Velocity Measurements on Isothermal Sudden Expanding Swirling Flow in an Industrial Burner With Bluff-Body

Update item information
Title Velocity Measurements on Isothermal Sudden Expanding Swirling Flow in an Industrial Burner With Bluff-Body
Creator Yang, Shyh-Ching; Juang, Ruey-Shin; Chang, Wen-Chen; Chen, Jen-Shien
Publisher Digitized by J. Willard Marriott Library, University of Utah
Date 1989
Spatial Coverage presented at Short Hills, New Jersey
Abstract This paper describes two-dimensional back-scatter laser-Doppler anemometer mesurements in confined isothermal and nonreactiog sudden expanding swirling air flow. A swirling air flow, with an inlet swirl number of 2.0 is generated by an axial vane swirl generator. The swirling f1ow enters a 0.4 m diameter, 4 m long cylindrical chamber via a sudden expansion quarrel. The confine ratio equals to 2.1. The blockage ratio of the bluff-body equals to 0.5. The Reynolds number of the air is 5.0 x 10^4. Simultaneously axial and · azimuthal, mean and fluctuating velocity measurements were made by using laser-Doppler anemometer (LOA) system. It is found that the maximum reverse-flow rate occurs at about 0.50 furnace diameter with 60% of the inlet mass flow recirculated. Some quantitative information, such as the size, shape and the intensity of the central recirculation zone, axial distribution of energy flux were provided.
Type Text
Format application/pdf
Language eng
Rights This material may be protected by copyright. Permission required for use in any form. For further information please contact the American Flame Research Committee.
Conversion Specifications Original scanned with Canon EOS-1Ds Mark II, 16.7 megapixel digital camera and saved as 400 ppi uncompressed TIFF, 16 bit depth.
Scanning Technician Cliodhna Davis
Metadata Cataloger Kendra Yates
ARK ark:/87278/s6474dd1
Setname uu_afrc
Date Created 2012-04-20
Date Modified 2012-09-20
ID 5609
Reference URL https://collections.lib.utah.edu/ark:/87278/s6474dd1