Hello Chris and thanks for providing a place for fellow Ultrasonics enthusiasts to share information.
I am relatively new to Ultrasonics, although I have over 30 years of professional experience in audio production and audio acoustics. I have worked with what I thought was some seriously amplified systems, but they really don't compare to the power demands of transducers.
So I have two questions:
1) I recently obtained a Langevin bolt-type transducer and want to design and create a suitable clamp-on type Horn (or Sonotrode) for its 28khz frequency. I am using your calculator to determine the ideal parameters, however I am unclear whether the horn should be [u]hollow[/u] or a [u]solid piece[/u]. My experience with driver-loaded audio horns (ie. Public Address systems) have been open type horn designs, which are designed to throw the acoustic signal a certain distance in space.
My application is to experiment with Ultrasonic water disassociation (cavitation) during electrolyis. The clamp-on type horn would allow a convenient method of coupling to an existing electrolysis system (clamped tube diameter would be 1" in diameter) .
2) My experience with electronics makes be want to build my own power system as it needs to be portable, cost-effective and driven from a 12 volt supply. Any suggestions on what would be required to drive this 70 watt transducer? Any source for such information?
I love to study so any recommendation on books is very welcome!
Regards,
Tom