Experimental investigation on combustion and emission characteristics of a premixed flame in a gas-turbine combustor with a vortex generator

Kim, Gu; Lee, Young Duk; Sohn, Chae Hoon; Choi, Keun Won; Kim, Han Seok

doi:10.1016/j.applthermaleng.2014.11.073

Cited by 15 publications

(5 citation statements)

References 18 publications

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“…Additionally, the examination of combustion and emission characteristics aligns with Kim et al's (2015) study on a premixed flame in a gas turbine combustor with a vortex generator. 18 While resonating with their objectives, this study introduces distinctive experimental conditions or analytical approaches that contribute novel perspectives, accentuating the research gap addressed and indicating where this study provides innovative insights beyond the existing body of literature.…”

Section: Introductionmentioning

confidence: 95%

Experimental investigations of the fire behavior of composites impacted by kerosene/air turbulent flame

Ogabi,

Manescau,

Chetehouna

2024

Journal of Composite Materials

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In this research, we conducted an experimental analysis of a Kerosene/air burner designed according to the FAA's proposed ISO 2685 standard. The burner serves as a vital tool for generating flames and burnt gases, simulating real-world conditions relevant to fire safety studies. The core objective of this study was to comprehensively characterize the burner's behavior. Through a series of experiments, we investigated the influence of the equivalence ratio on several key parameters, including the spatial distribution of gas temperature (monitored using thermocouples), heat flux (measured with heat flux gauges), and the composition of gas emission species. Notably, our findings revealed a significant correlation between the equivalence ratio and these parameters. Specifically, we observed that as the equivalence ratio increased, so did the flame temperature, heat flux, and heat release rate. This increase continued until a critical equivalence ratio value of 1.03 was reached, resulting in a flame temperature of 1101.5°C and a heat flux of 140 kW/m2. Furthermore, our study encompassed a pyrolysis test on various composite materials, including Carbon-phenolic, Carbon-BMI, and Carbon-PEKK. The comparative analysis of these materials highlighted the superiority of Carbon-PEKK, which exhibited the lowest mass loss, the highest back-face temperature without experiencing significant material delamination, and the lowest concentration of gas emission species. Importantly, our investigation also delved into the influence of the equivalence ratio on the flow's turbulence characteristics, a critical factor in comprehending the burner's performance and its interactions with materials in the context of fire safety scenarios. These findings contribute to a better understanding of combustion dynamics, which is invaluable for enhancing fire safety measures and developing more efficient flame-generating systems.

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Section: Introductionmentioning

confidence: 95%

Experimental investigations of the fire behavior of composites impacted by kerosene/air turbulent flame

Ogabi,

Manescau,

Chetehouna

2024

Journal of Composite Materials

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“…A vortex generator is equipment that generates vortices in the flow field, and it has been used in several applications. Kim et al conducted an experimental study to investigate the premixed flame behavior using a vortex generator in a gas turbine combustor. For the sake of comparison, they performed exhaust gas measurements for NO x and CO emissions with and without the use of a vortex generator.…”

Section: Swirl Stabilizer Approach For Stability and Emission Enhance...mentioning

confidence: 99%

Review on Premixed Combustion Technology: Stability, Emission Control, Applications, and Numerical Case Study

Rashwan

Nemitallah

2016

Energy Fuels

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Recently, premixed combustion dominated the field of combustion research worldwide. The current work is a review that addresses the stability, approaches, and emission control of premixed flames in different applications. The study addresses the recent developments made to overcome the combustor operability issues, including flame stability and emission control. The influences of oxidizer and fuel flexibility using oxy-fuel combustion and hydrogen enrichment on combustion efficiency and flame stability are investigated. Furthermore, the influences of operating and combustor design conditions on flame characteristics are discussed. Recent developments in swirl-stabilized combustor are analyzed and summarized. The effect of premixing on emissions is investigated, considering a variety of design and operating conditions in different applications. As per this survey, the application of fully premixed combustion in the industrial area is even so defined; all the same, promising designs are under development. The challenges regarding the application of the premixed combustion technology in the industrial field are discussed. The role of numerical CFD techniques to predict the reacting flow field and heat release in premixed combustion mode is addressed. A numerical case study is presented to address the premixed combustion characteristics in a swirl stabilizer gas turbine combustor.

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“…An adiabatic process was considered for the combustion chamber. Each blend was represented by its number and an acronym (X. Y. and Z) in which ''X" stands for the molar fraction of argon, ''Y" for H 2 O and ''Z" for CO 2 . The remaining fractions were used for oxygen and methane at a range of equivalence ratios which is between 0.67-1.00.…”

Section: Setupmentioning

confidence: 99%

“…The dependency on gas turbines in the power sector has been vastly increasing because of their versatility in covering a wide range of energy load demands [2]. In gas-turbine combustors, different advanced technologies have been investigated to mitigate CO 2 emissions and other pollutants to maintain a clean environment [3].…”

Section: Introductionmentioning

confidence: 99%

“…Increasing demand for energy production from fossil fuel-fired electrical plants significantly raises anthropogenic emissions of CO 2 , with its inherent consequences for climate change [1]. The dependency on gas turbines in the power sector has been vastly increasing because of their versatility in covering a wide range of energy load demands [2].…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

CO2-argon-steam oxy-fuel (CARSOXY) combustion for CCS inert gas atmospheres in gas turbines

Al-Doboon

Guteša

Valera‐Medina

et al. 2017

Applied Thermal Engineering

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Experimental investigation on combustion and emission characteristics of a premixed flame in a gas-turbine combustor with a vortex generator

Cited by 15 publications

References 18 publications

Experimental investigations of the fire behavior of composites impacted by kerosene/air turbulent flame

Experimental investigations of the fire behavior of composites impacted by kerosene/air turbulent flame

Review on Premixed Combustion Technology: Stability, Emission Control, Applications, and Numerical Case Study

CO2-argon-steam oxy-fuel (CARSOXY) combustion for CCS inert gas atmospheres in gas turbines

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