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Investigation on Flow Mechanism of Secondary Erosion FREE

[+] Author Affiliations
Zhiguang Ling

Shanghai University of Engineering Science, Shanghai, China

Yiqing Yuan

South-East University of China, Nanjing, China

Paper No. 91-GT-383, pp. V003T05A017; 6 pages
doi:10.1115/91-GT-383
From:
  • ASME 1991 International Gas Turbine and Aeroengine Congress and Exposition
  • Volume 3: Coal, Biomass and Alternative Fuels; Combustion and Fuels; Oil and Gas Applications; Cycle Innovations
  • Orlando, Florida, USA, June 3–6, 1991
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7900-9
  • Copyright © 1991 by ASME

abstract

Secondary erosion caused by particulate flow is a new research direction. On the basis of numerical analysis of the trajectory of particle motion in rotating gas flow, its equilibrium condition and causes of aggregation, a physical flow model of secondary erosion is suggested. By this model the mechanism of secondary erosion caused by particulate gas flow could be primarily explained. The vortex chamber experiment verifies the particle aggregation tendency in vortex flow and the experiment of particle deposition in bending tube proves in certain extent the correctness of the suggested model.

Copyright © 1991 by ASME
This article is only available in the PDF format.

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