Transition to Turbulence and Turbulent Flow in Free Shear Layers with Longitudinal Curvature
Transition to Turbulence and Turbulent Flow in Free Shear Layers with Longitudinal Curvature
批准号:
8815670
负责人:
James Johnston
金额:
$24.75万
依托单位:
依托单位国家:
美国
项目类别:
Continuing Grant
财政年份:
1989
资助国家:
美国
项目状态:
已结题
起止时间:
1989-01-15 至 1992-09-30
中文摘要
在高速流和低速流之间的弯曲混合层, 进行了实验研究。 我们的目标是 综合时间平均湍流数据,以及流量 可视化,探索增强或 减少混合引起的不稳定或稳定曲率。 两 将使用设施;一个相对低雷诺数的水洞, 和更高雷诺数的空气设施。
英文摘要
A curved mixing layer between high and low velocity streams is to beinvestigated experimentally. The objective is the generation ofcomprehensive time-average turbulence data, together with flow visualization, to explore the mechanisms for either enhanced or reduced mixing induced de-stabilizing or stabilizing curvature. Two facilities will be used; a relatively low Reynolds number water tunnel, and a higher reynolds number air facility.
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The Structure and Evolution of Streamwise Vortices by Pitched and Skewed Wall Jets
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批准号:9305943
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项目类别:Continuing Grant
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资助金额:$26.71万
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财政年份:1994
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负责人:James Johnston
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依托单位:
International Travel Grant: To Attend the 2nd InternationalSymposium on Engineering Turbulence Modelling and Measurments, May 31-June 2, 1993, Florence, Italy.
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批准号:9223705
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项目类别:Standard Grant
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资助金额:$0.69万
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财政年份:1993
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负责人:James Johnston
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依托单位:
Structure of Reattaching Turbulent Shear Layers
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批准号:8218140
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项目类别:Continuing Grant
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资助金额:$3.14万
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财政年份:1983
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负责人:James Johnston
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依托单位:
Structure of Reattaching Turbulent Shear Flows
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批准号:8017860
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项目类别:Continuing Grant
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资助金额:$19.56万
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财政年份:1981
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负责人:James Johnston
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依托单位:
Structure of Reattaching Turbulent Shear Layers
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批准号:7802248
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项目类别:Continuing Grant
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资助金额:$10.04万
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财政年份:1978
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负责人:James Johnston
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依托单位:
海外基金