• Stage / Internship
  • Overal

We are looking for a suitable candidate for the following thesis project titled:

Simulation and experimental validation of high-speed impactor actuator for new Multiphase Wave Lab
A unique Multiphase Wave Lab (MWL) is being established by the Sloshing of Liquefied Natural Gas (SLING) research project to examine sloshing impacts in LNG tanks. SLING is a major public-private cooperation that has been created through the NWO ‘Perspective Programme’. The SLING consortium comprises the technology foundation NWO, four top Dutch universities, representatives from the LNG, shipping and shipbuilding industry, engineering companies and MARIN.

SLING consortium

The project comprises of simulation of the dynamics of the impactor and experimental validation of the results.
The impactor assembly is mounted on the front top part of the autoclave, and its main function is to perform impact tests of discs and wedges to liquid surface in the range of conditions of the controlled environment inside the autoclave. It consists of the rack and pinion gear driven by the servo system which precisely controls the motion of the impactor in the range of velocities from 3-8 m/s.  The controlled environment consists of test conditions ranging from a temperature of 15 °C to 170 °C, a pressure of 5 mbar(a) and 8 bar(a) and gas composition consisting of precisely controlled mixtures of helium, nitrogen, sulphur hexafluoride (SF6) and/or steam, the liquid being water in all cases.

Multi-Phase Wave Lab – a world first

The goal of the thesis is to create a model of the dynamic behavior of the impactor actuator in order to give the first input to design parameters and later validate and improve the model once the impactor is constructed. In this way, the digital twin of the impactor assembly should be created at the end of the thesis.

Impactor assembly concept
The internship is for the duration of 9 months. The start date of the internship period can be determined in consultation with the supervisors.
The profile

  • Master student in Mechanical Engineering, Control Engineering, Marine Technology, or other related fields
  • Interest in control systems and dynamic modelling
  • Knowledge of programming in Matlab and/or Python and modeling in Simulink.

Department and supervisor
During the internship, you will be connected with the department T&M of MARIN. The supervisor for this internship, Vladimir Novakovic, is working as Project Manager at the Performance at Sea Department.
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