Swirl burner
A swirl burner, or vortex burner, is a type of burner that swirls the air, fuel, or both inside to increase mixing between the two. This process enables flame stabilization and can reduce greenhouse gas emissions. These burners are used in industrial settings.
Also recorded as Vortex burner
Swirl burner
- Field
- combustor
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Types
Types
There are three main types of swirl burners: axial vane, tangential, and volute. The vane-type swirl burner utilizes vanes to stabilize the flame. Tangential swirl burners use tangential inflows. Inflows must be placed upstream to have uniform tangential velocity. The swirl will also decay progressing along the burner and may not be strong enough when it exits. Volute burners are rarer and have a central spinning apparatus.
Mechanics
Mechanics
This process creates a space for flame stabilization. As air moves through the system, it rotates as a result of the shape of the apparatus. A central recirculation zone is created from the spin. A quarl is found downstream of the guide vanes. Swirl burners increase combustion efficiency through the promotion of ignition of unburnt fuel. A more homogeneous mixture of air and fuel improves combustion efficiency. The swirl number, represented by S n, is the axial flux of angular momentum to that of axial momentum. Higher swirls can lead to negative axial velocity in the center of expansion.
Application
Application
Swirl burners are used in industrial settings including uses as heating, power generators, and incinerators. Low-swirl combustion can be utilized in industrial burners and gas-fired power plants to meet low-emission standards. Able to produce 150 kW to 7.5 MW of power, emissions from swirl burners are around four to seven parts per million of and carbon monoxide. Decreasing NO x emissions can lead to an increase in carbon monoxide emissions.
Primary material
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- Wikidata, structured authority record Q138499773: Swirl burner
General reference · Wikidata
reference work
- “Swirl burner”, English Wikipedia, consulted as further reading
Reputable secondary · Wikipedia
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Part of the biographical narrative on this page reuses licensed material. Its origin, revision and licence are recorded here.
The biographical narrative on this page is based on the Wikipedia article Swirl burner, revision 1372367829 (EN edition), by its contributors. VALÉORINE has edited that text and built its own documentary record around it. The reused material is available under CC BY-SA 4.0, and this page's reuse of it is offered under the same licence. Everything else on this page — the chronology, the holdings, the evidence, the plates and the connections — is VALÉORINE's own record. Sources and licences.
Notes from the source article
Cited by Wikipedia
Notes from the source article
These works are cited by the source article, in its own numbering. They are recorded as its citations, not as sources VALÉORINE has verified.
- 1.Escudier, Marcel. A Dictionary of Mechanical Engineering. 2019. 978-0-19-883210-2.
- 2.Basu, Prabir. Boilers and Burners. 212–241. 2000. 978-1-4612-7061-4.
- 3.Dhyani, Devansh. A comprehensive study on the design and computational analysis of an air swirl burner. Matec Web of Conferences. 393. 03006. 2024. 10.1051/matecconf/202439303006.
- 4.Hübner, A.W. Experiments on a rotating-pipe swirl burner. Experimental Thermal and Fluid Science. 27. 4. 481–489. 2003. 10.1016/S0894-1777(02)00251-0.
- 5.Eck, Mattias E. G. Experimental Design Validation of a Swirl-Stabilized Burner with Fluidically Variable Swirl Number. Journal of Engineering for Gas Turbines and Power. 147. 4. 2025. 10.1115/1.4066731.
- 6.Alhamd, Abdulrahman E. J. Swirl Flame Stability for Hydrogen-Enhanced LPG Combustion in a Low-Swirl Burner: Experimental Investigation. Applied Sciences. 16. 347. 2025. 10.3390/app16010347.
- 7.Emara, Ahmed. Innovative eco-friendly design solutions for energy demands using swirl- induced burner by jets. Energy. 304. 2024. 10.1016/j.energy.2024.131900.
- 8.Zavaleta-Luna, Daniel Alejandro. Optimized Design of a Swirler for a Combustion Chamber of Non-Premixed Flame Using Genetic Algorithms. Energies. 13. 9. 2240. 2020. 10.3390/en13092240.
- 9.Cheng, Robert K. 3.2.1.4.2 Low Swirl Combustion. United States Department of Energy.
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