Design and Validation of an Aeroacoustic Anechoic Test Facility
Abstract
This paper discusses the design and initial validation of a newly constructed aeroacoustic anechoic test facility at the University of Florida. The facility will enable and assist research in the areas of aeroacoustics, structural acoustics, and industrial noise/vibration control. General facility features and characteristics are described and documented. Experimental results focus on the free-field characteristics of the chamber via the ISO 3745 standard and preliminary evaluations of the acoustic data quality for subsonic axisymmetric turbulent jet noise measurements. Initial free-field results comply with the tolerances set by the ISO standard except for a few bands close to the corner containing the chamber door. The preliminary jet noise measurements yield reasonable comparisons to the fine-scale turbulent jet noise similarity spectrum at 90 degrees. The results also reveal the need for acoustic treatment and vibration control of the chamber traverse and fan that supplies supplemental entrainment air.
Document Details
- Document Type
- Technical Report
- Publication Date
- Jun 01, 2002
- Accession Number
- ADA466386
Entities
People
- D. Jansson
- J. P. Hubner
- Joseph P. Mathew
- L. Cattafesta
- M. Sheplak
Organizations
- University of Florida