Post on 31-Mar-2015
Review of Review of Underwater Underwater VehiclesVehicles
Module 1, Section 1Module 1, Section 1
Types of Underwater Types of Underwater VehiclesVehicles
T yp e s o f U nd e rw ate r V eh ic les
M ilita ry R e se a rch T o u ris tS u bs
S u b m a rin es S u b m ers ib les A tm osh e ricD iv in g
S u it(A D S )
M a nn e d V e h ic les
F re e S w im m ing B o tto m C ra w ling S tru c tu ra llyR e lia n t
R O V s
G lid e rs
A U V s H yb rid V e h ic les
U n m an n ed V eh ic les
M o d ern U n de rw ate r V eh ic les
Insert Fig. 1.3 from text book
Types of Underwater Types of Underwater VehiclesVehicles
Manned VehiclesManned Vehicles Unmanned VehiclesUnmanned Vehicles Non-VehiclesNon-Vehicles
Manned VehiclesManned Vehicles
SubmarinesSubmarines Atmospheric Atmospheric Diving SuitDiving Suit
SubmarinesSubmarines
MilitaryMilitary ResearchResearch TouristTourist
Military SubmarinesMilitary Submarines
Classified by Classified by Propulsion System:Propulsion System:
NuclearNuclear Diesel-ElectricDiesel-Electric
Classified by MissionClassified by Mission AttackAttack Missile Missile
Research SubmarinesResearch Submarines
SubmersiblesSubmersibles Smaller Smaller Carries 2 to 3 Carries 2 to 3
scientistsscientists
Tourist SubmarinesTourist Submarines
Atmospheric Diving SuitAtmospheric Diving Suit
Resemble space Resemble space SuitsSuits
One person One person SubmersibleSubmersible
Expensive to Expensive to maintainmaintain
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 VehiclesUnmanned Vehicles
ROVsROVs AUVsAUVs Hybrid VehiclesHybrid Vehicles
ROVsROVs
Free-SwimmingFree-Swimming Bottom CrawlingBottom Crawling Structurally Structurally
ReliantReliant
Free Swimming ROVsFree Swimming ROVs
All are tetheredAll are tethered Tether provides, Tether provides,
power and datapower and data Equipped with Equipped with
video/TV Camerasvideo/TV Cameras Highly Highly
maneuverablemaneuverable
Free Swimming ROVsFree Swimming ROVs
Heavy Duty Work Heavy Duty Work ClassClass
Work ClassWork Class High-Capability High-Capability
ElectricElectric Small (electric) Small (electric)
ROV Observation ROV Observation ClassClass
Heavy Work Class Heavy Work Class They primarily service the oil and gas industryThey primarily service the oil and gas industry 225 Horsepower - 2900 pounds of vertical lift225 Horsepower - 2900 pounds of vertical lift Multiple heavy toolsMultiple heavy tools
Work ClassWork Class
MillenniumMillennium
Electro-Hydraulic
100-200 HP
Drilling support, Construction, Pipeline or Inspection
High-Capability ElectricHigh-Capability Electric
Compact work class Compact work class systemsystem
Not as powerful as Not as powerful as hydraulic hydraulic
2000-4000 lbs2000-4000 lbs Payload 220-440 lbsPayload 220-440 lbs Depth capacity to Depth capacity to
approximately approximately 3,000’3,000’
Small (electric) ROVSmall (electric) ROV(Observation Class)(Observation Class)
Lower CostLower Cost Usually less than 10 Usually less than 10
HPHP Used for inspection Used for inspection ObservationObservation Search and RescueSearch and Rescue Scientific Scientific
ExplorationExploration
Bottom Crawling ROVsBottom Crawling ROVs
Large Large Heavily WeightedHeavily Weighted Used for Used for
trenching and trenching and burying cableburying cable
500 Horsepower Cable and Pipeline, Trencher
Structurally Reliant ROVsStructurally Reliant ROVs
Attached to Attached to various types of various types of underwater underwater structuresstructures
Used for cleaning Used for cleaning or inspecting or inspecting structure they are structure they are attached toattached to
AUVsAUVsAutonomous Underwater Autonomous Underwater VehiclesVehicles
Tether lessTether less Carries own Carries own
powerpower No pilotNo pilot Pre-ProgrammedPre-Programmed Easy Launch and Easy Launch and
RecoveryRecovery
GlidersGliders
Require less Require less stored energystored energy
Hybrid VehiclesHybrid Vehicles
NereusNereus Can be operated Can be operated
as an ROV or as as an ROV or as an AUVan AUV
http://http://www.whoi.edu/www.whoi.edu/home/home/interactive/interactive/nereus/nereus/
Non-VehiclesNon-Vehicles
Underwater HabitatsUnderwater Habitats Tow fishTow fish Anchored PlatformsAnchored Platforms
Underwater HabitatsUnderwater Habitats
Tow fishTow fish
Anchored PlatformsAnchored Platforms