摘要:The article presents an attempt to determine the operating characteristics of a ground heat exchanger working in the system with a heat pump.The values obtained as a result of numer- ical CFD simulation were compared to design assumptions.Thermal power estimates were completed for averaged ground temperature conditions,focusing on an 11-hour operation period,which constitutes one day of plant operation.A direct coupling model of the equation of energy in the solid body and flowing liquid was used in the numerical simulation.An isotropic soil structure with physical properties corresponding to the actual site was assumed in the simu- lation.No potential migration of the heat stream caused by present watercourses was considered during the simulation.
关键词:ground heat exchanger;distributed power engineering;energy conversion