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Schleusenmodell Uelzen II

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Automatisierte Medienanalyse

Erkannte Entitäten
The Uelzen I lock on the Elbe-Seiten canal. This canal links the Mittelland canal with the River Elbe. The difference in height is 23 meters. Next to it, a new and larger lock is under construction: Uelzen II. They are locks with water-saving basins, which reduce water consumption. Most of the water needed for filling the locks is drawn from water-saving basins next to the lock. These are filled up with the water emptied out of the lock. The rest is taken from the upper section of the canal. And this water, in turn, is pumped back from the lower section at night. Before construction of Uelzen II began, the functionality of the new lock was tested and optimised in a model at the BAW, the Federal Waterways Engineering and Research Institute in Karlsruhe. The staff here built the new Uelzen II lock on a scale of 1:20. To save space, the water-saving basins of the new lock are positioned one above the other to the left and right of the lock chamber. In locks with water-saving basins large amounts of water have to be moved back and forth between the lock and the water-saving basins as quickly as possible. This gives rise to fast-moving currents, eddies and waves, which could endanger ships by forcing
them against the lock walls, for example. The water flows out of the water-saving basins and into the lock chamber from below. This happens very quickly, as we can see when black dye is added to the water from the second storage basin. The ship
must be raised as smoothly as possible. Sensors on the ship measure the shear and longitudinal forces it's subjected to and transfer the readings to a computer. In order to
make laser beams visible, a milky liquid is added to
the water. The lasers measure flow speeds in accordance with the Doppler effect. The changing water levels in the water-saving basins are followed by this
ultra-sonic water-level meter.
The tube is connected to the lock chamber and shows the current water level. The ultra-sonic meters register water levels in the model precisely to within one tenth of a millimetre, which represents an accuracy of 2 millimetres in reality.
Each of the four water-saving basins is equipped with ultra-sonic meters on both sides. The changing water levels are conveyed electronically to the measurement booth. Other measured
values are fed to the booth as well and processed by computer. The forces acting on the ship must not exceed the admissible values in each case. The forces are
registered by sensors at the bow and stern of the ship and shown on the screen. If the water level in the lock chamber rises relatively quickly, the forces change vigorously by several kilo-Newtons.
Only when the water level comes to rest does the ship as well. A lock is
a complex system with many dynamic parameters and operates with a high level of automation - both in the model and in reality. The data
delivered must be of high quality. So the functionality of the lock is optimised in the model - which pays off both technically and economically.
The Uelzen II lock came into operation in December 2006 and is one of the world's largest locks with water-saving basins. As we saw in the model, there are 4
water saving basins on each side of the lock chamber, positioned one above the other.
At the Uelzen II lock
the water-saving basins hold about 70% of the water needed
to fill the lock chamber, which is somewhat more than at Uelzen I.
For the sake of repair and maintenance work, and for peak times
with up to 86 lockage operations a day, Uelzen I is also still in commission - on 362 days a year.
Pfadfinder <Flugzeug>


Formale Metadaten

Titel Schleusenmodell Uelzen II
Alternativer Titel The Uelzen II Lock Model
Autor Schledding, Thomas
Grosse, Werner
Mitwirkende Bernd Hentschel (wissenschaftliche Betreuung)
Udo Pfrommer (wissenschaftliche Betreuung)
Eberhard Grimm (wissenschaftliche Betreuung)
Kuno Lechner (Kamera)
Wolfgang Blöhm (Kamera)
Thomas Gerstenberg (Ton)
Abbas Yousefpour (Schnitt)
Lizenz CC-Namensnennung 4.0 International:
Sie dürfen das Werk bzw. den Inhalt zu jedem legalen Zweck nutzen, verändern und in unveränderter oder veränderter Form vervielfältigen, verbreiten und öffentlich zugänglich machen, sofern Sie den Namen des Autors/Rechteinhabers in der von ihm festgelegten Weise nennen.
DOI 10.5446/14872
IWF-Signatur C 13226
Herausgeber Bundesanstalt für Wasserbau (BAW)
Erscheinungsjahr 2010
Sprache Englisch
Produzent IWF (Göttingen)
Produktionsjahr 2008

Technische Metadaten

IWF-Filmdaten Video-Clip ; F, 5 min

Inhaltliche Metadaten

Fachgebiet Technik
Abstract Bevor man mit dem Bau der neuen Schleuse Uelzen II begann, wurde die Funktionsweise der Schleusenanlagen im Modell in der Bundesanstalt für Wasserbau in Karlsruhe untersucht und optimiert. Aus Platzgründen befinden sich die Sparbecken der neuen Schleuse links und rechts der Schleusenkammer senkrecht übereinander. Sparbecken verringern den Wasserverbrauch aus der oberen Kanalstrecke beim Schleusen. In der Schleusenkammer sollen die auf die Schiffe einwirkenden Kräfte möglichst gering und die Schleusung soll möglichst schnell sein. Eine Schleuse am Modell zu analysieren und zu optimieren, macht sich in technischer und wirtschaftlicher Hinsicht bezahlt.
Before starting the construction of the new Uelzen II lock, the functionality of the lock was tested in a model at BAW. The water saving basins of the new lock are stacked vertically at the left and right side of the lock chamber for reasons of space. Water saving basins reduce the consumption of water taken from the upper part of the canal during the locking process. The forces acting on ships in the lock chamber should be minimised as far as possible and the locking time should be as short as possible. Analysing and optimising a lock by means of a model pays off from a technical and economical point of view.
Schlagwörter Schifffahrt
physikalisches Modell
Ultraschall Wasserspiegel Messgerät
Uelzen II
hydraulic engineering
Uelzen II
recuperation lock
lock chamber
ultra sonic water level meter
force sensor
physical model
construction model

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