24 June 2014

INVESTIGAITON ON OPERATION IMPROVEMENT OF THE GROUND SOURCE HEAT PUMP SYSTEM ACCOMMODATING THERMAL ENERGY


The demonstration project of the performance analysis of the GSHP system accommodating thermal energy in the dormitory in Kitakyushu City is introduced in this paper. Performance prediction tool for the GSHP system accommodating thermal energy combined water source heat pumps for air-conditioning and hot-water supply was developed. Using the performance prediction tool and the result of first year’s operation, the optimum operation
method for the GSHP system accommodating thermal energy in the second year’s operation
was investigated. The result indicated that the optimum operation time and operation period
of the GSHP for HW, which minimize the total energy consumption of the system, were 24 h
and for 6 months, respectively. The temperature at the inlet of GSHP in the primary side T1in
is lower than 30 oC during the cooling period and higher than 10 oC during the heating period.
As the result, that the optimum operation method is effective to the GSHP system
accommodating thermal energy.