Investigating the role of passive solar systems in zero-energy urban buildings, for comfort and reducing energy consumption (Case study: Valiasr, Tabriz)

With the rapid development of urbanization, population growth and uncontrolled construction, energy consumption in buildings is expected to exceed 55% in the near future. Currently, about 40% of the world's energy is consumed by buildings, which increases carbon dioxide emissions and makes the environment more dangerous. If you try in the last decade to pay significant attention to buildings with zero energy requirements. Maximum use of natural daylight can reduce energy consumption and heating space. In this regard, the use of passive systems in urban buildings as an architectural element will have a high impact on increasing user comfort and also reducing energy consumption. If our goal is to use zero energy in urban systems, it will be activated in inactive urban systems (direct absorption, if necessary, for the convenience of users (uniform distribution of daylight) and the reduction of available energy. Trumpet wall, greenhouse). The present research method is descriptiveanalytical and available. Survey in Valiasr, Tabriz, using experimental library studies, mathematical calculations to obtain the amount of solar radiation on the ground at the site and also simulations in the design software and field studies have been done. According to the results obtained for the daylight factor, there is a strong distribution of light among the models (in direct absorption) G, (in the thrombus wall) G, (in the greenhouse) L compared to other scenarios in the most appropriate way. . It also reduces power consumption in these three final models by up to 10, 40 and 20%, respectively.