中国计量学院计量测试工程学院;
采用数值模拟的方法研究了尾部喷射对波动来流绕圆柱流动旋涡脱落的抑制,进而研究圆柱尾流控制机理.研究流场的无量纲波频范围为0~2.8,来流波动的无量纲幅值为0.2,雷诺数=200.在圆柱尾部沿圆柱母线开宽度为0.04倍柱体直径的缝隙,从缝隙中射出流体对尾流进行抑制,寻找可有效抑制旋涡脱落的喷射速度范围,进而求出雷诺数=200,无量纲振幅为0.2时有效抑制范围.当喷射速度在一定范围内时,可有效抑制旋涡脱落,并且随着无量纲频率的增大,有效抑制范围逐步减小.
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基本信息:
DOI：
中图分类号:O357.5
引用信息:
[1]程东旭,邵传平.喷射方法对尾流旋涡脱落的抑制[J],2014,25(04):398-403.
基金信息:
国家自然科学基金资助项目(No.10872188)