EXAMINATION OF THE EFFECT OF ENERGY CONSERVATION B

The purpose of this study is to investigate whether intermittently stopping air conditioning can decrease the energy consumption. Although it may have certain influence on indoor air quality , to stop air conditioning intermittently is one of the most simple and effective methods for energy conservation without adding new facilities. It is not obvious whether the energy consumption is reduced in terms of the total amount, because the cooling loads during resuming of air conditioning after a short stop is more than those of continuous air conditioning .

It is insufficient to examine case of intermittently stopped air conditioning in a short period because general load calculation program in Japan is for one-hour interval . Therefore we have developed the computer simulation program, in order to predict indoor air temperature and cooling loads for one-minute interval. Cooling load calculations are carried out by thermal response factor method.

This paper describes the calculation method of indoor air temperature and cooling loads for one-minute interval. The simulation results were verified by comparison with measured indoor air temperature and cooling loads. It was made clear that there was relationship between the simulation results and the measured data. This program was used to examine whether the total cooling loads were reduced in intermittently stopped air conditioning.