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Investigation of peripheral vortex reverse flow (PVRF) combustor for gas turbine engines

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  • Gupta, Shreshtha Kumar
  • Kushwaha, Abhijit Kumar
  • Arghode, Vaibhav Kumar

Abstract

In a reverse flow combustor air is injected from the exit side so that the bulk gas flow reverses its direction while exiting the combustor. In the combustor investigated here, a dominant peripheral vortex away from the exit is stabilized by carefully choosing the location of the air jet. Combustion is stabilized due to internally recirculated hot product gases in this peripheral vortex. The fuel is injected in the peripheral vortex region at high velocity and rapid mixing of injected fuel with the oxidizer results in avoidance of hot spot regions and leads to overall lean combustion and low pollutant emissions. Due to reverse flow geometry, along with the presence of the peripheral vortex, favourable residence time distribution of gases is achieved (shown numerically). This resulted in lower CO emissions (confirmed experimentally). In the non-premixed mode, fuel injection port is either placed on the exit/air port side (named as RS configuration) or on the opposite side of the exit/air port (named as RO configuration). The combustor operating in RO configuration displayed wider lean operational limit, and lower CO emissions as compared to the RS configuration, while NOx emissions were almost same in both the cases.

Suggested Citation

  • Gupta, Shreshtha Kumar & Kushwaha, Abhijit Kumar & Arghode, Vaibhav Kumar, 2020. "Investigation of peripheral vortex reverse flow (PVRF) combustor for gas turbine engines," Energy, Elsevier, vol. 193(C).
    • Handle: RePEc:eee:energy:v:193:y:2020:i:c:s0360544219324612
    DOI: 10.1016/j.energy.2019.116766
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    References listed on IDEAS

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    1. Arghode, Vaibhav K. & Gupta, Ashwani K., 2011. "Development of high intensity CDC combustor for gas turbine engines," Applied Energy, Elsevier, vol. 88(3), pages 963-973, March.
    2. Arghode, Vaibhav K. & Gupta, Ashwani K. & Bryden, Kenneth M., 2012. "High intensity colorless distributed combustion for ultra low emissions and enhanced performance," Applied Energy, Elsevier, vol. 92(C), pages 822-830.
    3. Arghode, Vaibhav K. & Gupta, Ashwani K., 2011. "Investigation of forward flow distributed combustion for gas turbine application," Applied Energy, Elsevier, vol. 88(1), pages 29-40, January.
    4. Arghode, Vaibhav K. & Gupta, Ashwani K., 2010. "Effect of flow field for colorless distributed combustion (CDC) for gas turbine combustion," Applied Energy, Elsevier, vol. 87(5), pages 1631-1640, May.
    5. Arghode, Vaibhav K. & Gupta, Ashwani K., 2011. "Investigation of reverse flow distributed combustion for gas turbine application," Applied Energy, Elsevier, vol. 88(4), pages 1096-1104, April.
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    Cited by:

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    2. Pramanik, Santanu & Ravikrishna, R.V., 2022. "Non premixed operation strategies for a low emission syngas fuelled reverse flow combustor," Energy, Elsevier, vol. 254(PB).

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