| Lien | https://asmedigitalcollection.asme.org/GT/proceedings/GT1990/79061/V003T06A021/238061 |
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| Auteur | Rechercher : Lal, M. K. Y.; Rechercher : D'Souza, M. V.; Rechercher : Campbell, Ian G.1; Rechercher : Smallwood, Gregory J.2; Rechercher : Snelling, David R.2 |
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| Affiliation | - Conseil national de recherches du Canada. Institut de recherche aérospatiale du CNRC
- Conseil national de recherches du Canada. Institut de technologie des procédés chimiques et de l'environnement du CNRC
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| Format | Texte, Article |
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| Conférence | ASME 1990 International Gas Turbine and Aeroengine Congress and Exposition, June 11-14, 1990, Brussels, Belgium |
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| Sujet | flow (dynamics); carbon dioxide; flow visualization; fuels; laser doppler anemometry; lasers; unsteady flow; vortex shedding; bluff bodies; combustible flow; computational fluid dynamics; isothermal flow; numerical flow visualization; carbon dioxide concentration; laser doppler velocimeters; recirculative fluid flow; turbulence models |
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| Résumé | The paper describes a preliminary assessment of a TEACH-based mathematical model, known as TURCOM, for isothermal flow past a confined bluff-body. The assessment is based on comparisons of numerical predictions with the experimental data. Laser Doppler Velocimetry (LDV) and gas analysis were used to measure radial profiles of axial velocity and CO₂ concentration. Laser sheet illumination was employed to study the gross features of the flow.
Depending on the jet velocity ratio, two or three recirculation zones and two well-defined stagnation points along the centerline were predicted. Agreement between the predictions and experimental data were reasonably good, but the axial location of the fuel stagnation point was under-estimated when compared with the LDV data. Flow visualization indicated vortex shedding off the edges of the bluff body, an unsteady flow phenomenon that neither TURCOM prediction nor LDV measurements could identify. |
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| Date de publication | 1990 |
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| Maison d’édition | The American Society of Mechanical Engineers |
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| Dans | |
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| Langue | anglais |
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| Publications évaluées par des pairs | Oui |
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| Numéro du CNRC | NRCC 51471 |
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| Numéro NPARC | 3740513 |
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| Exporter la notice | Exporter en format RIS |
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| Signaler une correction | Signaler une correction (s'ouvre dans un nouvel onglet) |
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| Identificateur de l’enregistrement | b1eef627-beec-46b3-9922-96a885bcb20e |
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| Enregistrement créé | 2009-09-03 |
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| Enregistrement modifié | 2023-12-06 |
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