Controlling plan of well group operation of groundwater source heat pump system with the target of groundwater pressure recovery
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Abstract:
A ground source heat pump system in Anyang was used as the research object. The water balance method was used to predict the change of groundwater level in Anyang , and the groundwater water-heat coupling model of groundwater level change was constructed to quantify the impact of different well group operations. The optimization theory was used to establish a well group control model to optimize the layout of the well group. The results showed that: when the production pressure increased to 3×10 7 m3 and the groundwater level raised by 5.7 m, the best scheme for well group layout was linear on interphase pumping wells, whereas, when the production pressure increased to 5×10 7 m3 and the groundwater level increased by 8.4 m, the best plan for well group layout was rectangular on different sides of the pumping well.
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