|Mar23-06, 06:04 PM||#1|
How do submersible work
what are all the physics priciples behind making and using a manned submersible?
what are all the factors that needed to be considered and how does the submersible deal with these issues (i have found some articles about submarines but submersibles are different)
how does it go up and down
how does it support life while it is underwater
how long can they last?
how deeep can they go?
anyone help would be greatly appreciated
|Mar23-06, 07:44 PM||#2|
Well, one can google on "Alvin" and "Trieste", or try Wikipedia for starters.
See also http://en.wikipedia.org/wiki/Bathyscaphe_Trieste_II
For more on Alvin - see Woods Hole's Alvin site - http://www.whoi.edu/marops/vehicles/alvin/index.html
Obviously, the DSV need to be heavier (less bouyant) than the surrounding ocean water. Then to rise, they dump mass (weight) to become more bouyant. To support life, they must withstand high pressure on the outside, while maintaining near atmospheric pressure inside. In addition, they must have sufficient oxygen and heating.
The sites provide more information.
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