CAJ | 학술논문

岩土综合导热系数和延米换热量是浅层地温能资源评价和工程设计所需重要参数，可通过室内测试、现场恒热流试验或稳定工况试验计算、测定。计算时有多种方法可供选择，目前尚无统一规定，受地层、试验条件、个人经验等多方面因素影响，选取恰当的模型和计算方法非常关键。通过实例分析，发现不同计算方法所得岩土综合导热系数结果和实测结果比较，均存在一定误差；采用国标计算法求得的延米换热量绝大多数情形下会高于实测值。在项目设计和实际应用中，应根据具体运行工况进行计算和测试，以得到最接近的设计参数。
암토종합도열계수화연미환열량시천층지온능자원평개화공정설계소수중요삼수，가통과실내측시、현장항열류시험혹은정공황시험계산、측정。계산시유다충방법가공선택，목전상무통일규정，수지층、시험조건、개인경험등다방면인소영향，선취흡당적모형화계산방법비상관건。통과실례분석，발현불동계산방법소득암토종합도열계수결과화실측결과비교，균존재일정오차；채용국표계산법구득적연미환열량절대다수정형하회고우실측치。재항목설계화실제응용중，응근거구체운행공황진행계산화측시，이득도최접근적설계삼수。
Comprehensive heat transfer coefficient and heat exchange per meter are important parameters of resource e-valuation and engineering design for shallow geothermal energy,they can be calculated by the laboratory test,constant heat flux testing and steady-state testing,various method can be selected to calculated,but none of the method is unified. For the formation,testing condition,individual experience etc can effect the result,selecting a different model and calcu-lation method would have a certain influence on the calculation. By example analysis,it can be find that different compre-hensive heat transfer coefficient calculation results are all erroneous with the items measured result. The heat exchange per meter calculated by GB method almost larger than measured value. Therefore,the authors should calculate according to the specific operating conditions in project design and practical application and then to obtain the closest design param-eters.