Using the directed search method to select the degree of centralization of heat supply schemes in order to ensure the environmental sustainability of a settlement

An algorithm is proposed for the formalized choice of the degree of centralization of the heat supply scheme in order to ensure the environmental sustainability of the settlement. The algorithm is based on a directed search for combinations of centralization and decentralization of the scheme, with the construction of networks of optimal topology for each of the compared options. The calculation begins with a variant of a decentralized heat supply scheme (maximum number of sources), followed by a reduction in heat supply sources by one at each iteration, up to full centralization to achieve ecological balance in the settlement. Taking into account the directed search proposed in the algorithm and excluding non-optimal combinations at each iteration, the number of calculations is significantly reduced compared to a simple enumeration of options. In addition to practical application, the algorithm allows you to study the "heat load density" indicator, which affects the decision on the degree of centralization of the heat supply scheme, and at the same time take into account the uneven distribution of consumers on the ground, their number, the heterogeneity of heat loads and achieving a balance in the environment.