Abstract:The issue of thermal comfort and its subjective feelings inside a building is becoming more and more important in the modern world. It is caused by the desire to create optimal conditions in places where people stay. The article presents two methods, indirect and direct, which are typically used in the research projects. These methods enable to assess the thermal sensations of people and compare the feelings of the respondents with the value of PMV (the value of human thermal sensations) calculated using the f… Show more
Renewable energy is becoming widely used all over the world nowadays. More single-family houses use such sources to generate heat and electricity. The article presents a case study of a house located in central Poland, in which a photovoltaic system was used, additionally with other renewable sources, such as a small wind turbine, biomass boiler and solar panels. The article describes the advantages of using renewable energy sources in the building sector considered and presents the results of experimental studies of electricity generation in a given period of time with their analysis. It turned out that the production of electricity using photovoltaic panels in autumn can support high electricity demand at this time.
Renewable energy is becoming widely used all over the world nowadays. More single-family houses use such sources to generate heat and electricity. The article presents a case study of a house located in central Poland, in which a photovoltaic system was used, additionally with other renewable sources, such as a small wind turbine, biomass boiler and solar panels. The article describes the advantages of using renewable energy sources in the building sector considered and presents the results of experimental studies of electricity generation in a given period of time with their analysis. It turned out that the production of electricity using photovoltaic panels in autumn can support high electricity demand at this time.
Nowadays, people spend most of their lives indoors, depending on the season, climate zone, work or study. Considering the amount of time spent in a closed environment, you should be inclined to create the most favourable and comfortable conditions for the internal environment, i.e. thermal comfort. The study, which was carried out in an intelligent building of “Energis” of the Kielce University of Technology, was to bring the authors of the work closer to whether such a building meets the thermal expectations of people using the PMV (Predicted Mean Vote) and PPD (Predicted Percentage Dissatisfied) indicators calculated on the basis of surveys and compared with the indicators calculated on the basis of the ISO 7730 standard.
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