GENERAL ACOUSTICS © UltraLab ® ULS-Series Sensing of Water Level and Waves Remote Sensing Technology based on Superior Ultrasound Measurement GENERAL ACOUSTICS.

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UltraLab®-Series Sensing of Water Level, Waves and Bottom Contours

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GENERAL ACOUSTICS © UltraLab ® ULS-Series Sensing of Water Level and Waves Remote Sensing Technology based on Superior Ultrasound Measurement GENERAL ACOUSTICS GmbH, Germany

GENERAL ACOUSTICS © Lab Measurement Engineering Remote Sensing of Water Levels, Waves and Distances for Lab Applications Hydraulic Laboratories Ship Model Basins Simulation Facilities of Channels and Waterways

GENERAL ACOUSTICS © Lab Measurement Engineering Technology remote sensing of waves and water levels on the basis of ultrasound via air (products ULS, ULS Advanced) Innovation/ Unique selling proposition accuracy of distance measuring resolution measuring of wave contours up to breaking waves fast measurement free of calibration User Laboratories, Science- and Development Centres: Hydraulic Laboratories, Ship Model Basins, Towing Tanks, Simulation Facilities of Channels and Waterways, Universities, Navy-Institutes References HSVA (D), SVA Potsdam (D), MARIN (NL), French Navy (F), etc.

GENERAL ACOUSTICS © UltraLab ® : Performance Based on sophisticated technology the sensors with the controller deliver a superior performance, as there are: Advanced sensitive sound reception Narrow sound beam with practically no side lobes resulting in enhanced spatial resolution Measurement on steep wave flanks/breaking waves are possible Extreme resolution of up to 0,18 mm High repetition rate up to 100 Hz Various sensors measuring from 30 mm up to 6000 mm

GENERAL ACOUSTICS © UltraLab ® : Applications Applications Level monitoring Analysis of wave fields Measurements in flood- and surface water models Detection of surface waves Measurement of dynamic processes Recording of topographic contours in models

GENERAL ACOUSTICS © UltraLab ® ULS 40D Highly accurate remote sensing of water level and waves with 4 channels for..... hydraulic labs ship model basins flumes towing tanks

GENERAL ACOUSTICS © UltraLab ® ULS 80D Highly accurate remote sensing of water level and waves with 8 channels for..... hydraulic labs ship model basins flumes towing tanks

GENERAL ACOUSTICS © UltraLab ® ULS HF5-A Highly accurate remote sensing of steep and very fast moving waves with 4 synchronised sensors at 4 channels hydraulic labs ship model basins flumes towing tanks

GENERAL ACOUSTICS © UltraLab ® ULS Advanced Highly accurate remote sensing of steep and very fast moving waves with a relative velocity up to 15 m/s hydraulic labs ship model basins flumes towing tanks

GENERAL ACOUSTICS © Measuring Setup Example of an expected wave or level fluctuation of around 600 mm: The right task for sensor USS20130 with a measuring range of 200 to 1300 mm

GENERAL ACOUSTICS © UltraLab ® ULS: Calibration Curve The calibration curve: is a straight line does not path through the origin... min max minmax h UU hh Uh meas    ... this means that: the conversion of distance to voltage is linear A two point calibration is easy to do

GENERAL ACOUSTICS © UltraLab ® ULS: Measurement Example 1 High resolution measurement of a water level - University of Applied Sciences Suderburg, Germany -

GENERAL ACOUSTICS © UltraLab ® ULS: Measurement Example 2 Superposition of two different waves - VWS Berlin Model Basin -

GENERAL ACOUSTICS © UltraLab ® ULS: Measurement Example 3 Planar motion (v=2m/s) towards the incoming wave - Hamburg Ship Model Basin -

GENERAL ACOUSTICS © UltraLab ® ULS: Measurement Example 4 Local reading of a single wave packet - Potsdam Model Basin -

GENERAL ACOUSTICS © UltraLab ® ULS Advanced: Measurement Example 5 Measurement at a relative velocity about 10 – 12 m/s - Maritime Research Institute Netherlands (MARIN) -

GENERAL ACOUSTICS © Specifications UltraLab ® ULS 40D Sample rate: up to 75 Hz Steep waves can be measured with a horizontal speed of 2 m/s against the incoming wave (4 m/s vertical speed )

GENERAL ACOUSTICS © Specifications UltraLab ® ULS 80D Sample rate: up to 75 Hz Steep waves can be measured with 8 independent channels Analogue 0-10 V and digital RS232 output

GENERAL ACOUSTICS © Specifications UltraLab ® ULS HF5-A The system is equipped with 4 synchronised channels. Due to the synchronisation of the channels the sensors can be placed very close to each other. The measuring of wave fields in high resolution concerning time and place are possible with the HF5-A. Sensor USS 13/HF Blind area:200 mm Working range:1200 mm Frequency:200 kHz Techn. Resolution:0.36 mm Output update:50 Hz Interfaces:RS232, LAN Digital RS232 output:ASCII Proteccion class:IP65

GENERAL ACOUSTICS © Specifications UltraLab ® ULS Advanced Steep and very fast moving waves can be measured with a relative velocity up to 15 m/s Free of calibration Sensor USS 12/HF Blind area:200 mm Working range:1200 mm Frequency:200 kHz Techn. Resolution:0.36 mm Output update:100 Hz Interfaces:RS232, LAN Digital output:ASCII Proteccion class:IP65

GENERAL ACOUSTICS © Some References Maritime Research Institute Netherlands MARIN / Vienna Model Basin Ltd. / Schiffbautechnische Versuchsanstalt in Wien GmbH / Austria: Hamburg Ship Model Basin / Hamburgische Schiffbau-Versuchsanstalt GmbH / Germany: Potsdam Model Basin / Schiffbau-Versuchsanstalt Potsdam GmbH / Germany: potsdam.de potsdam.de Development Centre for Ship Technology and Transport Systems / Entwicklungszentrum für Schiffstechnik und Transportsysteme e.V. / Duisburg, Germany: Bassin d'essais des carènes / French Navy / France: Laboratoire de constructions hydraulique /Switzerland: Federal Waterways Engineering and Research Institute / Bundesanstalt für Wasserbau Hamburg / Germany: University of Trento Trento / Italy: University of Bari / Italy: RWTH Aachen University /Germany: www-zhv.rwth-aachen.de/www-zhv.rwth-aachen.de/ Technical University of Munich / Germany: