Synergetic combustion behavior of aluminum and coal addition in hybrid iron-methane-air premixed flames

Li, Yueh Heng; Pangestu, Stalline; Purwanto, Aris; Chen, Chih Ting

doi:10.1016/j.combustflame.2021.02.013

Cited by 23 publications

(5 citation statements)

References 42 publications

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“…A similar phenomenon was observed by Park et al [44]. Apart from fuel NO, NOx primarily originates from thermal NO and prompt NO [45]. The emission of NOx during the combustion of liquid fuels is a complex process influenced by different factors.…”

Section: Emissionsupporting

confidence: 80%

“…Namely, N-content in NF1 and NF2 was 0.16 w.% and 0.05 w.%, respectively; nevertheless, during the combustion of liquid fuels, N-fuel content is not the only factor that influences NOx emission. Some comparisons of Apart from fuel NO, NO x primarily originates from thermal NO and prompt NO [45]. The emission of NO x during the combustion of liquid fuels is a complex process influenced by different factors.…”

Section: Emissionmentioning

confidence: 99%

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Application of Fatty Acids Distillation Products as a Substitute for Heavy Fuel Oil in Stationary Combustion Chambers

Lasek,

Głód,

Czardybon

et al. 2023

Applied Sciences

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Liquid biofuels are of special interest due to the possibility of their application as a substitute for fossil liquid fuels. The necessary step is to investigate the possibility of bio-fuel application in terms of its properties and similarities to fossil liquid fuels (e.g., crude oil, heavy fuel oil, diesel). The properties and combustion performance of heavy fuel oil (HFO) and products of the fatty acids distillation residues (FADR) were analyzed in this study. The application of animal-fat-delivered fuels is fully suggested in the literature. Nevertheless, the investigations focused on the raw materials or their transformation into diesel. The novelty of this paper is the utilization of FADR as a substitute for HFO. The utilization of FADR allows the use of this material as a feedstock to obtain valuable products (fuel) and avoids generating waste after animal fat processing. The experimental investigations were carried out using a technical-scale 150 kWth combustion chamber. FADR can be recognized as a substitute for HFO due to its beneficial calorific properties and viscosity. Other beneficial effects are the significantly lower emission of SO2 (lower than 1 ppm) and PAHs (i.e., 355 µg/m3n) during the combustion of FADR. Finally, the application of FADR requires less energy demand for fuel heating and pressurization.

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Section: Emissionsupporting

confidence: 80%

Section: Emissionmentioning

confidence: 99%

Application of Fatty Acids Distillation Products as a Substitute for Heavy Fuel Oil in Stationary Combustion Chambers

Lasek,

Głód,

Czardybon

et al. 2023

Applied Sciences

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“…This design can help to laminarize the mixture before exiting from the nozzle. This burner has been used in our previous experiment [14]. The feeding system of this experiment was a low concentration particle disperser (RBG 1000 Palas GmbH, Germany), as shown in Figure 1(b).…”

Section: Burner and Feeding Systemmentioning

confidence: 99%

“…The aim of this study is to underlying the micro-explosion phenomena of iron hybrid combustion. In our previous study [14], we mixed iron particles with aluminum and coal particle. We want to examine combustion interaction between two particles with different combustion modes.…”

Section: Introductionmentioning

confidence: 99%

The role of CO on micro-explosion of iron particle in methane-air premixed flames

Purwanto

Zhuang

2021

ICLASS

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When aluminum is mixed with zirconium, aluminum would evaporate and oxidize with oxygen. Alumina would attach with zirconium. Nitrogen and oxygen would dissolve into zirconium particles and form bubbles. Then, bubbles would grow gradually due to nucleation. However, the severe growth rate of bubbles led to micro-explosion phenomena. It is a so-called particle microexplosion for Al-Zr hybrid metal combustion. In the previous study, an iron-coal mixture was delivered to methane-air premixed flames, and an exciting particle microexplosion phenomenon was observed during this experiment. In our proposed speculation, the presence of CO may dissolve in iron particles and produce bubbles. A portion of CO bubbles may react with iron and yield iron carbonyl (Fe(CO)5).Consequently, the merged bubbles would gradually increase their inner pressure, and meantime combustible mixture of iron carbonyl and oxygen may induce the microexplosion. To elucidate the role of CO in the microexplosion mechanism, a hybrid iron-methane air premixed flame diluted with different concentrations of CO was used to observe the mechanism of particle microexplosion. The particle concentration varied from 0 -350 g/m 3 . Therefore, it conjectures that CO was dissolved into iron particles, giving rise to expanding the volume of a metal particle and inducing microexplosion.

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“…Further, a mixing device to load the particles into the premixed gas was developed. A combustor system is similar to a Bunsen burner [5,6,8]. Furthermore, with a high-speed camera having a laser sheet, the particle motion was captured.…”

Section: Introductionmentioning

confidence: 99%

Structure of Solid-Gas Hybrid Flames

et al. 2023

Preprint

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Herein, the flame structure of a "hybrid fuel" as a mixture of combustible gas and solids in powder form was studied experimentally. A circular burner was used, and a rich premixed flame was achieved. The results showed that the powder underwent high-temperature pyrolysis in the region sandwiched by the inner and outer flames to gasify quickly. The gasification efficiency was estimated experimentally to prove that a sufficient amount of powder could be burned out in this system.

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Synergetic combustion behavior of aluminum and coal addition in hybrid iron-methane-air premixed flames

Cited by 23 publications

References 42 publications

Application of Fatty Acids Distillation Products as a Substitute for Heavy Fuel Oil in Stationary Combustion Chambers

Application of Fatty Acids Distillation Products as a Substitute for Heavy Fuel Oil in Stationary Combustion Chambers

The role of CO on micro-explosion of iron particle in methane-air premixed flames

Structure of Solid-Gas Hybrid Flames

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