Particle Mass Loading Effect on a Two?Phase Turbulent Downward Jet Flow
Journal
Particle & Particle Systems Characterization
Journal Volume
10
Journal Issue
4
Pages
173-181
Date Issued
1993
Author(s)
Abstract
Abstract The particle mass loading effect on the flow structure of a two?phase turbulent jet flow was studied. A particle mass loading ratio ranging from 0 to 3.6 was used as the control parameter. The polystyrene solid particles used had nominal diameters of 210 and 780 �gm. The flow Reynolds number, which was based on the pipe nozzle diameter and the fluid?phase centerline mean velocity, was 2 �� 10 4 in the current test. A two?color laser Doppler anemometer (LDA), combined with the amplitude discrimination method and the velocity filter method, was employed to measure the mean velocity distributions for the particle and fluid phases, and the turbulent intensities and Reynolds stresses of the flow. The two?phase jet flow field was measured from the initial pipe exit to 90 D downstream. Another one?component He?Ne laser LDA system was also applied to obtain the energy spectra and temporal correlations of the two?phase jet flow.
Type
journal article