Zanchini, E.; Lazzari, S. - In: Energy 70 (2014) C, pp. 444-455
A new method for the hourly simulation of fields of long BHEs (borehole heat exchangers) is presented, in dimensionless form. The method considers also the internal structure of the BHE, with reference to double U-tube BHEs. The analytical expressions of new g-functions (time evolutions of the...