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Keywords: bubbles
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2008, 130(1): 011301.
Published Online: January 8, 2008
... bundles subjected to two-phase cross flow are required to understand the underlying vibration excitation mechanisms. Some of this work has already been done. The distributions of both void fraction and bubble velocity in rotated-triangular tube bundles were obtained. Somewhat unexpected but significant...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2007, 129(4): 567–575.
Published Online: November 28, 2006
...Ken Uchida; Seijiro Suzuki This paper presents a numerical and qualitative study on the expected hydrodynamic load-reducing effect of bubbly medium near a volumetrically oscillating bubble. In this study, the bubble or bubble cloud is assumed to be spherically symmetric, and its motion is analyzed...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2007, 129(4): 576–582.
Published Online: September 14, 2006
... models. The predicted erosion rates obtained by the mechanistic model are compared to experimental data available in the literature showing a reasonably good agreement. 08 03 2006 14 09 2006 bubbles erosion maintenance engineering multiphase flow Transportation of fluid...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. February 2007, 129(1): 14–20.
Published Online: April 15, 2006
.... For cases (c) and (d), the dimensionless pressure amplitude of the acoustic mode reaches a maximum at a Strouhal number similar to that of the turbulence broadband peak measured in the separation bubble downstream of the T-junction corner. Cases (a) and (b) exhibit a different type of flow-acoustic coupling...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2005, 127(4): 479–486.
Published Online: June 9, 2005
... efficiency across a wide range of production conditions. The model presented is divided into two main parts, the single-phase flow-field solution and the bubble-tracking method. The first part of the model solves the single-phase liquid flow field using the computational fluid dynamics approach...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Pressure Vessel Technol. November 2005, 127(4): 495–501.
Published Online: April 4, 2005
...Ken Uchida; Takeshi Shimizu; Mitsuo Komuro This paper presents a study of the applicability of the VOF (volume of fluid) method to estimation of dynamic load in a water pool induced by oscillation of bubbles that are ejected through sparger holes. We choose the VOF method to simulate...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Pressure Vessel Technol. November 2001, 123(4): 510–516.
Published Online: May 23, 2001
...Akio Tomiyama; Naoki Shimada A numerical method based on an N + 1 -fluid model is proposed for the prediction of a three-dimensional unsteady turbulent bubbly flow with nonuniform bubble sizes. Among the N + 1 fluids, one fluid corresponds to the liquid phase and the N fluids to bubbles. The model...