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31.
Mingjiang LIU Mingbo SUN Daoning YANG Guoyan ZHAO Tao TANG Bin AN Hongbo WANG 《中国航空学报》2023,36(7):400-411
The mixing and combustion characteristics in a cavity flameholding combustor under inlet Mach number 2.92 are numerically investigated with ethylene injection. Dimensionless distance is defined as the ratio of the actual distance to the height of the combustor entrance. The cavity shear-layer mode, the lifted cavity shear-layer mode, and jet wake mode with upstream separation are observed respectively with dimensionless distance equals to 1.5, 4.5, and 7.5. In both non-reacting and reacting flow... 相似文献
32.
The variable cycle engine is distinguished by its highly adjustable compression system,whose aerodynamic characteristic is extremely complex. To explore the regulation range of a double bypass engine compression system, a multi-dimensional analysis method is developed, through which the coupling mechanism between the compressor component and the bypass is examined.The operation zones of the compressor components and the bypass system are proposed, and the operation range of the compression syste... 相似文献