Preliminary Course Outline 2018

The course runs from Monday (June 4, 2018) to Wednesday (June 6, 2018). All presentations will be given in English. Registration will begin at 8:15 on Monday, in the DLR School Lab (Building 6).

The course is divided in half day lectures and practices. Each course day includes a one hour lunch break and coffee breaks.

Monday, June 4, 2018 (08:15-18:00)

  • Registration (08:15-09:00)
  • Welcome, division into groups
  • Fundamentals: signal processing, aeroacoustic sources and wave propagation, beam-forming, array design, steering vectors
  • Practice
  • Welcome Party at DLR (18:30)

Tuesday, June 5, 2018 (09:00-18:00)

  • Application: aeroacoustic source models, measurements in open and closed test sections, data analysis, hardware requirements, installation of measurement equipment in wind tunnels
  • Practice
  • Dinner at restaurant Bullerjahn (19:30)

Wednesday, June 6, 2018 (09:00-16:30)

  • Practice
  • Advanced techniques and applications: deconvolution, shear layer correction, boundary layer effects, Reynolds number effects,  hydrodynamical and acoustical pressure fluctuations
  • Final discussion


  • Closed test section: background noise, diagonal removal, reflections, flow correction, directivity, typical errors
  • Open test section: haystacking, turbulent scattering, identification of aeroacoustic sources, 3D beamforming
  • Array properties in aeroacoustics: shear layer correction, array layout, point spread function, calibration of microphone positions
  • Demonstration: application and characteristics of deconvolution algorithms, post-processing, discussion