Piezoceramic Transducers - Electronic Circuits Projects Diagrams Free

konradslepoy · 30th December 2007, 11:46 PM

Hi,
I'm working on a sonoluminescence project for the science fair.I'm just trying to get the setup to work, and get a bubble to glow. To get it to work, I need 3 Piezoceramic transducers (2 drivers, 1 microphone). Does anyone know where I can get these type of transducers, and what type they need to be?

Kon

Hero999 · 30th December 2007, 11:53 PM

That's a very vague question.

What frequency do you require?

Presumable they need to be waterproof?

jpanhalt · 31st December 2007, 12:56 AM

As a sometime science fair judge, let me suggest that you have an experiment planned, not just a demonstration of sonoluminescence. For example, the effect of surfactants on sonoluminescence. John

konradslepoy · 31st December 2007, 03:24 AM

For now I'm only trying for a working apparatus. Later on, I'll add in the variable changes.

konradslepoy · 31st December 2007, 03:25 AM

Quote:

Originally Posted by Hero999

That's a very vague question.

What frequency do you require?

Presumable they need to be waterproof?

No, they don't need to be waterproof. They are outside of the flask. The frequency will be at about 23 kHz for a 125ml flask.

krazatchu · 31st December 2007, 06:04 AM

What range of power will you input?

Michael

Hero999 · 31st December 2007, 02:06 PM

You could use a pizo tweeter at that frequency.

I've descovered that those very cheap copper disc piezo transducers have some ultrasonic resonances. I've measured different modles by connecting one to an oscilloscope and another to the output of a frequency generator. I've found that some have sharp resonances at 33kHz and others at 98kHz which can come in handy if you're after a cheap source of ultrasound.

Another option is to save yourself the bother and use an ultrasonic cleaner.

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30th December 2007, 11:46 PM	(permalink)
konradslepoy	Piezoceramic Transducers Hi, I'm working on a sonoluminescence project for the science fair.I'm just trying to get the setup to work, and get a bubble to glow. To get it to work, I need 3 Piezoceramic transducers (2 drivers, 1 microphone). Does anyone know where I can get these type of transducers, and what type they need to be? Kon

30th December 2007, 11:53 PM	(permalink)
Hero999	That's a very vague question. What frequency do you require? Presumable they need to be waterproof? __________________ I also post at the following sites: http://www.stop-microsoft.org http://www.heated-debates.com Screen name: Aloone_Jonez And http://www.silicontronics.com, same screen name as here.

31st December 2007, 12:56 AM	(permalink)
jpanhalt	As a sometime science fair judge, let me suggest that you have an experiment planned, not just a demonstration of sonoluminescence. For example, the effect of surfactants on sonoluminescence. John

31st December 2007, 03:24 AM	(permalink)
konradslepoy	For now I'm only trying for a working apparatus. Later on, I'll add in the variable changes.

31st December 2007, 06:04 AM	(permalink)
krazatchu	What range of power will you input? Michael

31st December 2007, 02:06 PM	(permalink)
Hero999	You could use a pizo tweeter at that frequency. I've descovered that those very cheap copper disc piezo transducers have some ultrasonic resonances. I've measured different modles by connecting one to an oscilloscope and another to the output of a frequency generator. I've found that some have sharp resonances at 33kHz and others at 98kHz which can come in handy if you're after a cheap source of ultrasound. Another option is to save yourself the bother and use an ultrasonic cleaner. __________________ I also post at the following sites: http://www.stop-microsoft.org http://www.heated-debates.com Screen name: Aloone_Jonez And http://www.silicontronics.com, same screen name as here.