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Detection of geometric changes with resonance

Martin Rogner

Martin Rogner

A process to detect sediments and scaling in tubes should be analysed. Until now, there is not a system to detect the amount of scaling as well as the need of cleaning. The use of such a system is intended for optimization of cleaning processes which needs expensive equipment and takes a long time. The document describes how the system behaviour can be illustrated with computer simulations. The measurements are already known from the system theory and is used to confirm the simulation. Furthermore measurements are made to illustrate the system behaviour in case of geometry changes. Finally this measurement showes that the amount of scaling cannot be recognized with resonances.

Figure 1: The simulation of an empty tube

Figure 1: The simulation of an empty tube

Figure 2: Scaling of tubes

Figure 2: Scaling of tubes

August 2017