The numerical simulations of the flow field around and aerospike nozzle cell were completed base on N S equations with Second order NND scheme.
从N S方程出发，采用二阶精度的NND格式对塞式喷管的流场进行了数值模拟。
The research on flow field in hydrocyclones is the base of understanding their separation mechanism.
旋流器的流场研究是认识其分离机理的基础。
Currently, determination of compressor blade number is mostly base on experimental formula. The effect of Impeller with different blade number on flow field lacks of quantitative analysis.
目前离心式压缩机叶片数目的确定主要根据经验公式，同一叶轮取不同数目的叶片对叶轮内部流场的影响缺乏定量的分析。
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