Jaedeok Seo

5 Questions 10 Answers 0 Followers

Questions related from Jaedeok Seo

Does the tip of the ultrasonic horn irregularly vibrate when high power was applied???

We are using a horn-type ultrasonic transducer for cavitation and cleaning purposes. We experimentally found that the cavitation effect and cleaning effectiveness were decreased when input power...

17 November 2021 2,029 1 View

How can I increase the acoustic impedance of the ultrasonic transducer to promote cavitation??

I am using 2 ultrasonic assembly for cleaning purpose and I want to increase cavitation intensity. (1) a ceramic transducer with a diameter of 30 mm and a horn with a end diameter of 8 mm. (2) a...

15 October 2021 8,696 14 View

What is the relationship between the acoustic pressure and the amplitude of ultrasound?

I think if the amplitude is large then the acoustic pressure also high. I have tried to increase the acoustic pressure and use the ultrasonic booster which is known to increase amplitude. But...

26 September 2021 254 7 View

What is an ultrasonic booster??

I am currently using ultrasonic convertors and horn for cleaning perpose. I want to increase cavitation intensity and i found that ultrasonic booster help to increase the intensity. But I still...

15 September 2021 2,471 11 View

Why can't I remove dissolved gas in an NaOCl solution?

I use a vacuum desiccator to remove dissolved gas in a NaOCl solution (2.5wt%) The vacuum pressure is about 2 kPa and I observed the solution start to boiling. However, dissolved gas is still...

17 June 2021 422 6 View