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J4  2012, Vol. 46 Issue (4): 604-609    DOI: 10.3785/j.issn.1008-973X.2012.04.005
Transverse phase profile characteristics of oscillatory pipe flow
TANG Ke, ZHANG Yu, TANG Wen-tao, JIN Tao
Institute of Refrigeration and Cryogenics, Zhejiang University, Hangzhou 310027, China
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Numerical simulation method was used to model and analyze the compressible oscillatory flow inside parallel plate channel in order to study the transverse velocity phase profile characteristics. The variation of velocity phase and its influence on the velocity profiles at the channel cross-section were investigated by comparing the velocity oscillations at different positions of the channel crosssection, and also by comparing the velocity profiles at different phase angles in a period. A qualitative discussion focused on the impact of Valensi number Va and maximum Reynolds number Remax on the phase profile characteristics based on the typical simulation results. An index parameter, crosssectional average phase difference (CAPD), was proposed to quantitatively describe the phase profile characteristics. The impact of Va and Remax on the phase profile characteristics was further quantitatively analyzed with the aid of index parameter CAPD. The analysis indicates that CAPD increases with a rise in Va, which has more significant influence on the transverse velocity phase profiles than Remax.

Published: 17 May 2012
CLC:  TB 651  
  TB 126  
Cite this article:

TANG Ke, ZHANG Yu, TANG Wen-tao, JIN Tao. Transverse phase profile characteristics of oscillatory pipe flow. J4, 2012, 46(4): 604-609.

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