Offshore Technology Research Center

 

OTRC Basin Specifications

  Wave Basin

Wave Basin Graphic Length: 150 ft. (45.7 m)

Width: 100 ft. (30.5 m)

Depth: 19 ft. (5.8 m)

Deep Pit (Adjustable Depth)
Length: 30 ft. (9.1 m)
Width: 15 ft. (4.6 m)

Depth: 19-55 ft. (5.8-16.8m)

Wave Absorber

Type: Progressive Expanded Metal Panels

 
 
 

  Current Generator

Current Generator
Type: Multi-port jet manifolds that can be placed at variable depth in any direction relative to the waves to produce a locally homogenous, steady flow field in the vicinity of a model.
Number of Manifolds: 9  
Number of Nozzles/Manifold: 33
Nozzle Diameter: 3 inches   
Nozzle Spacing: 9 inches (23 cm)
Pump Capacity: 0-36,000 gpm
Velocity Range: 0-2+ ft/second

  Wind Generator

Wind Generator
Type:  Bank of multiple, variable fans that can be placed in any direction relative to the waves
Number of Fans:  16 Installed HP:  160
Fan Capacity:  2,500,000 cfm (1,180,000 L/sec)
Velocity Range:  0-40 ft/sec (0-12 m/sec)
Frequency Range:  0-0.03 Hz

  Wave Generator

Waveboards Waveboards
Type: Hinged Flap
Number: 48
Width: 2 ft. (0.6 m)
Depth: 8 ft. (2.4 m)
Height: 11.9 ft. (3.6 m)
Performance
Wave Types: Regular, Irregular, Long-crested, Focused, and Short-crested
Period Range: 0.5-4.0 Seconds
Maximum Wave Height: 34 in. (0.9 m) @ 2.3 - 3.0 seconds

Power Supply: 600 HP (447 kw), 3000 psi hyd

  Towing Carriage

Towing Carriage
Velocity Range:  0-2 ft/sec (0-0.6 m/sec)

  Data Acquisition

Number of Channels:  96 expandable to 124
A/D Converter:  15 bit
Maximum Sample Rate:  1 KHz
Input Range:  ± 5mv to ±10 V
Hardware Gain:  1, 2, 5, 10, 100, 200, 500 & 1000
Programmable Gain:  1, 2, 4, 10, 20 & 40

Hardware Filters:  2-pole Butterworth, 1, 5, 10, 100 Hz & Wide Band

  Tracking System

Optical Tracking System
Type: Qualisys 8 Camera setup which accomplishes 6 Degree of Freedom model tracking

Maximum Camera Frame Rate = 40 Hz

Accuracy to 1/2 mm
 

 

 

 

 

 

 

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