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Characterization of a low-speed boundary layer wind tunnel.

机译:低速边界层风洞的特征。

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摘要

The Low-Speed Boundary Layer Wind Tunnel at the University of New Hampshire is to be used for fundamental boundary layer research. To that end, a characterization of the Wind Tunnel is necessary.;Before characterization could begin, the Wind Tunnel had to be rebuilt. A test section was shipped from the University of Maryland. The rebuilding process required improving the material quality of this test section, building a new inlet and turbulence management section, and purchasing a diffuser and fan.;The characterization process consisted of a number of tests. These tests focused not only on the boundary layer but also on the freestream flow and pressure gradient. Results included values for the pressure gradient, boundary layer statistics, power spectra, integral parameters, and evaluations of the freestream turbulence, freestream profiles, and long-term velocity profiles.;From these results it is concluded that, despite some irregularities, most results match well with trends and patterns that have been detailed in the literature.
机译:新罕布什尔大学的低速边界层风洞将用于基础边界层研究。为此,必须对风洞进行表征。在开始表征之前,必须重建风洞。马里兰大学运送了一个测试部分。重建过程需要提高该测试部分的材料质量,建立新的进气道和湍流管理部分,并购买扩散器和风扇。表征过程包括许多测试。这些测试不仅关注边界层,还关注自由流和压力梯度。结果包括压力梯度值,边界层统计数据,功率谱,积分参数,以及对自由流湍流,自由流剖面和长期速度剖面的评估。从这些结果可以得出结论,尽管存在一些不规则之处,但大多数结果与文献中详细描述的趋势和模式非常匹配。

著录项

  • 作者

    Hauptman, Zachary.;

  • 作者单位

    University of New Hampshire.;

  • 授予单位 University of New Hampshire.;
  • 学科 Applied Mechanics.;Engineering Mechanical.
  • 学位 M.S.
  • 年度 2010
  • 页码 95 p.
  • 总页数 95
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

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