Volume 11, Issue 2 (9-2011)                   Modares Mechanical Engineering 2011, 11(2): 107-118 | Back to browse issues page

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faramarzi B, ansari M. Hydrodynamic Instability Criterion of Two-Phase Flow Using PFM Model. Modares Mechanical Engineering 2011; 11 (2) :107-118
URL: http://mme.modares.ac.ir/article-15-6257-en.html
1- piroozi .st. 3rd nirooye havayi. 3.22. no33
2- -
Abstract:   (5852 Views)
Abstract: Applications of two-phase flow in nuclear power plants, transmission lines, oil and gas have been considered in recent decades. Different models have been introduced that can contribute to the current two-phase flow approach to numerical analysis. Two-fluid model is the most widely used and most accurate model for predicting two-phase flow in channels during different regimes of unstable flow. This study addressed the PFM model Hyperbolicity. Hyperbolicity of this model is the most important for the well-posed condition; otherwise the model is in ill-posed condition and the results are unstable numerically. Hydrodynamic instability of two-phase gas-liquid by using the PFM model is calculated and discussed.
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Received: 2010/07/25 | Accepted: 2011/06/18 | Published: 2011/09/14

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