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The usage of non-aligned multi-circular winding injectors for efficient fuel mixing inside the scramjet engine

Author

Listed:
  • Ben Ali, Naim
  • Basem, Ali
  • Ghodratallah, Pooya
  • Singh, Pradeep Kumar
  • jasim, Dheyaa J.
  • Sultan, Abbas J.
  • Eladeb, Aboulbaba
  • Kolsi, Lioua
  • El-Shafay, A.S.

Abstract

The usage of zigzag multi-jet configuration for efficient fuel circulation along the supersonic combustion chamber has been extensively examined in this article. To analyze the flow and fuel jet interactions, computational fluid dynamic is applied as an efficient technique to visualize the flow and fuel jet in the zigzag injection system. Injection via an annular nozzle is compared with coaxial air and fuel jet to find the effective mechanism for well-organized fuel mixing in the combustion chamber of the scramjet engine. The circulation and fuel mixing of the zigzag injection is inspected at a supersonic air stream with Mach = 4. The contour of the Mach value and stream shows that the deflection of the air stream after contact with the core of the upstream jet redirects to the core of the downstream jet and consequently, the fuel mixing is enhanced in the combustion chamber. The usage of an internal air jet expands the performance of fuel mixing of annular jets up to 100 % in the zigzag nozzle arrangement.

Suggested Citation

  • Ben Ali, Naim & Basem, Ali & Ghodratallah, Pooya & Singh, Pradeep Kumar & jasim, Dheyaa J. & Sultan, Abbas J. & Eladeb, Aboulbaba & Kolsi, Lioua & El-Shafay, A.S., 2024. "The usage of non-aligned multi-circular winding injectors for efficient fuel mixing inside the scramjet engine," Energy, Elsevier, vol. 298(C).
    • Handle: RePEc:eee:energy:v:298:y:2024:i:c:s0360544224011769
    DOI: 10.1016/j.energy.2024.131403
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