Effects of Gas Content in Fluid on Oscillating Frequencies of Self-Excited Oscillation Water Jets

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Yiyu Lu, Xiaohong Li

Education Ministry’s Key Lab for the Exploitation of Southwestern Resources & Environmental Disaster Control Engineering, Chongqing University, Chongqing, 400044 P.R. China

Lin Yang

Zhuzhou Institute of Technology, Zhuzhou, Hunan, 412008 P. R. China

J. Fluids Eng 126(6), 1058-1061 (Mar 11, 2005) (4 pages) doi:10.1115/1.1839925 History: Received October 31, 2003; Revised July 07, 2004; Online March 11, 2005

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Grahic Jump Location
Schematic of self-excited oscillation nozzle. 1—upstream nozzle, 2—mixture fluid boundary, 3—oscillation chamber, 4—downstream nozzle, 5—impinging edge
Grahic Jump Location
Variation of dimensionless sound speed a* and Strouhal number Sl with gas content α for the same mode number (n=3) and two pressures (p=10 MPa, 15 MPa)
Grahic Jump Location
The principal frequency of the pressure fluctuations fp versus gas content α



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