This article discusses the task of increasing the thermal efficiency of flat solar collectors in
heat supply systems by optimizing their operating parameters under conditions when their …

Improving the efficiency of the heating system of premises depends on the correct choice of
heating system joists, their use. In the heating system, the consumption of the heat …

This research proposes a Random Forest RF model to replace the experimental tests
required by the ISO 9459–5: 2007 for predicting the annual energy supplied and the solar …

The transition processes of the centrifugal pump in hydro accumulation power plant (HAPP)
are studied in the article. The reliability of the pumping system is increased by the correct …

The article is devoted to determining the values of the flow trajectory of the water flowing
through various tubes and holes depending on the pressure in front of the hole, and the flow …

The article presents several different ways to increase the accuracy of the numerical solution
of differential equations. The comparison of schemes with different accuracy for the first …

This article analyzes the problems of raising groundwater in the city of Fergana and their
impact on buildings, structures and utilities. The hydrogeological state of the area was …

In this Article developed the heat balance equations for a solar air heater with a concave air
pipe absorber, calculating the heat wastes lost from the barrier structures of the device. In …

Solar air heaters (collectors) are becoming increasingly popular for both heating and
industrial applications due to their cheapness and ease of maintenance. However, how to …

ABSTRACT A large number of problems in physics and engineering leads to boundary
value or initial boundary value problems for linear and nonlinear partial differential …