Investigations into fluidic injection for jet noise reduction began
over 50 years ago. Studies have included water and air injection
for the reduction of noise in scale model jets and jet engines and
water injection for the reduction of excess overpressures on the
Space Shuttle at lift-off. Injection systems have included high
pressure microjets as well as larger scale injectors operating at
pressures that can be achieved in real jet engines. An historical
perspective highlighting noise reduction potential is presented for
injection concepts investigated over the last 50 years. Results
from recent investigations conducted at NASA are presented for
supersonic and subsonic dual-stream jets. The noise reduction
benefits achieved through fluidic contouring using an azimuthally
controlled nozzle will be discussed.
General
Imprint: |
Bibliogov
|
Country of origin: |
United States |
Release date: |
June 2013 |
First published: |
June 2013 |
Authors: |
Brenda Henderson
|
Dimensions: |
246 x 189 x 3mm (L x W x T) |
Format: |
Paperback - Trade
|
Pages: |
48 |
ISBN-13: |
978-1-289-05758-9 |
Categories: |
Books >
Social sciences >
Politics & government >
General
|
LSN: |
1-289-05758-3 |
Barcode: |
9781289057589 |
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