Fan Noise Reduction : An Overview
- Envia, Edmane
- February 2001.
- Physical Description:
- 1 electronic document
- Restrictions on Access:
- Unclassified, Unlimited, Publicly available. and Free-to-read Unrestricted online access
- Fan noise reduction technologies developed as part of the engine noise reduction element of the Advanced Subsonic Technology Program are reviewed. Developments in low-noise fan stage design, swept and leaned outlet guide vanes, active noise control, fan flow management, and scarfed inlet are discussed. In each case, a description of the method is presented and, where available, representative results and general conclusions are discussed. The review concludes with a summary of the accomplishments of the AST-sponsored fan noise reduction research and a few thoughts on future work.
- NASA Technical Reports Server (NTRS) Collection.
- Document ID: 20010048405., NAS 1.15:210699., E-12630., AIAA Paper 2001-0661., NASA/TM-2001-210699., and 39th Aerospace Sciences Meeting and Exhibit; 8-11 Jan. 2001; Reno, NV; United States.
- No Copyright.
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