Numerical simulation of flow and mixing processes within cylindrical stabiliser burner

Authors

DOI:

https://doi.org/10.15587/1729-4061.2014.24895

Keywords:

stabilizer burner, cylindrical flame stabilizer, transfer processes intensification

Abstract

A complex of numerical simulation on determining the patterns of the influence of various ways of transfer processes intensification in cylindrical stabilizer burners with fuel feed by introducing in the cross flow of oxidant on the characteristics of these processes is performed. The studies of the influence of a rectangular annular recess on the flow parameters in cylindrical burner are conducted. It is found that, in the presence of recess, the flow turbulence intensity increases. Moreover, at places of its maximum values it may almost twice exceed the corresponding quantities in the absence of recess. Zone of the greatest influence of the recess on the flow turbulization is localized near its position, which is important for fuel ignition and flame stabilization. Pressure losses, associated with the presence of the annular rectangular recess are small and, for the considered conditions, do not exceed 6% of the total pressure losses in the burner in the absence of recess. The analysis of opportunities of flow and mixing intensification in cylindrical burners by mounting plate flow turbulators on stalling edges of the stabilizer is carried out. It is shown that using turbulators provides significant flow turbulization, which is to the greatest extent apparent near the boundaries of recirculation mixing zones. This is accompanied by mixing processes intensification in accordance with fuel and oxidant flow turbulization.

Author Biographies

Наталия Михайловна Фиалко, Institute of Engineering Thermophysics National Academy of Science of Ukraine Zhelyabov 2а, Kyiv, Ukraine, 03057

Honored worker of Scientist of Ukraine, Corresponding Member of the, Doctor of Technical Science, Professor, Head of Small Power Department NAS of Ukraine

Юлий Владиславович Шеренковский, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Candidate of Sciences, Senior Research Scientist

Николай Владимирович Майсон, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Research Scientist

Наталья Олеговна Меранова, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Candidate of Sciences, Senior Research Scientist

Михаил Загретдинович Абдулин, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Candidate of Sciences, Senior Research Scientist

Леонид Сергеевич Бутовский, National Technical University of Ukraine "Kyiv Polytechnic Institute" Prospect Peremohy 37, Kyiv, Ukraine, 03056

Candidate of Sciences, Associate Professor, Senior Lecturer

Department of Heat-and-power engineering plants of thermoelectric and nuclear power stations

Нина Петровна Полозенко, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Research Scientist

Андрей Владимирович Клищ, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Postgraduate Student

Светлана Николаевна Стрижеус, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Research Scientist

Александра Борисовна Тимощенко, NAS of Ukraine Institute of Engineering Thermophysics Zhelyabov 2а, Kyiv, Ukraine, 03057

Research Scientist

References

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Published

2014-06-25

How to Cite

Фиалко, Н. М., Шеренковский, Ю. В., Майсон, Н. В., Меранова, Н. О., Абдулин, М. З., Бутовский, Л. С., Полозенко, Н. П., Клищ, А. В., Стрижеус, С. Н., & Тимощенко, А. Б. (2014). Numerical simulation of flow and mixing processes within cylindrical stabiliser burner. Eastern-European Journal of Enterprise Technologies, 3(8(69), 40–44. https://doi.org/10.15587/1729-4061.2014.24895

Issue

Vol. 3 No. 8(69) (2014): Energy-saving technologies and equipment

Section

Energy-saving technologies and equipment

License

Copyright (c) 2014 Наталия Михайловна Фиалко, Юлий Владиславович Шеренковский, Николай Владимирович Майсон, Наталья Олеговна Меранова, Михаил Загретдинович Абдулин, Леонид Сергеевич Бутовский, Нина Петровна Полозенко, Андрей Владимирович Клищ, Светлана Николаевна Стрижеус, Александра Борисовна Тимощенко

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