A study on a micro mover driven by ultrasonic waves

Correlating the Ultrasonic Thrust force with acoustic streaming Velocity

“…Underwater, Balamuth [6] used the concept of ultrasonic surface vibrations (Lamb wave) to excite a stator, which in turn rotates a rotor so as to produce thrust. Another example is found in the work of Saito et al [7], where they utilize the acoustic radiation force generated from an ultrasonic transducer impinging on a small propeller to transfer energy. Rife et al [8] attached a transducer externally onto a microfluidic, closed-loop chamber designed to pump or mix water, which is akin to microreactors found commercially.…”