Underwater Wave

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Underwater Wave - 4/30/2021 10:38:41 PM

elxaime

Posts: 304
Joined: 11/3/2004
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I had no idea such things existed, but one may have doomed the Indonesian submarine.

https://www.msn.com/en-us/news/world/underwater-wave-may-have-sunk-indonesian-submarine/ar-BB1getCG?ocid=msedgdhp

Post #: 1

RE: Underwater Wave - 5/1/2021 2:50:34 AM

kevinkins

Posts: 2257
Joined: 3/8/2006
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Have to keep an eye on this theory. I never heard of this too. Sound travels through water very efficiently. But does any mass of water move in such a way below sea level to the extent it could sink a sub?

Found this today ... might be a little known but real phenomenon:

https://www.abc.net.au/news/2021-04-30/indonesian-submarine-may-have-been-hit-by-internal-wave/100102816

< Message edited by kevinkins -- 5/1/2021 2:46:59 PM >

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RE: Underwater Wave - 5/1/2021 3:42:56 PM

BDukes

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Joined: 12/27/2017
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Interesting stuff from the perspective that places with noisy currents noise might be good places to hide.

Those subs were upgraded not too long about but definitely aren't spring chickens. My money is some sort of critical failure. Dangerous business this.

Mike

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Post #: 3

RE: Underwater Wave - 5/3/2021 6:30:31 PM

KungPao

Posts: 333
Joined: 4/25/2016
From: Red China
Status: offline

Back in 2014, PLAN almost lost a Kilo to underwater wave. The boat dropped 300m in 8 min. Thanks to the crew's quick reaction and luck the Kilo Yuan Zheng 72 (372) survived but the hull was damaged.

Sorry, the report is in Chinese
https://news.qq.com/a/20141217/059754.htm

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RE: Underwater Wave - 5/8/2021 11:41:47 AM

BeirutDude

Posts: 2625
Joined: 4/27/2013
From: Jacksonville, FL, USA
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Kelvin Waves, actually well known for a long time. I when I was on active duty had heard of subs seriously knocked around by them, but never a loss to one. That said, Indonesia is one of the most tectonically active areas on the planet. People talk about a Yellowstone super eruption, but if it were to actually happen Indonesia is most likely. Tambora in 1815 was a 7 on the 1-8 Volcanic Explosive Index (VEI), and caused the "Year without a summer in 1816."

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I was Navy, but Assigned TAD to the 24th MAU Hq in Beirut. By far the finest period of my service!

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Post #: 5