Strömungsmechanik Vernetzung

Prof. Dr.-Ing. Christoph Egbers
FG Aerodynamik und Strömungslehre
Fakultät 3

EUHIT-project (FP8): Cottbus Geophysical Experiment Facility (CoGeoF)

Experiments on rotating platforms suited for applications in the geophysical context:

  • Rotating differentially heated annulus to study geostrophic turbulence,
  • Inertial wave tanks to study wave turbulence relevant in the geophysical and astrophysical context, two different geometries (annulus and spherical shell) allow a flexible experimental design,
  • Taylor-Couette-System with a flexible design to study turbulence with astrophysical applications,
  • Measurement systems: stereo PIV (Dantec), Tomo PIV (Dantec), LIF (Dantec), LDA, infrared thermography (Infratec), the facilities can provide simultaneous thermography/PIV, LIF/PIV measurements.
  • Closed-return air pipe facility with constant temperature conditions, high spatial resolution (up to 300mm) at high turbulence levels (Karman number R+=1.9∙104), 27 m long measurement tunnel with movable measurement subsections of 0.25, 0.5, 0.75 and 2m length respectively, optical assessment of the tunnel,
  • Measurement techniques: HWA, LDA, PIV, pressure probes, surface microphones

"CoGeoF and CoLaPipeF have been established by the BTU Cottbus, Department of Aerodynamics and Fluid Mechanics within the Center of Flow and Transport Modeling and Measurement (CFTM2). CoGeoF and CoLaPipeF are part of the Fluid-Center located on the Campus of the Technical University Cottbus. The Fluid-Center is operational since 2004. The investment costs were 2.5 Mio Euro for the experimental hall including offices and repair and assembling shops. The CFTM2 was founded 2008 as an initiative to bundle the BTU activities on fluid transport processes and to promote the interdisciplinary exchange within the University and with the industry. Guest apartments for visiting scientists are located close to the University Campus".