Noise sources of an unconfined and a confined swirl burner

The sound sources of an unconfined and a confined swirl burner are investigated by a two-step approach. The Reynolds number based on the injector diameter downstream of the swirler is ReD = 8800 and the swirl number is S = 0.73. First, the conservation equations of a compressible fluid are solved to...

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Veröffentlicht in:	Journal of sound and vibration 2020-06, Vol.475, p.115293, Article 115293
Hauptverfasser:	Pausch, Konrad, Herff, Sohel, Schröder, Wolfgang
Format:	Artikel
Sprache:	eng
Schlagworte:	Acoustic noise Acoustics Aerodynamics Combustion instabilities Combustion noise Compressible fluids Computational aeroacoustics Computational fluid dynamics Computer simulation Conservation equations Flame propagation Flame retardants Fluid flow Heat transfer Mathematical analysis Perturbation methods Reacting flow Reynolds number Sound Sound fields Sound pressure Sound sources Swirl flames Thermoacoustics
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