具有水平吸收体的建筑通风太阳能烟囱的优化:一个案例研究

IF 0.8 Q4 MATERIALS SCIENCE, MULTIDISCIPLINARY

FDMP-Fluid Dynamics & Materials Processing Pub Date : 2023-01-01 DOI:10.32604/fdmp.2022.021973

El hadji I. Cissé, Baye Alioune Ndiogou, Souma飈a Tigampo, Ababacar Thiam, Doroth�Azilinon

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引用次数: 0

摘要

一项研究进行了优化太阳能烟囱的几何形状配备了一个水平吸收，以提高其性能，与提供通风。该问题通过质量、动量和能量控制方程的完整三维非定常形式的数值解来解决。数值框架还包括湍流模型(k-ε)和辐射传热模型(DO)。此外，采用多目标遗传算法(MOGA)推导了所考虑的太阳能烟囱的最优结构。结果表明，可以得到0.2 m/s的风速。根据ASHRAE(美国采暖、制冷和空调工程师协会)的自适应舒适方法，该值是允许的最小空气速度。

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Optimization of a Solar Chimney with a Horizontal Absorber for Building Ventilation: A Case Study

A study is conducted to optimize the geometry of a solar chimney equipped with a horizontal absorber in order to improve its performances in relation to the provision of ventilation. The problem is tackled through numerical solution of the governing equations for mass, momentum and energy in their complete three-dimensional and unsteady formulation. The numerical framework also includes a turbulence model (k-ε) and a radiant heat transfer (DO) model. Moreover, a Multi-Objective Genetic Algorithm (MOGA) is employed to derive the optimal configuration of the considered solar chimney. It is shown that an air velocity of 0.2 m/s can be obtained. This value is the minimum allowed air velocity according to the ASHRAE’s (American Society of Heating, Refrigerating and Air-Conditioning Engineers) adaptive comfort approach.

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来源期刊

FDMP-Fluid Dynamics & Materials Processing MATERIALS SCIENCE, MULTIDISCIPLINARY-

CiteScore

1.60

自引率

61.50%

发文量

103

期刊介绍： The scope of the Journal is covered by these topics (which could be updated): interplay between fluid motion and materials preparation processes (by means of: experimental investigation; computer modeling & simulation; novel numerical techniques and multiprocessor computations); multi-phase and multi-component systems; pattern formation; multi-scale modeling; interface-tracking methods (e.g., VOF, level-set) and moving boundaries; fluid-structure interactions; solidification; semiconductor crystals; metallurgy; dynamics of dispersed particles, bubbles and droplets (sedimentation, Marangoni migration, coalescence mechanisms, interaction with advancing fronts, etc.); dynamics and static behavior of fluid surfaces and interfaces.