dor_id: 45579

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336.#.#.3: Artículo de Investigación

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351.#.#.b: Journal of Applied Research and Technology

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856.4.0.u: https://jart.icat.unam.mx/index.php/jart/article/view/368/365

100.1.#.a: Vigueras Zuñiga, M.O.; Valera Medina, A.; Syred, N.

524.#.#.a: Vigueras Zuñiga, M.O., et al. (2012). Studies of the Precessing Vortex Core in Swirling Flows. Journal of Applied Research and Technology; Vol. 10 Núm. 5. Recuperado de https://repositorio.unam.mx/contenidos/45579

245.1.0.a: Studies of the Precessing Vortex Core in Swirling Flows

502.#.#.c: Universidad Nacional Autónoma de México

561.1.#.a: Instituto de Ciencias Aplicadas y Tecnología, UNAM

264.#.0.c: 2012

264.#.1.c: 2012-10-01

653.#.#.a: swirling flows; PVC; high speed photography

506.1.#.a: La titularidad de los derechos patrimoniales de esta obra pertenece a las instituciones editoras. Su uso se rige por una licencia Creative Commons BY-NC-SA 4.0 Internacional, https://creativecommons.org/licenses/by-nc-sa/4.0/legalcode.es, para un uso diferente consultar al responsable jurídico del repositorio por medio del correo electrónico gabriel.ascanio@icat.unam.mx

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041.#.7.h: eng

520.3.#.a: Large scale coherent structures play an important role in the behavior of the combustion regime inside any type ofcombustor stabilized by swirl, with special impact on factors such as flame stability, blow off, emissions and theoccurrence of thermo-acoustic oscillations. Lean premixed combustion is widely used and is known to impact many ofthese factors, causing complex interrelationships with any coherent structure formed. Despite the extensiveexperimentation in this matter, the above phenomena are poorly understood. Numerical simulations have been usedto try to explain the development of different regimes, but their extremely complex nature and lack of time dependentvalidation show varied and debatable results. The precessing vortex core (PVC) is a well-known coherent structurewhose development, intensity and occurrence has not been well documented. This paper thus adopts an experimentalapproach to characterize the PVC in a simple swirl burner under combustion conditions so as to reveal the effects ofswirl and other variables on the latter. Aided by a high speed photography (HSP) system, the recognition and extentof several different types of PVCs were observed and discussed.

773.1.#.t: Journal of Applied Research and Technology; Vol. 10 Núm. 5

773.1.#.o: https://jart.icat.unam.mx/index.php/jart

022.#.#.a: ISSN electrónico: 2448-6736; ISSN: 1665-6423

310.#.#.a: Bimestral

264.#.1.b: Instituto de Ciencias Aplicadas y Tecnología, UNAM

doi: https://doi.org/10.22201/icat.16656423.2012.10.5.368

harvesting_date: 2023-11-08 13:10:00.0

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Artículo

Studies of the Precessing Vortex Core in Swirling Flows

Vigueras Zuñiga, M.O.; Valera Medina, A.; Syred, N.

Instituto de Ciencias Aplicadas y Tecnología, UNAM, publicado en Journal of Applied Research and Technology, y cosechado de Revistas UNAM

Licencia de uso

Procedencia del contenido

Cita

Vigueras Zuñiga, M.O., et al. (2012). Studies of the Precessing Vortex Core in Swirling Flows. Journal of Applied Research and Technology; Vol. 10 Núm. 5. Recuperado de https://repositorio.unam.mx/contenidos/45579

Descripción del recurso

Autor(es)
Vigueras Zuñiga, M.O.; Valera Medina, A.; Syred, N.
Tipo
Artículo de Investigación
Área del conocimiento
Ingenierías
Título
Studies of the Precessing Vortex Core in Swirling Flows
Fecha
2012-10-01
Resumen
Large scale coherent structures play an important role in the behavior of the combustion regime inside any type ofcombustor stabilized by swirl, with special impact on factors such as flame stability, blow off, emissions and theoccurrence of thermo-acoustic oscillations. Lean premixed combustion is widely used and is known to impact many ofthese factors, causing complex interrelationships with any coherent structure formed. Despite the extensiveexperimentation in this matter, the above phenomena are poorly understood. Numerical simulations have been usedto try to explain the development of different regimes, but their extremely complex nature and lack of time dependentvalidation show varied and debatable results. The precessing vortex core (PVC) is a well-known coherent structurewhose development, intensity and occurrence has not been well documented. This paper thus adopts an experimentalapproach to characterize the PVC in a simple swirl burner under combustion conditions so as to reveal the effects ofswirl and other variables on the latter. Aided by a high speed photography (HSP) system, the recognition and extentof several different types of PVCs were observed and discussed.
Tema
swirling flows; PVC; high speed photography
Idioma
eng
ISSN
ISSN electrónico: 2448-6736; ISSN: 1665-6423

Enlaces