Numerical studies on laminar, transitional and turbulent convective airflows in channels with generalised geometry, including applications to thermal-ventilation passive systems
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Mostrar el registro completo del ítemGrupo de investigación
Mecánica de Fluidos e Ingeniería TérmicaÁrea de conocimiento
Mecánica de FluidosFecha de publicación
2011Editorial
Universidad Politécnica de CartagenaCita bibliográfica
ZAMORA, Blas, KAISER, Antonio S. Numerical studies on laminar, transitional and turbulent convective airflows in channels with generalised geometry, including applications to thermal-ventilation passive systems. Technology and Knowledge Transfer e-Bulletin, vol.2, no.1: 1-5 p. 2011. ISSN 2172-0436Palabras clave
Convección naturalFlujos turbulentos
Muro Trombe
Chimenea solar
Arquitectura bioclimática
Natural convection
Turbulent flow
Trombe Wall
Solar chimney
Bioclimatic architecture
Resumen
The flows induced by natural convection appear in many engineering problems. Configurations formed by heated plates where these processes occur, were the topic of intense study in past years. However, new systems with a different constructive disposition and applications in several fields (bioclimatic architecture, electronic cooling, nuclear energy cooling systems) are at the moment of great interest. Since typical applications of buoyancy-driven airflows in smooth vertical channels are usually in small-scale devices (i.e. in electronic cooling equipment), most investigations were carried out for laminar flows. As a consequence of the great scale of certain passive ventilation systems, as solar chimneys, Trombe walls, or roof collectors, the flow established becomes transitional or even fully turbulent.
The regarded geometries frequently involve structures based on converging and sloped channels formed by heated plates, where buoyancy-driven flows take place. Therefore, the study of ...
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