An experimental investigation of stability and operation of a biogas fueled porous burner

Keramiotis, Christos; Founti, M.

doi:10.1016/j.fuel.2012.09.058

Cited by 59 publications

(13 citation statements)

References 34 publications

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“…In the current work, the biogas configuration of 60% methane and 40% carbon dioxide (molar base) was used. This ratio of biogas was also used by a few other researchers (Pomeroy, 2008;Colorado et al, 2010;Scholz & Ellner, 2011;Salunkhe, Rai, & Borker, 2012;Noor et al, 2012aNoor et al, , 2012bNoor et al, , 2012cKeramiotis & Founti, 2013). Table 2 shows the CFD setup and typical data for the combustion chamber.…”

Section: Cfd Modelingmentioning

confidence: 99%

Analysis of Recirculation Zone and Ignition Position of Non-Premixed Bluff-Body for Biogas MILD Combustion

Noor¹,

Wandel²,

Yusaf³

2013

Int J Automot Mech Eng

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Combustion ignition study is important due to the combustion process becoming more lean and efficient. This paper studied the recirculation zone and ignition location for the bluff-body non-premixed MILD burner with biogas used as fuel. The location of the ignition was critical to ensure that the spark energy supply during the ignition process can successfully ignite the mixture of air and fuel. The numerical calculations were done using the commercial code ANSYS-Fluent to simulate the furnace with a bluffbody burner to determine the recirculation zone. The turbulence model used was the realizable k-ε model. The inner recirculation zone between the air and fuel nozzle is the best location for the ignition point, since the low velocity of air and fuel mixing will assist the ignition process. This is because the ignition energy will have time to ignite the mixture in the low speed turbulent swirl flow. The most suitable location with the highest possibility of ignition is the center of the recirculation zone.

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Section: Cfd Modelingmentioning

confidence: 99%

Analysis of Recirculation Zone and Ignition Position of Non-Premixed Bluff-Body for Biogas MILD Combustion

Noor¹,

Wandel²,

Yusaf³

2013

Int J Automot Mech Eng

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“…In this simulation, 60% methane was mixed with 40% carbon dioxide to form the low calorific value gas. This ratio of biogas also used by Noor et al (2012cNoor et al ( , 2012d and Keramiotis and Founti (2013). The initial results for the CFD simulation of combustion temperature and EGR flow are shown in Figures 7, 8 and 9.…”

Section: Open Furnacementioning

confidence: 89%

A review of MILD combustion and open furnace design consideration

Noor¹,

Wandel²,

Yusaf³

2012

Int J Automot Mech Eng

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Combustion is still very important to generate energy. Moderate or Intense Low-oxygen Dilution (MILD) combustion is one of the best new technologies for clean and efficient combustion. MILD combustion has been proven to be a promising combustion technology in industrial applications with decreased energy consumption due to the uniformity of its temperature distribution. It is clean compared to traditional combustion due to producing low NO x and CO emissions. This article provides a review and discussion of recent research and developments in MILD. The issue and applications are summarized, with some suggestions presented on the upgrading and application of MILD in the future. Currently MILD combustion has been successfully applied in closed furnaces. The preheating of supply air is no longer required since the recirculation inside the enclosed furnace already self-preheats the supply air and selfdilutes the oxygen in the combustion chamber. The possibility of using open furnace MILD combustion will be reviewed. The design consideration for open furnace with exhaust gas re-circulation (EGR) was discussed.

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“…Early studies focused on combustion of low-calorific simulated gaseous fuel in porous burner e.g. Al-Hamamre et al [46], Francisco et al [47-48], Keramiotis and Founti [49], Keramiotis et al [50], and Huang et al [51]. In addition, the numerical study of combustion of low-calorific producer gas within late mixing porous burner was proposed by Jirakulsomchok and Theinnoi [52].…”

Section: Introductionmentioning

confidence: 99%

Experimental study of combustion of low-calorific producer gas from small scale biomass gasification within porous burner

Jirakulsomchok¹,

Wongchang²,

Prasartthong³

2021

Journal of Thermal Engineering

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The aim of this experimental study is to investigate the combustion low-calorific producer gas within porous burner. The small scale downdraft biomass gasification for rural area was performed to produce gaseous fuel. Three types of wood in Thailand were used as raw materials to produce producer gas, i.e. Acacia-mangium, White popinac and Eucalyptus. The low heating values of producer gas were in the range of 3800-4232 kJ.kg -1 that are difficult to burn in conventional burner. Tapered and bilayer porous burners were used to overcome this limitation. The effects of air preheating modes, equivalence ratio and firing rate on thermal structure and pollutant emission were revealed. The results showed that the complete combustion with low emission of low-calorific producer gas was accomplished with low firing rate in the range of 2.8 -3 kW. Both CO and NO x emission were less than 160 ppm for all of tests. The combustion within tapered porous burner emitted small CO emission nearly zero for all of equivalence ratios. The tar reduction was 99.5% by combustion within porous burner.

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An experimental investigation of stability and operation of a biogas fueled porous burner

Cited by 59 publications

References 34 publications

Analysis of Recirculation Zone and Ignition Position of Non-Premixed Bluff-Body for Biogas MILD Combustion

Analysis of Recirculation Zone and Ignition Position of Non-Premixed Bluff-Body for Biogas MILD Combustion

A review of MILD combustion and open furnace design consideration

Experimental study of combustion of low-calorific producer gas from small scale biomass gasification within porous burner

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