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This paper presents a building automation strategy for natural ventilation control and reducing building energy consumption. An on-off control is proposed in order to manage the windows opening and realize a natural ventilation flow guaranteeing indoor thermal comfort. The control logic is based on activation thresholds that are optimized to reduce the discomfort for overheating and undercooling....
The paper presents the results of the analysis of the impact of various ventilation systems on the energy consumption performed for one Polish museum building that was built in 1929–1930. Simulations were carried out with the use of two computer codes: CONTAM and ESP-r. Multi-zone models including the exhibition rooms and the staircase were prepared. The simulations were made of synthetic weather...
This paper is the first one in a series of two papers presenting the main results obtained in a School Building, which are analyzed in view of the actual Indoor Air Quality (IAQ) Portuguese national regulation. Measurements were carried out in one building, ventilated by mechanical system to evaluate IAQ and thermal comfort parameters. Direct measurements were made with portable monitoring data loggers...
In order to generalize the passive solar building at high altitudes, the outdoor meteorological data and the indoor temperature were tested in Tibet Saga, the elevation is about 4700m. The results showed that the climate is very suitable for passive solar heating, and the passive solar energy can solve the heating problems in the daytime, but the indoor temperature is very low at night, people will...
This paper describes the evolution and application of an efficient dynamic thermal modelling (DTM) procedure, developed within computational fluid dynamics (CFD). The results of a case study to simulate the dynamic thermal conditions within a typical office space using the novel DTM–CFD procedure are reported. The main area of investigation was the ability to account for the time-varying thermal response...
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