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以河南郑州某地下水源热泵空调系统为例,建立了三维地下水热耦合数值模型,通过实际水位水温观测资料校正了模型,并利用校正后的模型模拟和分析了有区域流场存在条件下不同抽灌模式对采能区地温场的影响.研究结果表明:有区域流场存在的条件下该实际工程不适合采用交替抽灌模式,在制冷期末该工程采用交替抽灌模式的抽水井温度比不采用交替抽灌模式上升了1.8℃,系统所能提供的能量负荷降低了22.76%.
Taking a ground source heat pump air conditioning system in Zhengzhou, Henan as an example, a numerical model of groundwater heat and heat coupling was established. The model was calibrated by the actual water temperature and water temperature observation data. The corrected model was used to simulate and analyze different pumping The results show that this practical project is not suitable for alternate pumping and pumping under the condition of regional flow field. The temperature ratio of pumping wells adopting alternating pumping and pumping modes at the end of the cooling period is not The use of alternate pumping mode increased 1.8 ℃, the system can provide the energy load decreased by 22.76%.