Fig. 2: The sound field distribution at various cross-sections and stirring speeds. | Nature Communications

Fig. 2: The sound field distribution at various cross-sections and stirring speeds.

From: Catalyst-free partial oxidation of methane under ambient conditions boosted by mechanical stirring-enhanced ultrasonic cavitation

Fig. 2

a–c A schematic simulation of the sound field distribution at various stirring speeds (a 0 rpm, b 300 rpm, c 600 rpm), located at the peaks, nodes, and troughs of the standing wave. The color bar in the legend indicates the sectional sound pressure range, expressed in pascals (Pa). The blue region represents areas of negative sound pressure, whereas the red region corresponds to areas of positive sound pressure.

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