Efficient by combining relevant knowledge
Cold brew coffee machine
By systematically varying certain parameters, we found a design for a machine that shortens the brewing process from 24 hours to a mere 3 hours – all without the addition of heat. In our approach, we preserved the core of the cold brew process. The additional advantage is that there is less oxidation, which further increases the quality of the coffee. By means of our design, we demonstrated the technical feasibility.
Advanced cutting machine for plastic modules
The machine has three functional parts that work with linear actuators. An input line connected to a robotic grabber automatically positions the modules on the cutting machine at high speed. The second part clamps, cuts and measures the modules with 0.1 mm accuracy. The machine detects the length of the module and determines where it should cut exactly. A third function of the machine is the automatic switching to different blades from a repository.
Innovative marine propulsion
Finprop is a machine that improves ship propulsion through lower energy consumption and better manoeuvrability. Its design uses a single drive shaft to simulate the movement of a fishtail in a large parameter range. The hydrodynamic efficiency gain of this new type of marine propulsion has been measured to be 22% within realistic constraints and with respect to realistic benchmarks. Finprop started as a technological and scientific development, carried out for AP Moller Maersk. At a later point, Marin and Wärtsilä joined the project as well.
Little was initially known about the best parameter range for a fishtail drive, so a measuring program was used to determine the optimum operating range. This required an adjustable system, which could at the same time be used as an accurate measuring device. The parameters that could be varied were the forward velocity, frequency of the fishtail movement, degree of rotation of the fin, distance between fins, shape of the fin, degree of uniform rotation and bending of the fins. The measurements resulted in a scientific publication: A Systematic Experimental Study on Powering Perfor-mance of Flapping Foil Propulsors