Application of Enthalpy Deficit Flamelet Model in Spray Combustion Simulation

HE Junyi; LI Feng; HU Qun; WANG Lipo

doi:10.21656/1000-0887.440064

Volume 44 Issue 9

Sep. 2023

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HE Junyi, LI Feng, HU Qun, WANG Lipo. Application of Enthalpy Deficit Flamelet Model in Spray Combustion Simulation[J]. Applied Mathematics and Mechanics, 2023, 44(9): 1017-1030. doi: 10.21656/1000-0887.440064

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Application of Enthalpy Deficit Flamelet Model in Spray Combustion Simulation

doi: 10.21656/1000-0887.440064

HE Junyi^1
,,
LI Feng^2
,,
HU Qun^1
,,
WANG Lipo^{1
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1.
UM-SJTU Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, P.R.China
2.
Beijing Power Machinery Research Institute, Beijing 100074, P.R.China

Received Date: 2023-03-10
Rev Recd Date: 2023-05-12
Publish Date: 2023-09-01

Abstract

Abstract

An OpenFOAM-based solver for spray combustion simulation with the large eddy simulation (LES) and the flamelet generated manifold (FGM) method, was developed. A simple reduction of the temperature was employed to account for the evaporative heat loss. The solver was firstly validated against the Sydney piloted ethanol spray flame benchmark EtF7. The predicted mean gas temperature and droplet statistics correspond well with the experimental data and have similar accuracy to the spray flamelet model. The turbulence-chemistry interaction modeling may have a larger influence on the simulation accuracy. Then a realistic gas turbine slinger combustor was simulated with 2 sets of operating conditions. The simulation results reveal different flame characteristics of the 2 working conditions. The predicted total pressure losses are close to the measured values.
- spray combustion,
- large eddy simulation,
- flamelet generated manifold,
- gas turbine slinger combustor

(Contributed by WANG Lipo, M. AMM Editorial Board)

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References(26)

References

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