DeFrees Large Wave Basin

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Basic Specifications
Facility Name DeFrees Large Wave Basin
Overseeing Organization Cornell University Hydrodynamics
Hydrodynamic Testing Facility Type Wave Basin
Length(m) 32.0
Beam(m) 0.6
Depth(m) 0.9
Water Type Freshwater


Towing Capabilities
Towing Capabilities None



Wavemaking Capabilities
Wavemaking Capabilities Yes
Maximum Wave Height(m) 0.5
Maximum Wave Height(m) at Wave Period(s) 3.0
Maximum Wave Length(m) 64
Wave Period Range(s) 3.0
Current Velocity Range(m/s) 0.0
Programmable Wavemaking Yes
Wavemaking Description Computer controlled 4m hydraulic wave paddle stroke allows a series of solitary waves to be generated; arbitrary wave shape possible
Wave Direction Uni-Directional
Simulated Beach Yes
Description of Beach 1:20 sloping glass with dissipative horsehair covering if needed
Channel/Tunnel/Flume
Channel/Tunnel/Flume None



Wind Capabilities
Wind Capabilities None


Control and Data Acquisition
Description National Instruments LabView and Mathworks Matlab DAQ systems
Number of channels 64+
Bandwidth(kHz) 1000
Cameras Yes
Number of Color Cameras 5

Description of Camera Types 1024 x 1024 x 12 bit to 60 fps, 491 x 656 x 8-bit to 100 fps, others
Available Sensors Acceleration, Ultrasonic Wave Height, Pressure Range(psi), Thermal, Velocity, Acoustics, Flow, Turbulence, Displacement
Data Generation Capability
Real-Time Yes



Test Services
Test Services Yes
Utility Services Available Water, compressed air, 120, 208, 3-phase 240 VAC
On-Site fabrication capability/equipment Fully equipped machine shop
Past Pertinent Test Experience Wave research, wave-structure interaction, wave-sediment studies
Special Characteristics
Special Characteristics Yes
Types of Co-located facilities Wave tanks, flumes, turbulence tank, sediment flumes, air-water tunnel

Hydro | Hydrodynamic Testing Facilities