Review of Underwater Vehicles Module 1 Section 1

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 Military n Research n Tourist n

Military Submarines Classified by Propulsion System: n Nuclear n Diesel-Electric Classified by Mission n Attack n Missile

Research Submarines Submersibles n Smaller n Carries 2 to 3 scientists n

Tourist Submarines

Atmospheric Diving Suit Resemble space Suits n One person Submersible n Expensive to maintain n

Ocean. Works Atmospheric Diving Suit (ADS) The best current example of nonhyperbaric 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 Free-Swimming n Bottom Crawling n Structurally Reliant n

Free Swimming ROVs n n All are tethered Tether provides, power and data Equipped with video/TV Cameras Highly maneuverable

Free Swimming ROVs n n Heavy Duty Work Class High-Capability Electric Small (electric) ROV Observation Class

Heavy Work Class They primarily service the oil and gas industry n 225 Horsepower - 2900 pounds of vertical lift n Multiple heavy tools n

Work Class Electro-Hydraulic 100 -200 HP n Millennium Drilling support, Construction, Pipeline or Inspection

High-Capability Electric n n n Compact work class system Not as powerful as hydraulic 2000 -4000 lbs Payload 220 -440 lbs Depth capacity to approximately 3, 000’

Small (electric) ROV (Observation Class) n n n Lower Cost Usually less than 10 HP Used for inspection Observation Search and Rescue Scientific Exploration

Bottom Crawling ROVs Large n Heavily Weighted n Used for trenching and burying cable n 500 Horsepower Cable and Pipeline, Trencher

Structurally Reliant ROVs Attached to various types of underwater structures n Used for cleaning or inspecting structure they are attached to n

AUVs Autonomous Underwater Vehicles n n n Tether less Carries own power No pilot Pre-Programmed Easy Launch and Recovery

Gliders n Require less stored energy

Hybrid Vehicles n n n Nereus Can be operated as an ROV or as an AUV http: //www. whoi. ed u/home/interactive/ nereus/

Non-Vehicles n Underwater n Tow Habitats fish n Anchored Platforms

Underwater Habitats

Tow fish

Anchored Platforms