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Review of Underwater Vehicles

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									Review of
Underwater
Vehicles
   Module 1, Section 1
Types of Underwater Vehicles




Insert Fig. 1.3 from text book
Types of Underwater Vehicles
 n Manned Vehicles
 n Unmanned Vehicles
 n Non-Vehicles
Manned Vehicles
 n   Submarines   n   Atmospheric Diving
                      Suit
Submarines
 n   Military
 n   Research
 n   Tourist
Military Submarines
 Classified by
   Propulsion System:
 n Nuclear
 n Diesel-Electric


 Classified by Mission
 n Attack
 n Missile
Research Submarines
               n   Submersibles
               n   Smaller
               n   Carries 2 to 3
                   scientists
Tourist Submarines
Atmospheric Diving Suit
 n   Resemble space
     Suits
 n   One person
     Submersible
 n   Expensive to
     maintain
OceanWorks
Atmospheric Diving
Suit (ADS)

The best current
example of non-
hyperbaric underwater
intervention.

The secret is in the
pressure balanced
joints.

Note claws and
limited visibility.
Unmanned Vehicles
 n ROVs
 n AUVs
 n Hybrid   Vehicles
ROVs
 n   Free-Swimming
 n   Bottom Crawling
 n   Structurally Reliant
Free Swimming ROVs

              n   All are tethered
              n   Tether provides,
                  power and data
              n   Equipped with
                  video/TV Cameras
              n   Highly
                  maneuverable
Free Swimming ROVs
              n   Heavy Duty Work
                  Class
              n   Work Class
              n   High-Capability
                  Electric
              n   Small (electric) ROV
                  Observation Class
      Heavy Work Class
n   They primarily service the oil and gas industry
n   225 Horsepower - 2900 pounds of vertical lift
n   Multiple heavy tools
               Work Class
               Electro-Hydraulic
               100-200 HP

n Millennium   Drilling support,
               Construction, Pipeline or
               Inspection
High-Capability Electric
                  n   Compact work class
                      system
                  n   Not as powerful as
                      hydraulic
                  n   2000-4000 lbs
                  n   Payload 220-440 lbs
                  n   Depth capacity to
                      approximately 3,000’
Small (electric) ROV
(Observation Class)
 n   Lower Cost
 n   Usually less than 10
     HP
 n   Used for inspection
 n   Observation
 n   Search and Rescue
 n   Scientific Exploration
Bottom Crawling ROVs
                          500 Horsepower Cable and
 n   Large                Pipeline, Trencher
 n   Heavily Weighted
 n   Used for trenching
     and burying cable
Structurally Reliant ROVs
 n   Attached to various
     types of underwater
     structures
 n   Used for cleaning or
     inspecting structure
     they are attached to
AUVs
Autonomous Underwater Vehicles

                   n   Tether less
                   n   Carries own power
                   n   No pilot
                   n   Pre-Programmed
                   n   Easy Launch and
                       Recovery
Gliders
          n   Require less stored
              energy
Hybrid Vehicles
 n   Nereus
 n   Can be operated as
     an ROV or as an
     AUV
 n   http://www.whoi.ed
     u/home/interactive/
     nereus/
Non-Vehicles
 n Underwater   Habitats
 n Tow fish
 n Anchored Platforms
Underwater Habitats
Tow fish
Anchored Platforms

								
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