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ULTRASONIC HUMIDIFICATION PCB BOARD

ULTRASONIC HUMIDIFICATION PCB BOARD

ULTRASONIC HUMIDIFICATION PCB BOARD Ultrasonic humidification is the leading technology for both energy efficient production of humidification vapour and efficient absorption of the vapour into the air stream. Principles of Ultrasonic Humidification The ultrasonic transducer is a piezo-electric...

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ULTRASONIC HUMIDIFICATION PCB BOARD

Ultrasonic humidification is the leading technology for both energy efficient production of humidification vapour and efficient absorption of the vapour into the air stream.



Principles of Ultrasonic Humidification

The ultrasonic transducer is a piezo-electric crystal immersed in water where it converts high frequency electronic signals into high frequency mechanical oscillations. The water tries to follow the high-frequency oscillating movement of the crystal (1.7 MHz) but cannot. As a result, a momentary vacuum is created on the negative oscillation of the crystal wherein the water cavitates into vapor. Then, on the positive oscillation, high pressure waves force the cavitated water through the surface of the water as a very fine mist (about 1 micron), which is easily absorbed into the air flow.



Energy Efficiency and Droplet Size

Ultrasonic humidifiers use approximately 25 watts of power to produce a pound of steam with one droplet size (1) micron in diameter. An equivalent steam system would use 350 watts to make the same pound with the same droplets.

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