The study of thermal comfort in the built environment is of great relevance since it stimulates the development of more sustainable buildings suited to the local climate and able to meet the human need for well-being....The study of thermal comfort in the built environment is of great relevance since it stimulates the development of more sustainable buildings suited to the local climate and able to meet the human need for well-being.The objective of this research was to develop,construct and test a passive heating system adaptable to existing buildings,reducing the need for major interventions and increasing thermal comfort in the indoor environment.The adopted methodological approach was a case study in a single-family residence located in the Brazilian city of Petrópolis,a mountainous region with a humid subtropical climate and a rigorous winter.The proposed passive heating system is totally isolated,thus mitigating air infiltration and promoting increase of temperature in the internal environment through the absorption of solar energy and greenhouse effect.This kind of solution is especially interesting for residents of this region,since most of the city buildings are not adequately prepared to handle low temperatures.Thus,given local climatic conditions,residents need to spend a lot of money on the acquisition and operation of electric or gas heating systems.The results indicated that the developed system,in fact,increased the temperature of the studied room when compared to an adjacent room,which did not receive the device.The findings of this paper,therefore,provide a valuable reference for experts and practitioners in the selection of heating systems to be used in cold regions,and proved that passive systems can provide thermal comfort at the same time that optimize the interaction of the building with the local ecosystem.展开更多
文摘The study of thermal comfort in the built environment is of great relevance since it stimulates the development of more sustainable buildings suited to the local climate and able to meet the human need for well-being.The objective of this research was to develop,construct and test a passive heating system adaptable to existing buildings,reducing the need for major interventions and increasing thermal comfort in the indoor environment.The adopted methodological approach was a case study in a single-family residence located in the Brazilian city of Petrópolis,a mountainous region with a humid subtropical climate and a rigorous winter.The proposed passive heating system is totally isolated,thus mitigating air infiltration and promoting increase of temperature in the internal environment through the absorption of solar energy and greenhouse effect.This kind of solution is especially interesting for residents of this region,since most of the city buildings are not adequately prepared to handle low temperatures.Thus,given local climatic conditions,residents need to spend a lot of money on the acquisition and operation of electric or gas heating systems.The results indicated that the developed system,in fact,increased the temperature of the studied room when compared to an adjacent room,which did not receive the device.The findings of this paper,therefore,provide a valuable reference for experts and practitioners in the selection of heating systems to be used in cold regions,and proved that passive systems can provide thermal comfort at the same time that optimize the interaction of the building with the local ecosystem.
