地热供暖系统经济性模型设计
Economic model design of geothermal heating systems
摘要：
通过比较地热供暖系统与传统供暖系统的特点，提出了地热供暖系统经济性的主要影响因素调峰比和地热尾水排放温度，并分析了其对地热供暖系统的影响。利用MATLAB多项式拟合工具对供暖度日数数据进行处理，得到了供暖度日数的数学模型，为进一步计算供暖期燃料消耗量并最终得到地热供暖系统的年运行费用提供数据。以费用年值作为地热供暖系统的优化指标对系统进行了优化计算。
Abstract：
Through comparing the characteristics of geothermal heating systems and conventional heating systems, proposes the main factors impacting the economic index of geothermal heating systems—the peak load ratio and the discharge temperature of geothermal tail water, and analyses their effects. Using MATLAB polynomial regression tools to treat the value of heating degree-days, obtains the mathematical model for further calculation of fuel consumption to ultimately acquire annual operating cost of the geothermal heating system. Optimizes the system using annual cost as optimization index.
Keywords:model, peak load ratio, discharge temperature of geothermal tail water, heating degree-days