Decomposition of the Scalar Field in a Turbulent Jet Flow

Beschreibung

In the present work, a detailed experimental analysis of geometries called dissipation elements and of the turbulent/non-turbulent interface of a scalar field is conducted. To this end, three-dimensional measurements of the mass fraction ? of propane discharging into coflowing CO2 from a turbulent round jet using a high-speed Rayleigh scattering technique have been performed. This procedure allows to acquire highly resolved two-dimensional data at nozzle based Reynolds numbers Re0 between 3,000-18,440 and in combination with Taylor’s hypothesis three-dimensional data up to Re0=8,600, see chapter two for details.

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Markus Gampert

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Energietechnik Ingenieurwissenschaften Strömungstechnik

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