Abstract
The Ground Source Heat Pump (GSHP) module provided by Transient System Simulation Program (TRNSYS) simulation software will lead to wrong simulation results on partial load, which is only suitable for full load operation. In order to solve this problem, a new mathematical model of GSHP is established based on the experience knowledge of GSHP and the sample data provided by manufacturer. Firstly, the cooling capacity and energy consumption of a GSHP are analyzed according to the GSHP principle. Then, the Cerebellar Model Articulation Controller (CMAC) mathematical models of cooling capacity correction coefficient and power correction coefficient on full load are established according to the sample data provided by manufacturer, and the mathematical model of power correction factor on partial load is established based on the nonlinear regression model. Finally, the Coefficient of Performance (COP) of a GSHP and the outlet temperature of condenser are calculated according to the GSHP principle. Experimental results show that the accuracy of the CMAC mathematical models of cooling capacity correction coefficient and power correction coefficient on full load are better than that of the conventional multivariate nonlinear regression model. The developed GSHP mathematical model can be used to simulate the GSHP system very well.
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