Numerical Simulation-Aided Parametric Analysis of Natural Convection in a Roof of Triangular Enclosures
| Autor: | S. C. Tzeng, J. H. Liou, R. Y. Jou |
|---|---|
| Rok vydání: | 2005 |
| Předmět: |
Fluid Flow and Transfer Processes
Partial differential equation Natural convection Computer simulation business.industry Mechanical Engineering Numerical analysis Mathematical analysis Heat transfer coefficient Computational fluid dynamics Condensed Matter Physics Physics::Fluid Dynamics Algebraic equation business Numerical partial differential equations Mathematics |
| Zdroj: | Heat Transfer Engineering. 26:69-79 |
| ISSN: | 1521-0537 0145-7632 |
| DOI: | 10.1080/01457630591003899 |
| Popis: | This work applies an effective and efficient method, called Numerical Simulation-Aided Parametric Analysis (NSAPA), to derive simple and accurate correlation formulae for a natural convective flow system. The classical natural convection in roofs of triangular enclosures is considered to demonstrate the effectiveness of the approach. The buoyancy force generated by the temperature gradient generates a flow pattern. The NSAPA technique derives a set of algebraic equations in characteristic quantities from mass, momentum, and energy conservative equations for natural convection inside a triangular enclosure. The main advantage of the NSAPA technique is that solving the set of algebraic equations is easier than solving the original system of partial differential equations using a numerical method used in computational fluid dynamics. The heat transfer coefficients can be derived using these characteristic quantities. The numerical solution determines the constant factors of the characteristic velocities, the... |
| Databáze: | OpenAIRE |
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