EVALUATION OF ENERGY CONSUMPTION AND INDOOR THERMAL ENVIRONMENT OF GROCERY STORE USING CFD MODEL (PART 3): EFFECT OF SC REFRIGERATING AND AIR CONDITIONING LOAD REDUCTION AND THERMAL COMFORT IMPROVEMENT BY INTRODUCING MEASURES

Abstract

In this report, some energy-saving and thermal comfort improving strategies adopted in a grocery store were estimated by using the store environment analysis CFD model. As results, by replacing the frozen multi-deck display cases with frozen reach-in cases, total energy consumption of cases and air conditioners decreased to 3/4 both in summer and winter, meanwhile it led to a more comfortable thermal environment. In winter, exhausting from the lower part of display cases resulted in 3% decreasing in the total energy consumption, while elongating a supermarket shelf near entrance hardly influenced thermal comfort and energy consumption.