Turbulence prediction using the large eddy simulation method in staggered and inlined bundles /
as switching effects. Inlined array simulations was also
| Main Author: | |
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| Format: | Thesis eBook |
| Language: | English |
| Published: |
[Place of publication not identified] :
[publisher not identified] ;
1994.
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| Subjects: | |
| Online Access: | Link to OAKTrust copy |
| Summary: | as switching effects. Inlined array simulations was also been made both experimentally and computationally. The need bundle flow for the inlet/outlet simulation case. The results compared to that of experimental data. Reasonable agreement computational technique has been used to study fluid flow cost of experimental studies. Also, the amount of dimensions (27,412 nodes) and three-dimensions (210,600 distinction of different characteristics within the flow such Due to the high probability of tube fracture within bundles eddy simulation may be defined as any simulation of a effects of the small scale motions onto the large scale engineering tool with the careful consideration of the explicitly resolved while the small scale motions are flow are a major concern in the power industry. Extensive for computational studies have risen due to the expensive has recently been introduced by Lee that modified the in heat exchangers, the study of the effects of turbulent indicate that the large eddy simulation technique is capable information available for a computational study is more than inlet/outlet simulation (57,600 nodes), and results were method used is the large eddy simulation technique. Large modeled. This results into a system of equations that models, two different geometric arrangements were used in the motions. There have been several models developed, the most nodes). Comparisons were made to available experimental data observations of the jet switching effects in the wake of the of turbulence prediction and may be used as a viable performed for a deep bundle (10,816 nodes) as well as an phenomena in tube bundles of different geometries. The popular is the Smagorinsky eddy viscosity model. A new model require closure models. The closure models relate the simulation of turbulent cross flow within rigid tube bundles. Smagorinsky model. Using both of the above mentioned closure Staggered arrays were used in deep bundle simulations of two- studies to understand turbulent flow characteristics have subgrid scale model. that of an experimental study. In this investigation a turbulent flow in which the large scale motions are was obtained. Here too, flow characteristics provided with good agreement. Flow visualization enabled the |
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| Item Description: | "Major subject: Nuclear Engineering". Vita. |
| Physical Description: | xiv, 121 leaves : illustrations ; 28 cm. Also available online. |
| Bibliography: | Includes bibliographical references. |