This data file contains the Lagrangian trajectory data of in total 502775 particles in a lab-scale stirred tank reactor with a volume of 2.8 L and a stirrer frequency is 252 rpm. The time over which the data reaches equals the time necessary for ten stirrer revolutions, hence 2.38 s, starting at 60 s after initialisation of the process. The time difference between two conecutive data points is 0.01 s. For a detailed description of the system, please refer to the publication Weiland, C.; Steuwe, E.; Fitschen, J.; Hoffmann, M.; Schlüter, M.; Padberg-Gehle, K.; von Kameke, A. (2023). Computational study of three-dimensional Lagrangian transport and mixing in a stirred tank reactor. Chemical Engineering Journal Advances. 14. (DOI: https://doi.org/10.1016/j.ceja.2023.100448).

In the .mat-file are three variables: pts, spacingNetworkNodes, and time. The HDF-5 file contains exactly the same data but in a different format.

In time are the 239 saved points in time contained  time = [60 s, 60.01 s, 60.02 s, ..., 62.37 s, 62.38 s]
spacingNetworkNodes is a scalar value referring to the initial distance of each particle to its six nearest neighbours.
pts is a 3 x 502775 x 239 matrix containing the positions of the particles. 
Example 1: pts(:,100000,50) yields a 3 dimensional vector, containing the x-, y-, and z-position of particle number 100000 at the time t = 60.49 s
Example 2: pts(:,100000,:) yields a 3 x 1 x 239 matrix containing the full trajectory of particle 100000 over the full time corresponding to ten stirrer revolutions.


This data file is published under the DOI https://doi.org/10.15480/882.16844

This project is funded by the Deutsche Forschungsgemeinschaft (DFG, German Research Foundation) – SFB 1615 – 503850735.