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Hydroscience Tank

University of Southampton

Although not a wind tunnel, this facility has been included as part of the NWTF, and there have been mission concepts to do oceanography on Titan. The HydroScience Tank at the University of Southampton is 6.5 m wide, 3.5 m deep and 140 m long. It has maximum carriage speed of 12 m/s. It has a variety of tow posts, either fixed pitch/heave/roll. Forced motions via HPMM or VPMM for surge, sway/yaw or heave/pitch. Multi component dynamometer frame as necessary for resistance/thrust, side force, vertical force and moments.

Test Section 1 size:
138 m long x 6 m wide x 3.5 m deep with 0.5 m free board
Towing and wave tank
Maximum Flow Speed: Maximum Carriage Speed: 12 m/s
Reynolds No: 7x10⁷ (max)

Temperature: Ambient (~288k)
Run Time: From 12 seconds to 3 minutes
Typical Recharge Time: ~10 minutes

Testing Capabilities:
Model Support: Bespoke dynamometer with different tow force and side force ranges, from 0 to 1500 N.
Data Acquisition: Motion capture system for towed and free running models, both above and under water.
Propeller dynamometers for thrust and torque measurements.
Open water rig.
Ultrasonic wave probes.
Permanent acquisition of environmental data in the tank at various locations.

Flow visualisation: Underwater PIV and LDV systems.

Specialist Rigs:
(i) Passive beach at end of tank with Active wave makers (12 paddles) across other end that can generate regular and irregular sea states with max. amplitude of 0.5 m for wide range of model scale wave frequencies.
(ii) Deployable side beach to damp waves rapidly between runs
(iii) Modular instrumentation stations and fixings to walls/floor of tank
(iv) Innovative design of high speed carriage capable of both manned and unmanned operations
(v) Automated and repeatable test process
(vi) Live video feeds and live data streaming
Passive Beach
Lifting beaches on North tank wall
Underwater stereo PIV system
2-component underwater LDA system