Numerical Analysis of Wind Flow over Various Shaped Rooftop of Buildings for Renewable Energy Application in Bangladesh

2018 International Conference on Innovations in Science, Engineering and Technology (ICISET) Pub Date : 2018-10-01 DOI:10.1109/ICISET.2018.8745625

Sajid Nakvee, Ishtier Rahman

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引用次数: 2

Abstract

A numerical study has been conducted particularly graphical analysis to investigate wind flow above roof of the constructed structure of various shapes from side views such as the conventional structure, filleted corners, dome shaped, half wedges. The velocity contours and velocity profiles have been the points of observation to find out the shape having the efficacy to initiate the turbine rotation. In addition, the suitable location for mounting wind turbines has been illustrated and the desired roof shapes for future buildings are proposed to be constructed in Bangladesh. Computational results show that dome shaped roof delivers the maximum velocity among all the other shapes taken into consideration here. On the other hand, when corners are filleted the velocity has a relative increase than the conventional one. Case study shows that among all the cities Chittagong, Comilla and some certain places in Dhaka have the minimal wind speed to initiate the turbine to generate energy.

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孟加拉国可再生能源应用中不同形状屋顶风的数值分析

数值研究进行了特别的图形分析，从侧面观察各种形状的建筑结构，如常规结构，圆角结构，圆顶结构，半楔形结构的屋顶上的风流动。速度轮廓线和速度剖面是寻找能有效启动涡轮旋转的形状的观察点。此外，还说明了安装风力涡轮机的合适位置，并提出了在孟加拉国建造未来建筑物所需的屋顶形状。计算结果表明，在所有考虑的形状中，圆屋顶的速度最大。另一方面，当圆角时，速度比常规速度有相对的增加。案例研究表明，在所有城市中，吉大港、科米拉和达卡的某些地方拥有启动涡轮机发电的最低风速。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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2018 International Conference on Innovations in Science, Engineering and Technology (ICISET)

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