Comparative Study of the NO x, CO Emissions, and Stabilization Characteristics of H 2 -Enriched Liquefied Petroleum Gas in a Swirl Burner

Abay Mukhamediyarovich Dostiyarov, Dias Raybekovich Umyshev (), Zhanar Abdeshevna Aidymbayeva, Ayaulym Konusbekovna Yamanbekova, Zhansaya Serikkyzy Duisenbek, Madina Bakytzhanovna Kumargazina, Nurlan Rezhepbayevich Kartjanov and Ainur Serikbayevna Begimbetova
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Abay Mukhamediyarovich Dostiyarov: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Dias Raybekovich Umyshev: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Zhanar Abdeshevna Aidymbayeva: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Ayaulym Konusbekovna Yamanbekova: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Zhansaya Serikkyzy Duisenbek: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Madina Bakytzhanovna Kumargazina: Department of Thermal Engineering, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan
Nurlan Rezhepbayevich Kartjanov: Department of Thermal Power Engineering, L.N. Gumilyov Eurasian National University, Astana 010000, Kazakhstan
Ainur Serikbayevna Begimbetova: Department of Life Safety and Environmental Protection, Institute of Energy and Green Technologies, Energo University After Gumarbek Daukeev, Almaty 050013, Kazakhstan

Energies, 2024, vol. 17, issue 23, 1-14

Abstract: The global shift toward renewable fuels and the reduction in anthropogenic environmental impact have become increasingly critical. However, the current challenges in fully transitioning to environmentally friendly fuels necessitate the use of transitional fuel mixtures. While many alternatives have been explored, the combination of hydrogen and LPG appears to be the most practical under the conditions specific to Kazakhstan. This study presents experimental findings on a novel burner system that utilizes the airflow swirl and hydrogen enrichment of LPG. It evaluates the effects of hydrogen addition, fuel supply methods, and swirl intensity—achieved by adjusting the outlet vanes—on flame stabilization as well as NO x and CO emissions. The results show that the minimum NO x concentration achieved was 12.08 ppm, while the minimum CO concentration was 101 ppm. Flame stabilization studies indicate that supplying the fuel at the center of the burner, rather than at the base, improves stabilization by 23%. Additionally, increasing the proportion of hydrogen positively affects stabilization. However, the analysis also reveals that, as the hydrogen content in the fuel rises, NO x concentrations increase. These findings highlight the importance of balancing the hydrogen enrichment, airflow swirl, and fuel supply methods to achieve optimal combustion performance. While hydrogen-enriched LPG offers enhanced flame stabilization, the associated rise in NO x emissions presents a challenge that requires careful management to maintain both efficiency and environmental compliance.

Keywords: LPG; swirl; hydrogen; combustion; enrichment (search for similar items in EconPapers)
JEL-codes: Q Q0 Q4 Q40 Q41 Q42 Q43 Q47 Q48 Q49 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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