Natural air ventilation in partially open cavities is encountered in many practical applications such as energy conservation in buildings and the heating/cooling of environmental systems. In this work, natural convection heat transfer in a partially open cavity is analysed. A vertical isothermal plate, placed inside the cavity, acts as the thermal source promoting the buoyant air flow drawn into the cavity through vent openings. Experiments encompassed the determination of the local and average convective heat transfer coefficients for the heated plate by means of the schlieren optical technique.
Free convection heat transfer in a partially open cavity
DEVIA, FRANCESCO;MISALE, MARIO;TANDA, GIOVANNI
2000-01-01
Abstract
Natural air ventilation in partially open cavities is encountered in many practical applications such as energy conservation in buildings and the heating/cooling of environmental systems. In this work, natural convection heat transfer in a partially open cavity is analysed. A vertical isothermal plate, placed inside the cavity, acts as the thermal source promoting the buoyant air flow drawn into the cavity through vent openings. Experiments encompassed the determination of the local and average convective heat transfer coefficients for the heated plate by means of the schlieren optical technique.
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