Abstract
In the present study, a novel passive solar system a designed sunspace in combination with solar chimney (SS)is implied to work out the concerns of energy requirement in the terraced rural dwellings of Iran. Renewable plans for heating need to be implemented before regarding mechanical facilities. Due to the southern orientation of most rural homes moreover, dwelling slope it is likely to use sunlight in most hours of the day. Hence, the SS system with an area of 4 m2 on the southern side of the building is considered. The simulation was performed through the Energyplus software and verified by experimental data. On the basis of the results, applying the SS system in buildings can magnify the amount of heat obtained. This is a practical plan to assist in space heating in cold months. Moreover, natural night ventilation over the SS can reduce the cooling load during hot seasons. The results additionally indicate that the highest energy-saving for heating and cooling observed in January and July respectively. Lastly, the annual economic advantage of the SS system with respect to power conservation will be 14.3% accordingly the increased cost for installing the SS will be retrieved by 8 years generally.
Highlights
Nowadays, the high demand for building construction as a result of the increasing population has been a major concern for researchers in developing countries (Agrawal, 1989; Park et al, 2015)
To subdue the energy loss of rural homes and improve the indoor thermal conditions, this research carried out a proof of concept
Based on the aforementioned inquiry, the sunspace and solar chimney (SS) was attached to a rural house to improve the indoor thermal conditions and annual energy cost
Summary
The high demand for building construction as a result of the increasing population has been a major concern for researchers in developing countries (Agrawal, 1989; Park et al, 2015). Buildings consume lots of energy for cooling and heating globally, while the cost of the most energy types is constantly increasing (Pérez-Lombard et al, 2008). Natural ventilation is one of the best renewable strategies to achieve sustainable and healthy environments in buildings. The solar chimney is a persistent strategy for reducing energy consumption by increasing the natural ventilation in the surrounding spaces (Khanal and Lei, 2011; Gan, 2010). As a simple and practical idea, solar chimney technology is known as an attractive biological design.
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