Laminar near-wall combustion: Analysis of tabulated chemistry simulations by means of detailed kinetics

Ganter, Sebastian; Straßacker, Christina; Kuenne, G.; Meier, Torben; Heinrich, Arne; Maas, Ulrich; Janicka, J.

doi:10.1016/j.ijheatfluidflow.2018.02.015

Cited by 28 publications

(25 citation statements)

References 34 publications

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“…The progress variable Y c for methane and DME is chosen to be the mass fraction of CO 2 , which is consistent with previous studies of flame-wall interactions (Ganter et al 2017(Ganter et al , 2018. The construction of FGM, QFM and REDIM is described in Sects.…”

Section: Chemistry Manifoldsmentioning

confidence: 99%

“…Detailed investigations of flame-wall interaction are often carried out in generic configurations. Recently, flame-wall interactions in a side-wall quenching (SWQ) geometry were studied experimentally (Jainski et al 2017a, b;Kosaka et al 2019Kosaka et al , 2018 and numerically (Ganter et al 2017(Ganter et al , 2018Efimov et al 2019) for methane-air flames. In the experimental studies of Kosaka et al (2018Kosaka et al ( , 2019 DME was considered for the first time.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Numerical Investigation of Local Heat-Release Rates and Thermo-Chemical States in Side-Wall Quenching of Laminar Methane and Dimethyl Ether Flames

Steinhausen

Luo

Popp

et al. 2020

Flow Turbulence Combust

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The local heat-release rate and the thermo-chemical state of laminar methane and dimethyl ether flames in a side-wall quenching configuration are analyzed. Both, detailed chemistry simulations and reduced chemistry manifolds, namely Flamelet-Generated Manifolds (FGM), Quenching Flamelet-generated Manifolds (QFM) and Reaction-Diffusion Manifolds (REDIM), are compared to experimental data of local heat-release rate imaging of the lab-scale side-wall quenching burner at Technical University of Darmstadt. To enable a direct comparison between the measurements and the numerical simulations, the measurement signals are computed in all numerical approaches. Considering experimental uncertainties, the detailed chemistry simulations show a reasonable agreement with the experimental heat-release rate. The comparison of the FGM, QFM and REDIM with the detailed simulations shows the high prediction quality of the chemistry manifolds. For the first time, the thermo-chemical state during quenching of a dimethyl ether-air flame is examined numerically. Therefore, the carbon monoxide and temperature predictions are analyzed in the vicinity of the wall. The obtained results are consistent with previous studies for methane-air flames and extend these findings to more complex oxygenated fuels. Furthermore, this work presents the first comparison of the QFM and the REDIM in a side-wall quenching burner.

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Section: Chemistry Manifoldsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Numerical Investigation of Local Heat-Release Rates and Thermo-Chemical States in Side-Wall Quenching of Laminar Methane and Dimethyl Ether Flames

Steinhausen

Luo

Popp

et al. 2020

Flow Turbulence Combust

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“…Downstream of the quenching point, the isothermal of the detailed chemistry simulations then approach each other while the FGM slightly depart from them. Accordingly, and as also analyzed by Ganter et al [33], this is due to tabulation assumption regarding diffusive fluxes orthogonal to the controlling variables. As mentioned, correcting this would require an immensely increased tabulation effort being currently not yet applicable to this configuration.…”

Section: Evaluation Of Simplifying Assumptions For Fwi Applicationmentioning

confidence: 91%

“…It turned out that FGM can generally satisfactorily predict the flame attachment position and the transported major species as well as the temperature profiles. Pollutants such as the accumulation of carbon-monoxide near the wall could not be predicted by FGM (Ganter et al [33]). They showed that this is also possible by advanced or at least more specific tabulation techniques, which, however, require further development.…”

Section: Evaluation Of Simplifying Assumptions For Fwi Applicationmentioning

confidence: 99%

Investigation of the Turbulent Near Wall Flame Behavior for a Sidewall Quenching Burner by Means of a Large Eddy Simulation and Tabulated Chemistry

