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• 21:56, 2023 November 24 Ttenbergen talk contribs created page Internal:Ultrasonic cleaning (Created page with "=== general === * frequencies between 20 and 40kHz; lower better for large dirty items * transducer stacks are specific to frequency * 40kHz in water has wavelength 3.743cm; 20kHz has 7.485cm [https://www.webconversiononline.com/wave-length-calculator.aspx?frequency=40&scale=khz&medium=water], [https://www.translatorscafe.com/unit-converter/en-US/calculator/sound-frequency-wavelength/] * harmonic response analysis is used to design tank shapes * [https://ntrs.nasa.gov/a...")