00743naa#a2200205#i#450# EN\\bibl\108844 20260118132914.7 2073-1574 20251128b2025####ek#y0engy0150####ca RUS RU Comparative analysis of some methods for calculating the characteristics of the heat exchange process in turbomachines during jet cooling Journal article Astrakhan Astrakhan State Technical University 2025 8 с. Journal article local Газовые турбины. 621.438 RUS Yerokhin Sergey Konstantinovich Vokhmyanin Sergei Mikhailovich Sakhno Konstantin Nikolaevich vestnik.astu.org