ARMAX-model Approach for Estimating Static Heat Flows in Buildings. A Method for Computerised Energy Allocation Systems

摘要

An energy cost allocation system records the energy consumption of a building and divides the overall energy costs between the flats. Because the indoor temperatures of rooms are usually not equal, heat flows between flats cannot be avoided. Hence, in order to ensure fair energy costs per flat the system should be able to determine the static heat flow rates, preferably without utilizing design data or in-situ measurements. This paper presents a new method for estimating static heat flows between neighboring rooms. It also outlines the instrumentation and technical properties of the energy allocation system (EAS), needed in implementation. The approach is strictly technical, focusing only on heat transfer issues. Energy cost allocation is not considered.