VOLUME 28, ISSUE 2, 2025 (JUNE)

Journal of Mechanical Engineering – Problemy Mashynobuduvannia

ISSN: 2709-2984 (Print), 2709-2992 (Online)

Volume 28, Issue 2, 2025 (June)

DOI:

CONTENTS

*Subject Categories:* *Aerohydrodynamics and Heat-Mass Transfer*

Concept of K-300 Series Steam Turbine Flow Part Modernization for Transition to Operation with Ultra-Supercritical Steam Parameters Roman A. Rusanov	PDF 6–16

Analysis of the District Heating Steam Turbine Unit at CHPP Based on Energy and Exergy Indicators Andrii O. Mazur	PDF 17–26

*Subject Categories:* *Dynamics and Strength of Machines*

Linear Vibrations Analysis of a Composite Sandwich Conical Shell Manufactured by Additive Technologies Kostiantyn V. Avramov, Borys V. Uspenskyi, Borys H. Liubarskyi, Oleksii A. Smetskykh	PDF 27–35

CFD Simulation of Thermal and Thermally Stressed State of the DKVR-10-13 Boiler Drum Olha Yu. Chernousenko, Artur Yu. Rachynskyi, Oleksandr V. Baraniuk	PDF 36–43

First Main Problem of the Theory of Elasticity for a Layer with Two Thick-Walled Pipes and One Cylindrical Cavity Oleksandr Yu. Denshchykov	PDF 44–53

Computer Modeling of the Process for Manufacturing Spherical Vessels from Sheet Steel by Hydroforming Pavlo P. Hontarovskyi, Natalia V. Smetankina, Nataliia H. Garmash, Iryna I. Melezhyk, Tetiana V. Protasova	PDF 54–60

Study of the Stress State of Solid Cylinders with Inhomogeneous Structure Under Various Boundary Conditions at the Ends Oleksandr Ya. Grygorenko, Liliia S. Rozhok, Nataliia P. Boreiko, Lesia V. Kharytonova	PDF 61–72