1. Helmholtz-Zentrum Dresden-RossendorfInstitute of Fluid Dynamics Bautzner Landstraße 400 01328 Dresden Germany
2. Technische Universität DresdenInstitute of Process Engineering and Environmental Technology 01062 Dresden Germany
3. Paul Scherrer InstitutLaboratory for Neutron Scattering and Imaging Forschungsstraße 111 5232 Villigen Switzerland