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首页> 外文期刊>Computational thermal sciences >NUMERICAL EVALUATION OF NATURAL CONVECTION HEAT TRANSFER IN A SUPPLY-AIR PAZIAUD WINDOW
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NUMERICAL EVALUATION OF NATURAL CONVECTION HEAT TRANSFER IN A SUPPLY-AIR PAZIAUD WINDOW

机译:供气帕兹乌德窗内自然对流换热的数值评估

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摘要

This work describes the convective exchanges which occur in a supply-air Paziaud window. The window is composed of three panes of glass separated by ventilated U-shaped air gaps. The aim of the study is to evaluate the thermal performance of a building's interior due to heat flow through the window, which contributes also to room ventilation. The study considers the effects of Rayleigh number, aspect ratio, and blind geometry on the convective heat transfer. The governing differential equations are discretized using a finite volume method, and the coupling pressure-velocity problem is carried out using the SIMPLER algorithm. Results are reported in terms of isotherms, streamlines, and average Nusselt number.
机译:这项工作描述了在供气Paziaud窗口中发生的对流交换。窗户由三块玻璃板组成,这些玻璃板由通风的U形气隙隔开。该研究的目的是评估由于热量流过窗户而造成的建筑物内部热性能,这也有助于室内通风。该研究考虑了瑞利数,纵横比和盲孔几何形状对流传热的影响。用有限体积法离散控制微分方程,并使用SIMPLER算法求解耦合压力-速度问题。结果以等温线,流线和平均努塞尔数表示。

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