Development of the flow part of reactive type HPC of K-325-23.5 series steam turbine based on the use of modern computer technologies

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DOI https://doi.org/10.15407/pmach2021.04.006
Journal Journal of Mechanical Engineering – Problemy Mashynobuduvannia
Publisher A. Pidhornyi Institute for Mechanical Engineering Problems
National Academy of Science of Ukraine
ISSN  2709-2984 (Print), 2709-2992 (Online)
Issue Vol. 24, no. 4, 2021 (December)
Pages 6-16
Cited by J. of Mech. Eng., 2021, vol. 24, no. 4, pp.  6-16

 

Authors

Andrii V. Rusanov, A. Pidhornyi Institute of Mechanical Engineering Problems of NASU (2/10, Pozharskyi str., Kharkiv, 61046, Ukraine), e-mail: rusanov@ipmach.kharkov.ua, ORCID: 0000-0002-9957-8974

Viktor H. Subotin, Joint-Stock Company “Ukrainian Energy Machines” (formerly JSC “Turboatom”) (199, Moskovskyi ave., Kharkiv, 61037, Ukraine), e-mail: office@ukrenergymachines.com , ORCID: 0000-0002-2489-5836

Viktor L. Shvetsov, Joint-Stock Company “Ukrainian Energy Machines” (formerly JSC “Turboatom”) (199, Moskovskyi ave., Kharkiv, 61037, Ukraine), e-mail: shvetsov@ukrenergymachines.com, ORCID: 0000-0002-2384-1780

Roman A. Rusanov, A. Pidhornyi Institute of Mechanical Engineering Problems of NASU (2/10, Pozharskyi str., Kharkiv, 61046, Ukraine), e-mail: roman_rusanov@ipmach.kharkov.ua, ORCID: 0000-0003-2930-2574

Serhii A. Palkov, A. Pidhornyi Institute of Mechanical Engineering Problems of NASU (2/10, Pozharskyi str., Kharkiv, 61046, Ukraine), Joint-Stock Company “Ukrainian Energy Machines” (formerly JSC “Turboatom”) (199, Moskovskyi ave., Kharkiv, 61037, Ukraine), e-mail: sergpalkov@ukrenergymachines.com, ORCID: 0000-0002-2215-0689

Ihor A. Palkov, A. Pidhornyi Institute of Mechanical Engineering Problems of NASU (2/10, Pozharskyi str., Kharkiv, 61046, Ukraine), Joint-Stock Company “Ukrainian Energy Machines” (formerly JSC “Turboatom”) (199, Moskovskyi ave., Kharkiv, 61037, Ukraine), e-mail: palkovigor@ukrenergymachines.com, ORCID: 0000-0002-4639-6595

Maryna O. Chuhai, A. Pidhornyi Institute of Mechanical Engineering Problems of NASU (2/10, Pozharskyi str., Kharkiv, 61046, Ukraine), e-mail: mchugay@ipmach.kharkov.ua, ORCID: 0000-0002-0696-4527

 

Abstract

The results of gas-dynamic design of a new flow part of a reactive type high-pressure cylinder (HPC) of the K-300 series condensing steam turbine are presented. The turbine was developed using a comprehensive methodology implemented in the IPMFlow software package. The methodology includes gas-dynamic calculations of various levels of complexity, as well as methods for analytical construction of the spatial shape of the blade rows based on a limited number of parameterized values. The real thermodynamic properties of water and steam were taken into account in 3D calculations of turbulent flows. At the final stage, 3D end-to-end calculations of the HPC, which consists of 18 stages, were carried out. The technology of parallel computing was applied in the said calculations. It is shown that a significant increase in efficiency and power has been achieved in the developed HPC due to the use of reactive type stages with modern smooth blade profiles and monotonic meridional contours.

 

Keywords: steam turbine, high pressure cylinder, flow part, reactive type blading, spatial flow, computational studies.

 

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Received 02 November 2021

Published 30 December 2021