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Apparatus for visualization of subsonic air flows in a wind tunnel, especially a closed circuit tunnel
Apparatus for visualization of subsonic air flows in a wind tunnel, especially a closed circuit tunnel
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机译:用于可视化风洞,特别是封闭回路隧道中的亚音速气流的设备
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摘要
The apparatus comprises a source of hot air 15, means 12, 13 to inject hot air at several points of the test section 10 of the tunnel upstream of model M being tested and optical means 19 to detect the disturbed air flow sensitive to densitometric gradients of total flow affecting the model. Single figure. IMAGE
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