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RESEARCH PAPERS

An Investigation of the Propagation of Pressure Perturbations in Bubbly Air/Water Flows

[+] Author and Article Information
A. E. Ruggles, H. A. Scarton

Department of Mechanical Engineering, Aeronautical Engineering & Mechanics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

R. T. Lahey

Department of Nuclear Engineering & Engineering Physics, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

D. A. Drew

Department of Mathematical Sciences, Rensselaer Polytechnic Institute, Troy, NY 12180-3590

J. Heat Transfer 110(2), 494-499 (May 01, 1988) (6 pages) doi:10.1115/1.3250513 History: Received October 27, 1986; Online October 20, 2009

Abstract

Dispersion and attenuation was measured for standing waves in a vertical waveguide filled with a bubbly air/water mixture. The propagation speed of pressure pulses was also measured. The data were compared with a two-fluid model for a range of values of the virtual volume coefficient, CVM . The experimentally determined CVM was found to be a function of global void fraction (〈α〉). Moreover it was noted that this CVM was less strongly related to void fraction than those proposed by Zuber (1964) and Van Wijngaarden (1976).

Copyright © 1988 by ASME
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