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BlogWe focus on high-tech research and development, energy-saving product design and production in the fields of fluid transportation (water pump, fan), fine control combustion, high-efficiency heat exchange and high-efficiency permanent magnet motor, and provide professional technical transformation services to provide users with professional comprehensive energy-saving solutions.
Soft (flameless) combustion technology
Release time:
2022-02-21
Soft combustion is also called flameless combustion. The main feature is that there is no flame surface, that is, the chemical reaction occurs in the entire combustion chamber area, the combustion is more uniform, the temperature gradient is small, and there is no local high temperature zone, so NOx emissions are even more than axial classification. One order of magnitude lower [1]. Kruse et al. [2] studied the relationship between NOx and CO emissions and equivalent ratio in soft combustion, as shown in Figure 1.
Soft combustion is also called flameless combustion. The main feature is that there is no flame surface, that is, the chemical reaction occurs in the entire combustion chamber area, the combustion is more uniform, the temperature gradient is small, and there is no local high temperature zone, so NOx emissions are even more than axial classification. One order of magnitude lower[1]。Kruse等[2]The relationship between NOx and CO emissions and equivalent ratio in soft combustion was studied, as shown in Figure 1.
Fig. 1 Relationship between NOx and CO emissions and equivalence ratio in soft combustion
Fig. 1 Schematic and top view of a laboratory LSI
References:
[1] Li Suhui, Zhang Gui-hua, Wu Yuxin. Review of advanced combustion technology for future gas turbine [J]. Journal of Tsinghua University (Natural Science Edition),2021,61(12):1423-1437.DOI:10.16511/j.cn ki.qhdxxb. 2022.25.001.
[2] KRUSE S, KERSCHGENS B, BERGER L, et al. Experimental and numerical study of MILD combustion for gas turbine applications [J].Applied Energy,2015,148: 456 46
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