The wake geometries and aerodynamic interaction characteristics of coaxial-rotor flow fields were investigated. 研究了不同状态下共轴式双旋翼流场的气动干扰特性。
The static pressure gradient in cyclone air classifier can have influence on the test and measurement for its flow fields by five-hole probe. 用五孔探针测试旋流式气力分级机流场时，分级机内存在的静压梯度会对测试产生影响。
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