Contents

Thermal Engineering

Vol. 73, No. 5, 2026

STEAM TURBINE, GAS TURBINE, AND COMBINED CYCLE PLANTS AND THEIR AUXILIARY EQUIPMENT

Application of Deep Machine Learning Methods for Designing Turbomachinery Blade Cascades

V. V. Popov, I. Yu. Gavrilov, V. A. Tishchenko, K. A. Berdyugin, A. A. Tishchenko, A. O. Smirnov, and D. G. Sokolov p. 315  abstract

Development of a Performance Database of a Three-Blade Row Axial Compressor for Machine Learning Models Validation

S. A. Galaev, V. V. Ris, A. G. Abramov, V. A. Baranov, and E. E. Kitanina p. 326  abstract

STEAM BOILERS, POWER PLANT FUELS, BURNERS, AND BOILER AUXILIARY EQUIPMENT

Biomass Oxygen-Free Steam Gasification in a Spouted Bed

S. A. Shevyrev and P. A. Strizhak p. 339  abstract

HEAT AND MASS TRANSFER, AND PROPERTIES OF WORKING FLUIDS AND MATERIALS

Experimental Investigation of Surface Material Impact on Nanofluid Subcooled Flow Boiling

B. Soleimani and M. Ziabasharhagh p. 351  abstract

Simulation of Natural Convection Heat Transfer Using Computational Modeling of Perforated Annular Fins Coupled with Vertical Cylinder

Muthuraman Subbiah, Sivaraj Murugan, and Kumar Ayyappan p. 362  abstract

NUCLEAR POWER PLANTS

Design Calculation of the Low Pressure Direct Contact Heater’s Bubbling Stage for Main Condensate Deep Degassing and Heating

Yu. G. Sukhorukov, B. F. Balunov, V. D. Lychakov, E. A. Sukhorukova, Yu. V. Usov, K. A. Grigor’ev, and D. S. Evsikov p. 371  abstract

METALS AND STRENGTH ANALYSIS

The Influence of Restorative Thermal Treatment on the Mechanical Properties of Pipes Made of Steel 20 Affected by Hydrogen Embrittlement

A. V. Nechaeva, V. V. Shagalaev, A. S. Zavorin, and N. Yu. Gurkina p. 380  abstract

Erratum

Erratum to: Heat Transfer and Pressure Drop in Main Heat Exchangers of a Thermal Oil ORC-Unit (Review)

I. S. Antanenkova, Yu. A. Geller, M. M. Vinogradov, E. A. Gorbunova, and V. I. Kuznetsov p. 387  abstract

Erratum to: Improving the Shell-and-Tube Condenser Design for an ORC Unit Operating on Pentane as Working Fluid

I. S. Antanenkova, A. A. Antanenkov, V. I. Kuznetsov, and D. S. Pisarev p. 388  abstract