Numerical prediction of airfoil characteristics in a transonic droplet-laden air flow

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A transonic airfoil moving in an air-water droplet two-phase flow is investigated numerically to study the effect of droplet size and volume fraction. The droplets we consider are in the size 1-100 mu m and the volume fraction is in 0.01%-10%. A compressible two-fluid model is solved by the WAF-HLL scheme developed earlier by the authors which includes drag force, heat transfer, phase change, and droplet fragmentation of the droplets. The numerical results show that the droplet breakup layer can be extended to a later distance as large as about 60% of a chord length at the trailing edge. Also the droplets have made the shock wave dissolved in compression waves and the airfoil performance seriously deteriorated. (C) 2011 Elsevier Ltd. All rights reserved.
Publisher
PERGAMON-ELSEVIER SCIENCE LTD
Issue Date
2012-01
Language
English
Article Type
Article
Keywords

APPROXIMATE JACOBIAN MATRIX; GAS-PARTICLE MIXTURES; SHOCK-WAVE REFLECTION; 2-PHASE FLOW; HLL SCHEME; DUSTY-GAS; MULTIPHASE FLOWS; SIMULATION; DYNAMICS; MODELS

Citation

INTERNATIONAL JOURNAL OF HEAT AND MASS TRANSFER, v.55, no.1-3, pp.453 - 469

ISSN
0017-9310
DOI
10.1016/j.ijheatmasstransfer.2011.09.045
URI
http://hdl.handle.net/10203/96357
Appears in Collection
AE-Journal Papers(저널논문)
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