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Research on the improvement of the quality of the flow field about the DQS-Ⅱ aerodynamics experimental device
Author(s): 
Pages: 25-27
Year: Issue:  1
Journal: Laboratory Science

Keyword:  DQS-Ⅱ空气动力学实验装置五次方曲线收缩段改进;
Abstract: 为改善DQS-Ⅱ型空气动力学实验装置实验段流场品质,在不改变收缩段入、出口几何形状(即不改变收缩比和安装条件)及收缩段长度(即不影响原装置部件相对位置)的前提下,应用五次方曲线只针对其收缩段进行本体改造,并通过实际测试验证了设备改进的成功,即改造后的收缩段可提供更好的流场品质.相关研究成果,对实验用空气动力学装置收缩段的低成本优化改造具有一定的参考价值.
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