The effect of using rooftop umbrellas on indoor temperature in Al-Qassim region: Microclimate Study

Abstract

 The research aims to measure the impact of the use of rooftop umbrellas on reducing the temperature within buildings, and to show the suitability of parachute technology in achieving indoor climate comfort in building of the Qassim area during the summer. The use of umbrellas was assessed through the actual experiment. The researchers conducted two experiments, the first of which was the construction of four rooms, and parachutes were placed on the roofs of three rooms, including PVC umbrella, cotton umbrella, polyethylene umbrella, another controlled room without a rooftop umbrella, and relative temperatures and humidity during the months (June, July and August).After preliminary analysis of data from the first experiment, two rooms were built, one of which was placed on the surface of a pyramid-shaped PVC umbrella, and one without an umbrella, and relative temperature and humidity measurements were taken during the months (August, September). The results of the study from the first experiment found that building shading led to lower temperature, climate comfort, the best of which was the performance of the parachute room with PVC, while during the second experiment it was found that the pyramid PVC umbrella gave better results than all other types and forms of the first experience in reducing the temperature of buildings, and in providing climatic comfort within buildings. The study recommends the use of PVC ore umbrellas, preferably the hierarchical form of shading the roofs of residential buildings.