燃烧室多斜孔壁流量系数研究
DISCHARGE COEFFICIENTS OF INCLINED MULTI-HOLE WALL COOLING IN A COMBUSTOR
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Abstract: Discharge coefficients are investigated with five inclined multi-hole test plates of different geometrical configurations. The physical nature and influential factors of discharge coefficients are considered.The results show that the momentum ratio I1 and Renolds mumbers of little holes have important effect on discharge coeffcients but momentum ratio I2 has no influence.Parameters of the geometrical configuration P/D,S/D,α,β and L/D have great influence,but the rows of holes has little effect on discharge coefficients.
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Key words:
- Combustion chambers /
- Cooling /
- Flow coefficients
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