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Laminar natural convection arising from horizontal rectangle cylinder to its concentric cylindrical enclosure is numerically studied. The Rayleigh number is varied in the range of 103≤Ra≤106. According to the form of isotherms and the streamline patterns, the basic features of flow and heat transfer for four rectangle cylinders with different aspect ratios are reported. And the local and average Nusselt...
Abstract-Simultaneous transport of heat and moisture by conjugate natural convection in an enclosure with a solid wall and two free ports is investigated numerically. Moist air motions are driven by the external temperature and concentration differences imposed across enclosures with different ambient moisture conditions. The Prandtl number and Schmidt number used are 0.7 and 0.6 respectively. The...
Groundwater source heat pump system has great impact on the temperature of groundwater for a long-term. According to the continuity equations, motion equations and energy equations of fluid cylindrical coordinate system and the boundary conditions of pumping production and injection well, the forced convection in turbulent flows model of smooth cylinder has been established. Consider three ways of...
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