Heinrich

Kuenne

Ganter

et al. 2018

Fluids

Self Cite

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Combustion will play a major part in fulfilling the world’s energy demand in the next 20 years. Therefore, it is necessary to understand the fundamentals of the flame–wall interaction (FWI), which takes place in internal combustion engines or gas turbines. The FWI can increase heat losses, increase pollutant formations and lowers efficiencies. In this work, a Large Eddy Simulation combined with a tabulated chemistry approach is used to investigate the transient near wall behavior of a turbulent premixed stoichiometric methane flame. This sidewall quenching configuration is based on an experimental burner with non-homogeneous turbulence and an actively cooled wall. The burner was used in a previous study for validation purposes. The transient behavior of the movement of the flame tip is analyzed by categorizing it into three different scenarios: an upstream, a downstream and a jump-like upstream movement. The distributions of the wall heat flux, the quenching distance or the detachment of the maximum heat flux and the quenching point are strongly dependent on this movement. The highest heat fluxes appear mostly at the jump-like movement because the flame behaves locally like a head-on quenching flame.

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“…In the most studies which applied the laser diagnostics methods, the methane/air premixed flames were chosen as the fundamental flame because it had the simple chemical mechanism and less soot formation [92][93][94][95][96][97][98][99]102,103 which might interfere the measurements of laser devices. Several researchers also adopted some other complex gas fuels in the 91 methane/air premixed flames, Häber and Suntz also conducted the experiments of the influence of wall materials on pollutants emissions in FWI of propane/air flames with a wide range of equivalence ratios as the supplement for the previous studies.…”

Section: Arrangements Of Fuel Types Flame Types and The Plate Positimentioning

confidence: 99%

Pollutants Emissions of CO and Soot from Flame-wall Interactions in Fundamental and Practical Energy Conversion Systems: A Review

Luo¹,

Liu²

2018

ES Energy Environ.

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Flame-wall interactions (FWI) as one kind of fundamental combustion phenomenon is universally found in various laboratory and practical combustion devices. It not only affects the combustion and energy conversion efficiency but also induces severe pollutants emissions. This review summarizes the pollutants emission characteristics in FWI from CO and soot aspects. The investigations of CO formation from FWI in various fundamental and practical energy conversion systems with different fuel types, operating conditions, sampling and analyzing methods and etc. are separately discussed. Meanwhile, multiple advanced laser diagnostics techniques are also adopted in different laboratory impinging flames to acquire more accurate and precise measurements of CO distributions in FWI. To gain more knowledge of pollutants emissions in FWI, the behaviors of soot from practical internal engines are observed with the aid of visualization techniques. Studies that utilize different combustion system configurations to modulate soot formation in FWI of practical engines are conducted as well. Recent literature subsequently evaluates the variations of soot morphology and nanostructure in FWI. The characteristics of soot particle size distribution function (PSDF) from FWI are briefly studied via burner-stabilized stagnation (BBS) flames at laboratory scale. The review ends with the unresolved issues for the future research.

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Laminar near-wall combustion: Analysis of tabulated chemistry simulations by means of detailed kinetics

Cited by 28 publications

References 34 publications

Numerical Investigation of Local Heat-Release Rates and Thermo-Chemical States in Side-Wall Quenching of Laminar Methane and Dimethyl Ether Flames

Numerical Investigation of Local Heat-Release Rates and Thermo-Chemical States in Side-Wall Quenching of Laminar Methane and Dimethyl Ether Flames

Investigation of the Turbulent Near Wall Flame Behavior for a Sidewall Quenching Burner by Means of a Large Eddy Simulation and Tabulated Chemistry

Pollutants Emissions of CO and Soot from Flame-wall Interactions in Fundamental and Practical Energy Conversion Systems: A Review

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