Projects

Dr.-Ing. Ebrahim Kadivar, Prof. Yuka Iga, Prof. Dr.-Ing. Bettar Ould el MoctarPassive Control of Unsteady Cavitation on a Hydrofoil

Cavitation is a process of liquid evaporation, bubble or vapor sheet formation, and further collapse of vapor structures, which plays an undesirable role in many industrial applications. ...

Read more

Dr.-Ing. Ebrahim Kadivar, Prof. Dr.-Ing. Bettar Ould el MoctarDynamics of Laser-Induced Cavitation Bubble near Rigid and Flexible Boundaries

Cavitation mostly known from its negative affects on the operation and performance of marine propellers and rudders and hydraulic machinery components such as pumps and turbines. ...

Read more

Prof. Dr. Khodayar Javadi, Dr.-Ing. Ebrahim Kadivar, Mikhail V. Timoshevskiy M. Sc., Konstantin S. Pervunin M. Sc., Prof. Dr.-Ing. Bettar Ould el MoctarCavitation Control in Marine Engineering and Hydraulic Systems

Cavitation is a physical phenomenon which consists of evaporation, bubble formation and collapse and plays an important role in many technical fields. ...

Read more

Dr.-Ing. Andreas Peters, Youjun Yang, M.Sc. , Rafael Golf, M.Sc. , Prof. Dr.-Ing. Bettar Ould el Moctar Numerische Vorhersage des zeitlichen Verlaufs kavitationsbedingter Erosionsschäden an Schiffspropulsions- und -manövrierorganen

Kavitation und Kavitationserosion gehören zu den Phänomenen mit dem größten Stör- und Schadenspotential für Propulsions- und Manövrierorgane von Schiffen. ...

Read more

M.Sc. Yuxing Lin, Prof. Dr.-Ing. Bettar Ould el MoctarFlow and cavitation induced vibration of Propeller

Marine propellers, hydrodynamic machine and hydrofoils operate often in the cavitation regime, that could cause the material damage, noise, and vibration. ...

Read More

Dr. Ing. Jens Neugebauer, M. Sc. Yan Qi, M. Sc Rafael Golf, Prof. Dr.-Ing. Bettar Ould el MoctarSloshControl - Entwicklung eines geregelten Systems zur Dämpfung kritischer Fluidbewegungen auf Schiffen im Seegang

Gegenstand ist die Entwicklung regelungstechnischer Modelle und numerischer Verfahren sowie deren Validierung mittels physikalischer Modellversuche für die Dämpfung von Sloshing in Schwimmbecken auf Passagierschiffen. . ...

Read More

Dr.-Ing. Jens Neugebauer, Michael Thome M. Sc., Prof. Dr.-Ing. Bettar Ould el MoctarExperimental investigation of the interaction between sloshing, pump tower and tank walls in partially filled tanks

The aim of this project is to gain basic knowledge about the influence of the pump tower on sloshing and sloshing-induced loads on tank walls, and the tower itself, by means of experiments. ...

Read more

Simon Mewes (geb. Burmester) M. Sc., Dr.-Ing. Guilherme Vaz, Prof. Dr.-Ing. Bettar Ould el Moctar Floating Wind Turbines

This research project focuses on the investigation of hydrodynamic damping of a moored semi-submersible floating wind turbine using Reynolds-Averaged Navier-Stokes equations. ...

Read more

Changqing Jiang M. Eng., Prof. Dr.-Ing. Bettar Ould el MoctarNumerical and Experimental Investigations of Hydroelastic Effects of Very Large Moored and Mechanically Coupled Multibody Offshore Floating Structures

The main objective of this project is to further develop and use advanced experimental as well as numerical methods to investigate hydroelastic effects of wave- and current-induced loads on and the associated global structural responses of very large floating structures (VLFSs) moored in shallow waters....

