

Or just use them to test these backyard submersibles in the future

I think you meant "Gentlemen's Submersibles."

[LongShortLong]

All of a sudden these fucksticks want to believe the experts without any solid proof.

The irony

I watched. Thought it was funny. Forwarded to my Q-hatter friends. They're going to miss the irony, and that's sad.

[rideit]

Seriously, what in the fuck would be gained if the Navy said “They’re all dead”, and then the vessel was found later with the five bodies intact? That would be WAY fucking worse than just conducting a search that could potentially be paid for somewhat by the billionaire.

[JimmyCarter]

I think you meant "Gentlemen's Submersibles."

These glorified tin cans are the purlieu of the scoundrel and no place for a gentleman submariner.

[BmillsSkier]

I think you meant "Gentlemen's Submersibles."

Thank you.

[Supermoon]

These glorified tin cans are the purlieu of the scoundrel and no place for a gentleman submariner.

Are you really a gentleman explorer (TM) if you can’t have a pipe and a nip of brandy at the end of the day?

[JimmyCarter]

Are you really a gentleman explorer (TM) if you can’t have a pipe and a nip of brandy at the end of the day?

Of course not, and certainly not if you’ve been vaporized and hydrolyzed before the end of the day

[Jong Lafitte]

Seriously, what in the fuck would be gained if the Navy said “They’re all dead”, and then the vessel was found later with the five bodies intact? That would be WAY fucking worse than just conducting a search that could potentially be paid for somewhat by the billionaire.

Right. Like, oh, sorry ma’am, but James Cameron and the navy put the odds at +3000, so we’ll just leave it to the privateers or other governments, ya know, if they wanna help, we won’t stop them.


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[rideit]

Well, yeah, how could they stop them?
I mean, seriously, of COURSE the other rescuers were appraised precisely and completely what the odds were as well.

[Jong Lafitte]

Well, yeah, how could they stop them?

Well yah but you say it anyway to look like you might try if crossed.

“The US Navy has committed to the fact they the crew has perished and is committed to preventing salvagers and thrill seekers from disturbing their final resting place. A frigate has been committed to patrol.”

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[Jax]

I read somewhere that they likely didn't even make it down to the wreck to begin with, that they possibly started to ascend not even halfway down but it was too late anyway. Still can't help but think of the mental state of that poor kid as he climbed into his coffin.

[rideit]

Well yah but you say it anyway to look like you might try if crossed.

“The US Navy has committed to the fact they the crew has perished and is committed to preventing salvagers and thrill seekers from disturbing their final resting place. A frigate has been committed to patrol.”

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They couldn't even do that in international waters.

[BmillsSkier]

The scavenger and attention seeker memes have started and they’re viscous.

[Mustonen]

The scavenger and attention seeker memes have started and they’re viscous.

Is that another joke about the passengers getting liquified?

[MultiVerse]

Are you really a gentleman explorer (TM) if you can’t have a pipe and a nip of brandy at the end of the day?

This real life aquatic horror is certainly not the vibe

[Ted Striker]

A+ Rant. 10/10
https://twitter.com/thisiskashmir/st...4lGhgLYsrm4qDQ

.

[Danno]

The scavenger and attention seeker memes have started and they’re viscous.

ewwww