Penn Small Water Tunnel

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Basic Specifications
Facility Name Penn Small Water Tunnel
Overseeing Organization Pennsylvania State University Hydrodynamics
Hydrodynamic Testing Facility Type Tunnel
Length(m) 0.8
Beam(m) 0.3
Depth(m) 0.3
Water Type Freshwater
Cost(per day) Contact POC
Special Physical Features Closed loop; Turbulence level = 0.1%; Pressure range = 3-60psi; Controlled cavitation = # >0.1; Control Air content = >1ppm per mole
Towing Capabilities
Towing Capabilities None

Wavemaking Capabilities
Wavemaking Capabilities None

Channel/Tunnel/Flume Yes
Velocity(m/s) 21
Recirculating Yes
Pressure Range(Psi) 3 - 60
Wind Capabilities
Wind Capabilities None

Control and Data Acquisition
Description National Instruments dynamic analyzer, 24-bit
Number of channels 128
Bandwidth(kHz) 100
Cameras Yes
Number of Color Cameras 5

Description of Camera Types Standard video synchronized with analog A-D NI data acquisition systems
Available Sensors Acceleration, Acoustics, Displacement, Flow, Power conversion effectiveness and generation, Pressure Range(psi), Thermal, Turbulence, Velocity, Vibration
Data Generation Capability
Real-Time Yes
Data Comparison to Computational Models Numerous Naval propulsor prototype designs with verification and Validation studies.
Integrated Display/Graphics Microsoft Windows based systems
Other Data Capabilites State-of-the-art non-invasive flow diagnostics (PIV,LDV, LIF, flow visualization, optical vibrometry), dynomometer design and manufacture, advanced data analysis, regulatory quality testing and data analysis.
Test Services
Test Services Yes
Utility Services Available CFD, structural and flow acoustics and vibration
On-Site fabrication capability/equipment Mutli-axis, NC machining; Unigraphics CAD; Prototype device design and manufacture; instrument design and manufacture
Past Pertinent Test Experience Design, manufacture and test hydrodynamic turbomachinery for Naval applications; powering and energy extraction testing; material testing in cavitating environments; hydro and structural acoustic/vibration analysis and testing; advanced flow diagnostics
Special Characteristics
Special Characteristics Yes
Types of Co-located facilities Larger Tunnel; Reverberant tank
Specializations, Capabilities, and Key
Facility Attributes Not Covered Elsewhere
Naval hydrodynamics, device health monitoring, composites R&D and manufacture, power systems; materials R&D with emphasis on marine environment survivability

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