Numerical methods were utilized to investigate the time-dependent flow patterns and the frequency characteristics of unsteady tip clearance flow in an axial-flow low-speed isolated compressor rotor.
利用数值方法研究了某低速轴流孤立压气机转子中非定常叶顶间隙流的流动特征和频率特性。
The method has the advantages of simple process flow, low equipment cost and energy consumption, and no wastewater pollution, and is suitable to be popularized and applied in a large area.
本发明具有工艺流程简单，设备成本和能耗低，且没有废水污染的优点，适合大面积推广和应用。
The preparation method has the advantages of simple preparation flow, low cost, environment friendliness and the like, and is suitable for industrialized application.
本发明具有制备流程简单、成本低、环境友好等优点，适合工业化应用。
The production technology of the catalyst is characterized by short flow, low energy consumption, easy control of technology conditions and low production cost.
本触媒生产工艺流程短，能耗低，工艺条件容易掌握，生产成本低。
KJ271 underground staff positioning system with the features of far transmission distance, high flow, low-power, high-speed identification of mobile identity, fast identification and stability.
KJ271矿用人员定位系统具有传输距离远、大流量、超低功耗、高速识别移动标识物、快速的识别及其稳定的特点。
KJ271 underground staff positioning system with the features of far transmission distance, high flow, low-power, high-speed identification of mobile identity, fast identification and stability.
KJ271矿用人员定位系统具有传输距离远、大流量、超低功耗、高速识别移动标识物、快速的识别及其稳定的特点。
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