This paper studies the effect of natural ventilation on spread COVID-19 virus from a patient room to an adjacent with help airflow. The importance this study is since contamination can easily transfer airflow one next or corridor. aims determine spaces patients’ room.For evaluation, we have used mechanical modelling and CFD simulation evaluate transmission contaminated space clean space. During...

The increase in the thermal protection level of existing buildings enclosing structures, due to need comply with current norms building heat engineering requirements, leads increasing part losses balance a infiltration and exhaust ventilation operation. After exhaustion possibilities for implementation technical measures reduce energy costs by changing volumetric planning solutions insulating e...

The study contains an analysis of a decentralised unit installed in building façade, where air supply and exhaust cycles are swapped by proper positioning dampers. was carried out real conditions office building. Computational Fluid Dynamics (CFD) simulation is important element the system design, has become more widely used. Simulation analysed shown stream distribution room. Moreover, it allo...

The application of exhaust air heat pumps as an energy efficient heating technology to cover the and ventilation demand highly residential buildings is becoming popular. Available studies on tend mostly focus only comparing different technologies in buildings. Most existing ignore usual presence electrical heaters backup. Moreover, impact varying boundary conditions pump's performance often not...