[PSUBS-MAILIST] Titan submersible missing at Titanic site

[Marc de Piolenc via Personal_Submersibles]

On 6/23/2023 5:28 PM, Alan James via Personal_Submersibles wrote:
> I was thinking about the carbon fibre hull & wondered whether the heat 
> differential from the outside to the inside on the 5" thick hull had 
> anything to do with the Titan crushing.
> At the wreck the water temperature is around 3°C & inside the sub it 
> may be 24C (guessing). The carbon fibre is a great insulator so the 
> outer face of the hull could be relatively stiffer due to the cold & 
> take up more of the pressure than the more softer inner layers. 
> Through cycling the outer layers could weaken. This would be unique to 
> the submarine environment because I dont know anywhere else they would 
> use 5" thick carbon fibre in freezing temperatures.

Aircraft come to mind. A wing spar of a large airplane flying at high 
altitude.

Marc de Piolenc

>
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>
>     On Fri, 23 Jun 2023 at 6:48 pm, Alec Smyth via Personal_Submersibles
>     <personal_submersibles at psubs.org> wrote:
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