Wind Loading Analysis On A Residential Roof Mounted Photovoltaic Panel

Lokman, Mohd Iskandar (2019) Wind Loading Analysis On A Residential Roof Mounted Photovoltaic Panel. Project Report. Universiti Teknikal Malaysia Melaka, Melaka, Malaysia. (Submitted)

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Abstract

Solar is one of the renewable and alternative energy sources. Nowadays, solar PV is commonly installed at the rooftop of a residential house free of obstruction and highly efficient. There are a lot of factors need to be considered when installing the solar PV panel. One of the most important factors is the wind loading acting on the solar PV panel. Negligence to consider wind as potential risk can prove fatal to the structure of the rooftop and can even risk of injuring nearby people. This project was carried out to simulate the wind acting on the residential house’s rooftop when installed with solar panels by varying the wind direction and tilt angle of panels. Through the wind flow field, pressure contour and pressure coefficients Cp result was predicted from simulation work. It was observed that the solar panel experienced lifting force that pulls the structure away from the rooftop and it became more obvious as the tilt angle increased from 20° to 30°. The same changes in pressure and wind flow field also occurred at different wind direction when increasing the panel tilt angle to 30°. The pressure acting on the panel is more varied in term of pressure contours and values especially at the bottom of the panel. The lifting force acted at bottom area of the panel increased as the tilt angle increased to 30°. Therefore, projected the influence of tilt angle and wind direction on wind loading on residential roof mounted solar photovoltaics panel. For future work, different type of roofs can be simulated to predict the geometrical influences to the wind loading on solar PV panels. The simulation work can be compared with experimental work for better result validation

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