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对于热负荷占优的建筑气候区,年复一年的冬夏负荷不平衡会导致土壤源热泵机组的能效比COP(Coefficient of Performance)越来越低。过渡季节利用地埋管进行太阳能跨季节蓄能可有效地解决土壤热平衡问题。以一个实际工程为支撑,开展了跨季节蓄能的实践,并基于TRNSYS16模拟软件对过渡季节的蓄热过程进行模拟,结合实验数据验证了模型正确性并对模拟结果进行修正。结果表明,模拟数据与实测数据非常接近;过渡季节进行太阳能跨季节蓄能是可行的。
Year-by-year winter and summer load imbalances can lead to lower and lower COPs for ground-source heat pump units in building climate zones that dominate the heat load. In the transitional season, the use of buried pipe for solar energy storage across the seasons can effectively solve the problem of soil thermal balance. Based on an actual project, the practice of cross-season energy storage was carried out. Based on TRNSYS16 simulation software, the heat storage process during the transitional season was simulated. The correctness of the model was verified with the experimental data and the simulation results were corrected. The results show that the simulated data is very close to the measured data. It is feasible to carry out the solar energy inter-season during the transitional season.