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The sort of vessel that is typically used might resemble a beaker of circular cross-section, against the bottom of which is placed the transducer which generate the ultrasound. Such a vessel is shown to the right, along with the two directions from which camera views in this example are going to be taken. |
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For the typical frequency is used in sonochemistry and the typical size of beaker employed, the sound field is not uniform throughout this vessel, but rather displays modes.
Within a cylindrical vessel like this, the modes are typified by rings of high intensity sound when viewed from above, and bands when viewed from the side.
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