Gas Phase Turbulence Modification with Fine Particles in 2-D Duct Flow

by Jane Davidson, Colorado State Univ, Fort Collins, United States,
Markus Ritsch, Colorado State Univ, Fort Collins, United States,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond


The effect of a dilute suspension of fine particles on a two-dimensional turbulent duct gas flow is measured with hot-film anemometry. The flow field without particles is compared to the two-phase flow with particles sizes and mass loadings typically found at the exit of industrial electrostatic precipitators. Measurements of streamwise mean velocities, turbulence intensities, power spectra and integral length scales are presented. This preliminary paper explains the background of the problem under study and gives a brief description of the experimental facility and methodology.

Subject Headings: Gas flow | Two-dimensional flow | Turbulence | Particles | Duct | Turbulent flow | Flow measurement | Solids flow

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