PROPOSAL OF SIMPLIFIED CALCULATION 6R1C METHOD OF BULDINGS ENERGY PERFORMANCE ADOPTED TO POLISH CONDITIONS

This paper presents proposal of simplified calculation 6r1c method of buildings energy performance adopted to polish conditions. The lumped capacitance method is utilized to define equations of building heat exchange 6R1C model. The model is the modification of simple hourly method described in EN ISO 13790:2007 standard. It should be pointed out that the 6R1C model additionally incorporates the air handling unit model (AHU model) based on EN 15241 standard. The ventilation heat transfer coefficient was split into controlled ventilation heat transfer coefficient and infiltration heat transfer coefficient. The integrated 6R1C method was validated with the Bestest procedure. Validated method was used for calculations of energy performance of several nonresidential buildings. The calculation results published confirmed that the integrated 6R1C hourly method with simple AHU model can be used to calculate the annual energy consumption for buildings. The proposed simulation method has open structure and can be used for energy performance estimation of different HVAC systems in buildings.