The Froude Building, one of our three purpose built halls
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Our state of the art physical modelling facilities include:
HR Wallingford has six wave basins ranging in plan size from 25 x 32 m to 75 x 32 m, and a 55 x 27 m wave-current basin. Our largest wave basin is one of the largest unobstructed hydraulic test tanks in the world. The size of our basins allows large structures to be tested without risk of incurring significant scale effects.
Our basins are equipped with state of the art instrumentation including multi-element random wavemakers with active wave absorption, laser scanners, video capture and infrared tracking systems (for monitoring the movement of moored vessels). Model waves up to 0.25 m can be generated in water depths of up to 0.8m. In addition, our wave-current basin can generate uni-or bidirectional current discharges of up to 1.2 m³/s.
HR Wallingford has two wave flumes of length 45 m, width 1.2 m and an operating depth of up to 1.5 m. We also have a large flume of length 100 m, width 1.8 m and an operating depth of up to 1.8 m. The flumes are equipped with electric paddles that can produce regular and random waves with heights up to 0.3 m (Hs).
Our general purpose flow flume (GP flume) is unique in the UK in terms of its size and flow measurement accuracy. It uses the volume-time approach to measure flow rates, generally acknowledged to be the most accurate means available. The flume is calibrated to a volumetric measurement accuracy of ±0.2 per cent.
HR Wallingford has the facilities to undertake free-standing scale model studies. Despite advances in computational fluid dynamics, physical modelling remains the most reliable way of investigating the performance of pumping stations and of complex and non-standard structures such as:
Physical modelling remains the most reliable way of investigating the performance of pumping stations and of complex and non-standard structures.