Figures index

From

Mathematical Model of Multibubble Cavitation into Sonochemical Reactor

Sergey D. Shestakov

American Journal of Modeling and Optimization. 2014, 2(2), 60-68 doi:10.12691/ajmo-2-2-3
  • Figure 1. (a, b, c) The graphs of pulsation of a single bubble with initial diameter of in water at amplitudes of sound pressure: ••• – 1,25 bar; ••• – 2,5 bar; ••• – 5 bar; ••• – 10 bar with frequency 20 KHz of chemically pure water with atmospheric pressure Ph
  • Figure 2. (a, b, c) The graphs of pulsation of a single bubble with initial diameter: ••• – 1 m; ••• – 10 m; ••• – 100 m with the amplitude of sound pressures in water of 5 bar
  • Figure 3. Graphs changes in time of: ••• – the cavitation bubble radius R; ••• – the pressure at him surface P; ••• – the speed in water on walls of babble C + in the elastic wave with amplitude of the sound pressure of 5 bar and a frequency of 20 KHz
  • Figure 4. Two-dimensional distribution VDPCE in the water in diametrical section of the reactor with top-mounted emitter 350 W in the compression phase occurring in: a). in the near area of cavitation from the transmitter; b). in the remote area of cavitation from the transmitter and c). VDPCE averaged over an infinitely large time
  • Figure 5. The destruction from cavitation the three sources of primary coherent waves of the sample aluminum foil: a). sample foil with traces of erosion; b). mathematical model of the distribution VDPCE in the plane of foil (in the plane antinode of acoustic pressure)
  • Figure 6. General view and schematic diagram of the experimental reactor to study the effect of nonparametric amplification of cavitation: 1 – photomultiplier tube; 2 – hydrophone; 3, 5 – amplifiers; 4, 6 – integrators; 7 – device of strobing; 8 – device of synchronization; 9 – delay line; 10... 15 – ultrasonic generators; 16 – sample foil
  • Figure 7. Cavitational destruction the aluminum foil: a). the erosion of sample foil; b). mathematical model of the distribution VDPCE relative to the plane of the foil
  • Figure 8. Reactor with symmetric vibrational system of the acoustic cell, made in a glass body (а); A mathematical model of the distribution VDPCE (b)
  • Figure 9. The design of the experimental reactor. In the axial sections are shown VDPCE distributions. left - in the first embodiment, on the Right - in the second
  • Figure 10. Experimental stand for practical optimization: 1 - reactor; 2 - dispersant; 3 - mixer; 4 - stabilizer; 5 - throttle; 6 - three-way valve; 7 - throttle; 8 - drain pipe; 9 - mark; 10 - agitator