Read more

Benjamin Kossmann M.Sc., Lars Reckers B. Sc., Dr.-Ing. Udo Lantermann, Prof. Dr.-Ing. Bettar Ould el MoctarEntwicklung von Binnenschiffen für extreme Niedrigwasserbedingungen (FlaBi)

Der Einsatz von Binnenschiffen ist eine – bezogen auf die Transportleistung – kostengünstige und umweltfreundliche Art des Gütertransports.
Entwicklung innovativer Propulsionskonzepte, die das Einsatzspektrum von Binnenschiffen für einen Betrieb bei extremem Niedrigwasser erweitern. ...

Read more

Simon Tödter M.Sc., Mathias Tenzer M.Sc., Prof. Dr.-Ing. Bettar Ould el MoctarSlamming

Schiff und Offshore-Strukturen sind in schwerer See hohen wellen-induzierten Stoßlasten ausgesetzt. Diese Slamminglasten können zu lokalen Strukturschäden und zu einer erheblichen Überhöhung der globalen Lasten führen. ...

Read more

M. Sc. Jakob Rzeszutko, Dr.-Ing. Jens Neugebauer, Dr.-Ing. Michael Schröder, M. Sc. Lahbib Zentari, Prof. Dr.-Ing. Bettar Ould el MoctarDevelopment of a multilevel mathematical model for calculating the motion of a ship in six degrees of freedom

The prediction and evaluation of the maneuverability of inland vessels is nowadays becoming increasingly important. External influences such as climate, economy, reconstruction of the waterways and increasing traffic volumes demand new methods and safety standards to be able to react to them. ...

Read more

Simon Mewes (geb. Burmester) M. Sc., Changqing Jiang M. Eng., Dr.-Ing. Udo Lantermann, Dr.-Ing. Jens Neugebauer, Prof. Dr.-Ing. Bettar Ould el MoctarDigitShip

Due to the rapidly advancing automation onboard ships, operators have an extensive database at hand which may be used to assess ships operations. An evaluation of the data offers considerable ...

Read more

Guillermo Chillcce M. Sc., Youjun Yang M. Sc., Dr.-Ing. Jens Neugebauer Prof. Dr.-Ing. Bettar Ould el MoctarFerngesteuertes, koordiniertes Fahren in der Binnenschifffahrt (FernBin)

Im Rahmen des Teilvorhabens werden Methoden zur Fernsteuerung von Binnenschiffen sowie Assistenzsysteme für die ferngesteuerte Schiffsführung entwickelt, validiert und implementiert. ...

Read more

Hassan el Sheshtawy M. Sc., Simon Tödter M. Sc., Prof. Dr. -Ing. Better Ould el MoctarExperimental and Numerical investigation of Vortex induced vibration for a circular cylinder

Vortex induced vibration (VIV), the flow around bluff bodies, which may induce substantial structure vibration, comes under a more general category of the fluid structure interaction (FSI) problems. In marine engineering, ...

Read more

Benjamin Kossmann M.Sc., Dr.-Ing., Christian Noß (BAW), Prof. Dr.-Ing. Bettar Ould el MoctarEntwicklung eines Verfahrens zur Berechnung von Binnenschiffsemissionen (BinEm)

Aufgrund der aktuellen Diskussionen in Zusammenhang mit Luftschadstoffen, und den verschärften Vorschriften bezüglich Abgasemissionen in Europa, hat die Entwicklung und Anwendung von Verfahren zur Vorhersage von Schadstoffen und Emissionen von Schiffen an hoher Bedeutung gewonnen. ...

Read more

Yanxin Feng, M. Eng. , Prof. Dr.-Ing. Bettar Ould el Moctar Hydrodynamic Optimization of Ship Hull with Multi-objective Optimization Algorithms

The International Maritime Organization (IMO) requires that all new ships meet minimum energy efficiency levels according to the Energy Efficiency Design Index (EEDI).

Read more

Malte Riesner M. Eng. , Guillermo Chillcce M. Sc. , Dr.-Ing. Jens Neugebauer , Prof. Dr.-Ing. Bettar Ould el MoctarUntersuchung der dynamischen Stabilität von Binnenschiffen bei Manövriervorgängen“ (BinStabilität)

Im Rahmen des Vorhabens wird systematisch der Einfluss von Schiffsmanövern und begrenzter Wassertiefe auf die Verringerung der dynamischen Stabilität von Binnenschiffen untersucht.

Read more