Solving test problems for carrying out a numerical experiment evaluating the mutual influence of two energy-efficient piles
In this article, studies are given of the relationship between the interference of two energy-efficient piles during the selection of low-potential heat from a soil massif from the distance between piles and their geometric parameters. The article presents the results of a numerical experiment planning. Selected plan identifies the main factors, the number of levels, and varying boundaries. With the purpose of obtaining the required dependence, the experimental planning matrix is compiled. A two-factor three-level numerical experiment is planned. As the input parameters of the numerical experiment, the radius of the piles and the distance between them are assumed. As an output parameter - the average value of the heat flux density through the contact surface of piles with soil during the heating period. A numerical experiment is planned to be carried out in the GeoStudio software package. Climatic, geological, time parameters (duration of the heating season) were taken for the conditions of the Perm region. In the article the basic positions on modeling in a program complex GeoStudio module TEMP/W are resulted. For the selection of time and geometric parameters of numerical simulation, the solution of the test problem is given. Time parameters were evaluated by comparing the magnitude of the heat flux during the heating season for a number of years of energy-efficient pile. According to the results it found that the duration of the simulation must be at least 10 years. Geometric parameters of the numerical model were selected by estimating the change in the temperature regime of the soil massif during the operation of an energy efficient pile for several years. According to the results it is established that the size of the numerical model should be at least 50×50 m for the given conditions.