Scientific and Technical Aerospace Reports PDF Download

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Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 500

Book Description

Scientific and Technical Aerospace Reports

Scientific and Technical Aerospace Reports PDF Author:
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 500

Book Description

ASME Technical Papers

ASME Technical Papers PDF Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 438

Book Description

Turbojet Engine Noise Reduction with Mixing Nozzle-ejector Combinations

Turbojet Engine Noise Reduction with Mixing Nozzle-ejector Combinations PDF Author: Willard D. Coles
Publisher:
ISBN:
Category : Airplanes
Languages : en
Pages : 652

Book Description
Several noise suppressors consisting of combinations of mixing nozzles and ejectors were tested on two full-scale turbojet engines. Maximum sound pressure level reductions of 12 decibels and sound power level reductions of 8 decibels were obtained. The ejectors provided 3 to 5 decibels of the sound power reduction. The effects of ejector dimensions on noise suppression and engine performance were investigated. Ejector lengths of approximately 2.0 standard nozzle diameters and ejector diameters larger than 1.6 standard nozzle diameters provided the greatest additional noise reduction to that obtained with the mixing nozzles alone. The ejector can restore the static thrust loss caused by use of the mixing nozzle or can provide static-thrust augmentation.

Technical Note - National Advisory Committee for Aeronautics

Technical Note - National Advisory Committee for Aeronautics PDF Author: United States. National Advisory Committee for Aeronautics
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 1160

Book Description

Paper

Paper PDF Author:
Publisher:
ISBN:
Category : Mechanical engineering
Languages : en
Pages : 452

Book Description

Proceedings of the ASME Turbo Expo ...

Proceedings of the ASME Turbo Expo ... PDF Author:
Publisher:
ISBN:
Category : Gas-turbines
Languages : en
Pages : 826

Book Description

NASA Scientific and Technical Reports

NASA Scientific and Technical Reports PDF Author: United States. National Aeronautics and Space Administration Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 966

Book Description

A Selected Listing of NASA Scientific and Technical Reports

A Selected Listing of NASA Scientific and Technical Reports PDF Author: United States. National Aeronautics and Space Administration. Scientific and Technical Information Division
Publisher:
ISBN:
Category : Aeronautics
Languages : en
Pages : 962

Book Description

Government Reports Annual Index

Government Reports Annual Index PDF Author:
Publisher:
ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 1428

Book Description

Technical Reports Awareness Circular : TRAC.

Technical Reports Awareness Circular : TRAC. PDF Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 560

Book Description

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