Experimental analysis of the Control of turbulent intensity in a square channel by the Turbulent Promoter
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概要
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This paper describes the control of the turbulence intensity in a facility, which is a square channel with air entered passing through turbulence promoters arranged with small circular holes in a grid state on a flat plate. By changing the diameter of the hole and its arrangement, the intensity levels of turbulence were controlled within the range of 15 to 25 percent, which will be used for the investigation of fuel spray characteristics. Almost uniform profiles of mean turbulence intensity and mean velocity in the cross sections were confirmed by the measurements of LDV and PIV. It was also found that the turbulence and velocity profiles in the channel become uniform at short approach distance.
- 一般社団法人日本機械学会の論文
- 2004-03-03