Review of Underwater Vehicles Module 1, Section 1.

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Presentation transcript:

Review of Underwater Vehicles Module 1, Section 1

Types of Underwater Vehicles Insert Fig. 1.3 from text book

Types of Underwater Vehicles Manned Vehicles Manned Vehicles Unmanned Vehicles Unmanned Vehicles Non-Vehicles Non-Vehicles

Manned Vehicles Submarines Submarines Atmospheric Diving Suit

Submarines Military Military Research Research Tourist Tourist

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

Research Submarines Submersibles Smaller Carries 2 to 3 scientists

Tourist Submarines

Atmospheric Diving Suit Resemble space Suits Resemble space Suits One person Submersible One person Submersible Expensive to maintain 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 ROVs ROVs AUVs AUVs Hybrid Vehicles Hybrid Vehicles

ROVs Free-Swimming Free-Swimming Bottom Crawling Bottom Crawling Structurally Reliant Structurally Reliant

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

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

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

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

High-Capability Electric Compact work class system Not as powerful as hydraulic lbs Payload lbs Depth capacity to approximately 3,000

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

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

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

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

Gliders Require less stored energy

Hybrid Vehicles Nereus Nereus Can be operated as an ROV or as an AUV Can be operated as an ROV or as an AUV u/home/interactive/ nereus/ u/home/interactive/ nereus/

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

Underwater Habitats

Tow fish

Anchored Platforms