| Popis: |
In order to reduce energy consumption and analyze energy-saving potential of building materials, the principle of the energy equilibrium is applied to establish the relationship between outdoor temperature, supply and return water temperature of heating system. A numerical simulation model of supply and return water temperature is deduced. Based on the predicted air temperatures and observed indoor temperature from Haiyuan community,a simulation experiment is executed. The experiments show that the root mean square error between simulated indoor temperature and required temperature (20°C) is 0.26°C, root mean square error between predicted and observed supply water temperature is 3.76°C. When the heat transfer coefficient is decreased by 10%, the predicted supply water temperature and return water temperature is decreased 3.8% and 3.2%, respectively. This means the prediction model has a good quality. |
