开发数学相关性以预测高温复合气候下强制通风光伏-DSF 系统的性能

IF 1.8 4区 工程技术 Q3 CONSTRUCTION & BUILDING TECHNOLOGY
Sajan Preet, Sanjay Mathur, Jyotirmay Mathur, Manoj Kumar Sharma, Amartya Chowdhury
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引用次数: 0

摘要

光伏双层幕墙(Photovoltaic-DSF)系统在夏季的表现至关重要。由于太阳辐射强,建筑物的制冷需求大大增加。光伏双层幕墙系统可提供遮挡,并通过室内空间的玻璃窗控制热量的吸收。本文通过数学关联分析了印度夏季炎热地区(斋浦尔)的强制通风光伏-DSF 系统的能源特性。在斋浦尔的夏季月份(5 月至 7 月)安装并监测了光伏-DSF 系统。利用田口设计开发了 L25 正交阵列设计参数(气腔厚度、气流速度和光伏板透明度)及其各自的水平,以进行实验。根据实验结果,利用多元线性回归预测了太阳辐射热获得系数、光伏发电功率和室内日光照度与设计因素的函数关系。方差分析支持了数学关系的统计意义,发现其与现场测量结果(R2 > 0.90)十分吻合。所提出的相关关系在设计夏季炎热条件下的光伏-DSF 系统时非常实用。光电-DSF 系统的透光率为 30%,气流速度为 5 米/秒,气腔厚度为 200 毫米,在炎热的夏季实现了最大的能源性能。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
Development of mathematical correlations to predict performance of forced ventilated Photovoltaic-DSF system in hot composite climate
Performance of Photovoltaic-double skin façade (Photovoltaic-DSF) system in summer has been critical. Owing to high solar ingress, cooling requirement of a building significantly increases. Photovoltaic-DSF system provides a shield and controls the heat gain through fenestration in the interior spaces. In the present article, mathematical correlations are developed to analyse energy behaviour of forced-ventilated Photovoltaic-DSF system in India’s hot summer zone, that is, Jaipur. The Photovoltaic-DSF system has been installed and monitored for Jaipur’s summer months (May to July). L25 Orthogonal array of design parameters (air cavity thickness, air velocity and PV panel’s transparency) and their respective levels have been developed using Taguchi design to perform experiments. Based on experimental results, multiple linear regression has been used to forecast solar heat gain coefficient, PVs electrical power and daylighting illuminance indoors as function of design factors. The statistical significance of mathematical relationships is supported by variance analysis, which is found to be in good accord with field measurements ( R2 > 0.90). The proposed correlations are pragmatic in designing Photovoltaic-DSF systems for hot summer conditions. The Photovoltaic-DSF system with 30% transmittance and air velocity of 5 m/s in 200 mm air cavity thickness achieved maximum energy performance in hot summers.
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来源期刊
Journal of Building Physics
Journal of Building Physics 工程技术-结构与建筑技术
CiteScore
5.10
自引率
15.00%
发文量
10
审稿时长
5.3 months
期刊介绍: Journal of Building Physics (J. Bldg. Phys) is an international, peer-reviewed journal that publishes a high quality research and state of the art “integrated” papers to promote scientifically thorough advancement of all the areas of non-structural performance of a building and particularly in heat, air, moisture transfer.
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