Atomization experiment of pulsed supersonic liquid jets




<正> This paper will introduce an atomization experiment of pulsed supersonic water jets and polymer polyacrylamide (PAA) (0.1% and 1.0% weight density) solution jets. The jets are generated from a small high-speed liquid jet apparatus. The schlieren photography is applied to visualize the jets. The velocities of the jets are measured by cutting two laser beams. The effects of the nozzle diameter and the standoff distance on atomization and the jet velocity have been examined. The experiment shows that the polymer solution jets are easier to be atomized than water jets. This may be due to low surface tension of the polymer solution. The nozzle diameter causes different shock structures around the supersonic jets.


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Total: 10 articles

  • [1] Hong-Hui Shi;;Kazuyoshi Takayama, Generation of hypersonic liquid fuel jets accompanying self-combustion, Shock Waves,
  • [2] H.-H Shi;K. Takayama;O. Onodera, Experimental study of pulsed high-speed jet, JSME Int J Ser B,
  • [3] P.G. Simpkins;E.L. Bales, Water-drop response to sudden acceleration, J Fluid Mech,
  • [4] H.-H Shi;H. Sato, Comparison between the impact extrusion and cumulation methods in the generation of high-speed liquid jets, Experiments in Fluids (in publication) (,


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