Track: Energy

Abstract

One typical passive natural ventilation system is a solar chimney assisted ventilation system. When a solar chimney is used on its own, there is very little potential benefit. Solar chimneys are therefore always used in integrated setups. The purpose of this research is to examine ventilation performance through the integration of a turbine ventilator and a solar chimney. To facilitate its integration with the turbine ventilator, a small solar chimney is suggested. By heating a solar chimney at a constant heat flux, its performance is investigated experimentally. Larger air gaps and higher inclination angles were shown to yield better results. However, after the ideal values of air gap depth and inclination angle, the performance begins to decline. It is advised that the input aperture area be at least twice as large as the outlet aperture area, even if there is no particular relationship between the two. Through constant heat flux heating of the solar chimney and/or constant rotational speed of the turbine ventilator, we conduct experimental studies of the integrated system. The findings show that the solar chimney with a revolving turbine ventilator has the optimum ventilation performance. The suggested solar chimney also demonstrates the potential to experience the flow reversal effect because it operates better without wire mesh than it does with it. All of those findings will be helpful in the construction of solar chimneys in the future, either for prediction or designation, in order to meet the ventilation demand.