THERMAL SCIENCE

International Scientific Journal

Thermal Science - Online First

Abay M. Dostiyarov

,

Iliya K. Iliev

,

Ainura K. Makzumova

online first only

Numerical model and experimental research of a new two-tier micro-flame combustor for gas turbines

ABSTRACT
The study of a novel two-tier micro-flame combustor for gas turbines involved comprehensive modeling using SolidWorks and Ansys Fluent software packages, alongside physical experiments. Analysis of airflow velocities, pressures, temperatures within the combustion chamber, and NOx emissions led to several key findings. SolidWorks modeling confirmed stabilized airflow and uniform pressure distribution, enhancing fuel combustion. Optimal airflow velocities (15 and 30 m/s) for different operating modes were determined, highlighting the importance of airflow regulation. Ansys Fluent analysis revealed efficient mixing of the fuel-air mixture through the device's two tiers. The analysis of NOx emissions confirmed compliance with regulatory standards, up to 15 ppm. These results underscore the efficiency and stability of the combustor, making a significant contribution to the advancement of gas turbines while meeting requirements for efficiency and environmental safety.
KEYWORDS
micro-flame combustion, combustor, combustion chamber, а gas turbine, experimental stand, numerical modeling
PAPER SUBMITTED: 2024-03-18
PAPER REVISED: 2024-04-28
PAPER ACCEPTED: 2024-05-03
PUBLISHED ONLINE: 2024-06-22
DOI REFERENCE: https://doi.org/10.2298/TSCI240318141D
REFERENCES
  1. Bealessio, B.A., et al., A review of enhanced oil recovery (EOR) methods applied in Kazakhstan, Petroleum, 7(3) (2020), pp.1-28
  2. Shamoushaki, M., Ehyaei, M., Exergy, economic, and environmental (3E) analysis of a gas turbine power plant and optimization by Mopso Algorithm, Thermal Science, 22 (6A) (2018), pp. 2641-2651
  3. Li, S., et al., Research on the performance improvement of a two-shaft gas turbine with a variable area nozzle power turbine Thermal Science 24(6A) (2020), pp. 3721-3733
  4. Makzumova, A., et al., Patent KZ №36479 Dvukhyarusnoye mikrofakelnoye ustroystvo, 2023 (in Russian language). (Makzumova, A., et al., Patent KZ №36479 Two-tier Micro-flame Burner Device, 2023)
  5. Chen, K., et al., Investigation on Micro-Flame Structure of Ammonium, Thermal Science, 27(5B) (2023), pp. 4117-4134
  6. Sosso Mayi O., et al., Numerical simulation of premixed methane/air micro flame: Effects of simplified one step chemical kinetic mechanisms on the flame stability, Applied Thermal Engineering, 73 (1) (2014), pp. 567-576,
  7. Jiang, F., et al., Flame characteristics influenced by the angle of burners for non-premixed C3H8-air, Thermal Science, 26(6B) (2022), pp. 5147-5156
  8. Olaru, I. A CFD analysis in Solidworks flow simulation for two mixing fluids with different temperatures in nozzles, Journal of Engineering Studies and Research, 26(1) (2020), pp. 41-46
  9. Khairulmaini, M., et al., The Influence of Diameter and Winding on Heat Transfer Efficiency in Spiral Tube Heat Exchangers: A CAD-Integrated CFD Study Using Solidworks Flow Simulation, Journal of Physics: Conference Series 7th International Conference on Mechanical Engineering Research, (2023), pp. 1-8
  10. Jovčevski, M., et al., Mathematical and CFD methods for prediction of thermal pollution caused by thermal power plant, Thermal Science, (2023), pp. 4485-4496
  11. Dostiyarov, A., et al., Numerical investigation of combustion process behind bluff bodies during separation, Bulgarian Chemical Communications, 52, (2020), pp. 12-19
  12. Fuzhang, W., et al., Numerical analysis for the effects of heat transfer in modified square duct with heated obstacle inside it, International Communications in Heat and Mass Transfer, 129 (2021), 105666
  13. You, Y., et al., A CFD model of frost formation based on dynamic meshes technique via secondary development of ANSYS fluent, International Journal of Heat and Fluid Flow, 89 (2021), pp. 1-18
  14. Dostiyarov A, et al., Numerical modelling biogas combustion in the novel burner 8th International Conference on Energy Efficiency and Agricultural Engineering (EE&AE), (2022), pp. 1-4
  15. Minhyung L., et al., Improvement of Grid Independence Test for Computational Fluid Dynamics Model of Building Based on Grid Resolution Advances in Civil Engineering (2020) pp. 1-11
  16. Pchelkin, Yu.M, Lebedev, V.P., Kharakteristiki raboty kamery sgoraniya GTD, Vyssheye tekhnicheskoye uchilishche imeni N.E.Baymana, Moskva, SSSR, 1978 (in Russian language). (Pchelkin, Yu.M., Lebedev, V.P., Characteristics of the combustion chambers of the gas turbine engine, Higher Technical School named after N.E. Bayman, Moscow, USSR, 1978)
  17. TESTO, TESTO 350-XL Instruction manual, Testo AG Germany
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Numerical model and experimental research of a new two-tier micro-flame combustor for gas turbines