Characterization of Upstream Mixing Cavities and a Downstream Combustion Cavity in Supersonic Flow
Language: English
Published by Creative Media Partners, LLC Sep 2012, 2012
- Softcover
- New
Seller: AHA-BUCH GmbH, Einbeck, GermanyAHA-BUCH GmbH
AbeBooks seller since August 14, 2006
Condition: New
£ 28.15
Quantity: 2 available
Add to basketItem description from seller
Neuware - A key area of study in air-breathing hydrocarbon-fueled scramjet combustors is the characterization of cavity-based fuel injection and flame holding. One issue concerns oscillatory disturbances caused by trapped vortices in the main flame holder cavity as a fuel-air mixing enhancement technique. Previous research demonstrates that oscillatory disturbances can be carried downstream via the shear layer and alter the oscillatory characteristics of a downstream cavity. This study investigates the mixing effectiveness of three upstream direct-fueled mixing cavities as well as the effect on the oscillatory behavior of the downstream combustion cavity by the upstream mixing cavity. The three upstream mixing cavities are characterized in Mach 2 freestream flow with injection at three locations within each cavity. Non-intrusive visual data are collected using the nitric oxide (NO) Planar Laser Induced Fluorescence (PLIF) diagnostic technique to characterize mixing and shear layer influence. High frequency response pressure transducers measure pressure fluctuations in both the upstream and downstream cavities for comparative analysis. Injection at the upstream wall of the cavity provided greater penetration height into the freestream as well as faster mixing with the freestream compared to injection at the center or aft wall of the cavity. The pressure oscillations in each cavity showed strong similarities; however, the amplitudes of the frequencies were too small to be effective in lifting mass into the freestream.…
Seller Inventory # 9781249450276
- Title
- Characterization of Upstream Mixing Cavities and a Downstream Combustion Cavity in Supersonic Flow
- Author
- Adam P Quick
- Publisher
- Creative Media Partners, LLC Sep 2012
- Publication year
- 2012
- Condition
- Neu
- Binding
- Taschenbuch
- Language
- English
- ISBN 10
- 1249450276
- ISBN 13
- 9781249450276
- Item weight
- 191 grams
- Dimensions
- 234x156x7 mm
"Synopsis" may belong to another edition of this title.
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