Keeping a motor car clean is essential because of hygiene and sanitary standards, and allows also increasing service effectiveness. Basic problems while washing – large water consumption and dumping into sewage. In the paper there is considered a problem of ultrasonic technologies during washing, in particular for foam preparation. Foam, obtained with ultrasonic treatment, differs by low multiplicity, high stability and a spherical structure of bubbles.
One of the most efficient methods for parts cleaning is an ultrasonic method. During ultrasonic influence on of the most significant factors defining cleaning quality is oscillation amplitude. The paper reports the formulation of the conclusion on the presence in a sound field a high-amplitude radiation formed in liquid by a piston radiator of three (technological) cavitation areas different their effectiveness.
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