Natural convection in a partially heat generating rod bundle inside an enclosure
| Autor: | Sarit K. Das, S. P. Venkateshan, Tanmay Basak, D. Jaya Krishna, M. R. Thansekhar |
|---|---|
| Jazyk: | angličtina |
| Rok vydání: | 2010 |
| Předmět: |
Flow physics
Buoyancy Materials science Parametric study Enclosure Thermodynamics Experimental studies Numerical simulation engineering.material Physics::Fluid Dynamics Thermal hydraulics Non-Darcy porous medium Tall cavity General Materials Science Porous materials Cooling rates Porous Media Natural convection Mechanical Engineering Heat generation Partially heat generating enclosure Mechanics Buoyancy induced flow Condensed Matter Physics Power input Enclosures Mechanics of Materials Bundle Pitch-to-diameter ratios Heat transfer engineering Rod bundles Porous medium |
| Zdroj: | IndraStra Global. |
| ISSN: | 2381-3652 |
| Popis: | Buoyancy induced flows in a partially heat generating rod bundle enclosed inside a tall cavity are investigated. First, a detailed experimental study is carried out, and the thermal hydraulics is analyzed at different power inputs and boundary cooling rates of the enclosure. Later, a generalized non-Darcy simulation is developed using a heat generating orthotropic porous media approach and is compared with the experimental results. The results of a numerical simulation for natural convection in enclosed partially heat generating rod bundles satisfactorily predict the temperature distribution within the rod bundle. Finally, a parametric study is carried out by varying the porosity (pitch to diameter ratio of the rod bundle) of the considered enclosure for the understanding of flow physics and heat transfer in such applications. Copyright � 2010 by ASME. |
| Databáze: | OpenAIRE |
| Externí odkaz: |
|