The basic flow patterns and hydraulic characteristics, flow velocity and pressure distribution characteristics, have been investigated on a model of the level rotary flow discharge tunnel.
通过模型试验，研究了水平旋流泄洪洞的基本流态、基本水力特性、流速分布与压强分布特性。
Complex patterns of flue gas and non-uniform temperature distribution along furnace height were taken place due to high jet velocity of bottom burners in the ethylene cracking furnace.
乙烯裂解炉底部燃烧器的燃气射流，使炉内烟气流动复杂，烟气温度分布的均匀性较差。
There are a lot of mode wave patterns near P-wave velocity line in 2-D spectrum, which have dense special distribution and large amplitude when the radial thickness of model well is thicker ;
当模型井的径向厚度较大时，二维谱中纵波速度线附近的模式波类型较多，空间分布较密集，幅度也较大；
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