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New technologies implemented in the design of a low-emission combustion chamber of a gas-turbine unit
- Authors: Fedorchenko D.G.1, Tsybizov Y.I.1, Tyulkin D.D.1, Vorotyntsev I.E.1, Zherelov D.A.1, Dulov A.S.1, Smelov V.G.2, Sotov A.V.2, Agapovichev A.V.2
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Affiliations:
- Joint-Stock company “Metallist-Samara”
- Samara National Research University
- Issue: Vol 19, No 1 (2020)
- Pages: 118-126
- Section: MECHANICAL ENGINEERING
- URL: https://journals.ssau.ru/vestnik/article/view/7776
- DOI: https://doi.org/10.18287/2541-7533-2020-19-1-118-126
- ID: 7776
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Abstract
Metallist-Samara JSC has developed a fundamentally new design of a unified double-circuit burner of a low-emission combustion chamber (LECC) of a ground-based gas turbine unit (GTU), adapted for manufacturing with the help of an innovative technology by selective laser melting (SLM) of metal powders using CAD models. Several batches of burners were made and control studies were carried out characterizing the quality of manufacturing according to the established procedure. Deficiencies inherent in the SLM process were discovered, the main of which are: raised roughness, in particular, of the fuel channels of the main and duty zones; microporosity, microalloying; microcracks; instability of flow characteristics; local non-sintering zones of the layers grown on the burner body. As a result of the analysis of the state of the manufactured burners, research and refinements, it was found that most of the identified shortcomings can be eliminated during further development of the modes and parameters of the technological process. Currently, difficult engineering problems associated with the implementation of additive manufacturing technologies have been overcome.
About the authors
D. G. Fedorchenko
Joint-Stock company “Metallist-Samara”
Author for correspondence.
Email: dgfedorchenko@yandex.ru
Candidate of Science (Engineering), Associate Professor
Chief Designer
Yu. I. Tsybizov
Joint-Stock company “Metallist-Samara”
Email: 2422490@mail.ru
Doctor of Science (Engineering), Professor
Design Project Leader
D. D. Tyulkin
Joint-Stock company “Metallist-Samara”
Email: tyulkin.dmitriy@gmail.com
Design Engineer
Russian FederationI. E. Vorotyntsev
Joint-Stock company “Metallist-Samara”
Email: vorotintsev15@yandex.ru
Design Engineer
Russian FederationD. A. Zherelov
Joint-Stock company “Metallist-Samara”
Email: denis_samara_163@mail.ru
Design Project Leader
Russian FederationA. S. Dulov
Joint-Stock company “Metallist-Samara”
Email: dulov.alexander@mail.ru
Design Engineer
Russian FederationV. G. Smelov
Samara National Research University
Email: pdla_smelov@mail.ru
Candidate of Science (Engineering), Assistant Professor
Russian FederationA. V. Sotov
Samara National Research University
Email: sotovanton@yandex.ru
Candidate of Science (Engineering)
Assistant Lecturer
A. V. Agapovichev
Samara National Research University
Email: agapovichev5@mail.ru
Senior Lecturer
Russian FederationReferences
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- Sotov A.V., Pronichev N.D., Smelov V.G., Bogdanovich V.I., Giorbelidze M.G., Agapovichev A.V. Development algorithm of the technological process of manufacturing gas turbine parts by selective laser melting. Izvestiya Samarskogo Nauchnogo Tsentra RAN. 2017. V. 19, no. 4. P. 96-104. (In Russ.)
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