NUMERICAL INVESTIGATION OF THE EFFECTS OF INITIAL TEMPERATURE ON THE IGNITION IN A SHEAR- LESS MIXING LAYER

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EIDI ATTAR ZADE MASOUD; TABEJAMAAT SADEGH; FARSHCHI MOHAMMAD; MANI MAHMOUD

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Journal: FUEL AND COMBUSTION Year:2018 | Volume:11 | Issue:1 Page(s): 101-120

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Title

NUMERICAL INVESTIGATION OF THE EFFECTS OF INITIAL TEMPERATURE ON THE IGNITION IN A SHEAR- LESS MIXING LAYER

Author(s)

EIDI ATTAR ZADE MASOUD | TABEJAMAAT SADEGH | FARSHCHI MOHAMMAD | MANI MAHMOUD | Issue Writer Certificate

Keywords

IGNITIONQ1

SHEAR- LESS FLOWQ1

LARGE EDDY SIMULATIONQ1

THICKENED FLAME APPROACHQ1

EDGE FLAMEQ1

Abstract

IGNITION process in a shear- less mixing layer is studied in this paper and the main goal is to investigate the effects of initial temperature on the flame propagation phase of IGNITION process. The investigation is done using LARGE EDDY SIMULATION method, coupled with THICKENED FLAME APPROACH and DRM19 chemical mechanism. Mean and RMS axial velocities from both coarse and fine grids and mean mixture fraction are validated against experimental results. Most upstream and downstream positions of the flame edge are in good agreement with the experimental data. By increasing the initial temperature from 323K to 1000K, the mean EDGE FLAME propagation velocity increases from 1 to 4.2m/s. The same trend exists for flame kernel volume. Comparing the calculated EDGE FLAME propagation velocity and laminar flame speed and its root density correction shows that corrected laminar flame propagation can better predict the EDGE FLAME propagation velocity. Also, by increasing the initial temperature, bibrachial EDGE FLAME converts to a triple flame.

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APA: Copy

EIDI ATTAR ZADE, MASOUD, TABEJAMAAT, SADEGH, FARSHCHI, MOHAMMAD, & MANI, MAHMOUD. (2018). NUMERICAL INVESTIGATION OF THE EFFECTS OF INITIAL TEMPERATURE ON THE IGNITION IN A SHEAR- LESS MIXING LAYER. FUEL AND COMBUSTION, 11(1 ), 101-120. SID. https://sid.ir/paper/138480/en

Vancouver: Copy

EIDI ATTAR ZADE MASOUD, TABEJAMAAT SADEGH, FARSHCHI MOHAMMAD, MANI MAHMOUD. NUMERICAL INVESTIGATION OF THE EFFECTS OF INITIAL TEMPERATURE ON THE IGNITION IN A SHEAR- LESS MIXING LAYER. FUEL AND COMBUSTION[Internet]. 2018;11(1 ):101-120. Available from: https://sid.ir/paper/138480/en

IEEE: Copy

MASOUD EIDI ATTAR ZADE, SADEGH TABEJAMAAT, MOHAMMAD FARSHCHI, and MAHMOUD MANI, “NUMERICAL INVESTIGATION OF THE EFFECTS OF INITIAL TEMPERATURE ON THE IGNITION IN A SHEAR- LESS MIXING LAYER,” FUEL AND COMBUSTION, vol. 11, no. 1 , pp. 101–120, 2018, [Online]. Available: https://sid.ir/paper/138480/en

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