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Advances in Aerodynamics

Table 2 Comparison of cross-sectional flow distribution ratios between the main combustion hole and the mixing hole in the dual swirl combustor

From: Optimization of aero-engine combustion chambers with the assistance of Hierarchical-Kriging surrogate model based on POD downscaling method

Calculation method

Main combustion hole cross section

Mixing hole cross section

1D calculation (Case 1)

0.488

0.809

1D calculation (Case 2)

0.490

0.804

CFD 3D calculation

0.476

0.848

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