49-57
12
25 Jul, 2026
TECHNICAL SCIENCES
This article mathematically models the stationary and unsteady behavior of fluid flow in channels with variable cross-sections. The study considers the problem of determining unsteady flow parameters based on the method of small disturbances, Gurevich – Haskin...
72-77
705
30 Mar, 2026
TECHNICAL SCIENCES
In this study, the physico-mechanical and thermal properties of polyethylene modified with zinc terephthalate were studied. The use of modifiers in the production of polymer composite materials allows for a significant improvement in the operational properties...
70-78
230
18 Jun, 2025
TECHNICAL SCIENCES
This article presents a newly developed method for theoretically calculating the annual power output of a stationary 810 kW grid-connected photovoltaic power plant located in the Kashkadarya region, known for its hot and dry climate. The results derived from t...